{"success": true, "data": {"conformance_spec_version": "2.2", "conformance_note": "Conformance status reflects Encypher's formal C2PA 2.2 Conformance Program pass for the MIME types where conformance_passed is true. Other formats may be spec-compliant and sign/verify-capable, but are not covered by a formal conformance claim.", "conformance_statement": "Encypher passed the C2PA 2.2 Conformance Program test suite for the 20 MIME types listed in `conformance_passed`. All other formats the API can sign are implemented to the C2PA specification ('spec-compliant') but are not covered by a formal conformance claim.", "verify_note": "Verification is version-agnostic: any readable C2PA manifest is verified regardless of spec version, and the verification report states the spec version it validated under. Spec versions apply to signing only.", "sign_spec_versions_source": "engine", "default_sign_spec": {"media": "2.4", "text": "2.4"}, "counts": {"signable": 86, "verifiable": 81, "conformance_passed": 20, "canonical_formats": 88, "accepted_mime_types": 103, "canonical_signable": 86, "accepted_signable": 97, "canonical_verifiable": 81, "accepted_verifiable": 94}, "accepted_mime_types": {"sign": ["image/jpeg", "image/png", "image/webp", "image/tiff", "image/avif", "image/heic", "image/heif", "image/heic-sequence", "image/heif-sequence", "image/svg+xml", "image/x-adobe-dng", "image/gif", "image/jxl", "audio/wav", "audio/wave", "audio/x-wav", "audio/mpeg", "audio/mp3", "audio/mpa", "audio/mp4", "audio/x-m4a", "audio/aac", "audio/flac", "audio/ogg", "application/ogg", "video/mp4", "video/quicktime", "video/x-msvideo", "video/x-m4v", "video/matroska", "video/x-matroska", "application/mxf", "application/pdf", "application/epub+zip", "application/vnd.openxmlformats-officedocument.wordprocessingml.document", "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet", "application/vnd.openxmlformats-officedocument.presentationml.presentation", "application/vnd.oasis.opendocument.text", "application/oxps", "application/vnd.ms-xpsdocument", "application/x-krita", "image/openraster", "application/vnd.adobe.indesign-idml-package", "application/vnd.google-earth.kmz", "model/3mf", "application/zip", "font/otf", "font/ttf", "application/x-font-ttf", "font/sfnt", "application/font-sfnt", "text/plain", "text/csv", "text/tab-separated-values", "text/html", "text/markdown", "text/xml", "text/css", "application/xml", "application/json", "application/yaml", "application/toml", "application/javascript", "application/xhtml+xml", "image/x-tiff-based", "image/x-riff-based", "video/x-riff-based", "audio/x-riff-based", "video/x-bmff-based", "application/x-zip-based", "applications/x-zip-based", "application/mp4", "application/vnd.apple.keynote", "application/vnd.apple.numbers", "application/vnd.apple.pages", "application/vnd.ms-excel.sheet.binary.macroenabled.12", "application/vnd.ms-excel.sheet.macroenabled.12", "application/vnd.ms-excel.template.macroenabled.12", "application/vnd.ms-powerpoint.presentation.macroenabled.12", "application/vnd.ms-powerpoint.slideshow.macroenabled.12", "application/vnd.ms-powerpoint.template.macroenabled.12", "application/vnd.ms-visio.drawing", "application/vnd.ms-visio.drawing.macroenabled.12", "application/vnd.ms-visio.stencil", "application/vnd.ms-visio.stencil.macroenabled.12", "application/vnd.ms-visio.template", "application/vnd.ms-visio.template.macroenabled.12", "application/vnd.ms-word.document.macroenabled.12", "application/vnd.ms-word.template.macroenabled.12", "application/vnd.oasis.opendocument.graphics", "application/vnd.oasis.opendocument.presentation", "application/vnd.oasis.opendocument.spreadsheet", "application/vnd.openxmlformats-officedocument.presentationml.slideshow", "application/vnd.openxmlformats-officedocument.presentationml.template", "application/vnd.openxmlformats-officedocument.spreadsheetml.template", "application/vnd.openxmlformats-officedocument.wordprocessingml.template", "text/x-python"], "verify": ["image/jpeg", "image/jpg", "image/png", "image/webp", "image/tiff", "image/avif", "image/heic", "image/heif", "image/heic-sequence", "image/heif-sequence", "image/svg+xml", "image/x-adobe-dng", "image/gif", "image/jxl", "audio/wav", "audio/wave", "audio/x-wav", "audio/mpeg", "audio/mp3", "audio/mpa", "audio/mp4", "audio/x-m4a", "audio/m4a", "audio/aac", "audio/flac", "audio/ogg", "video/mp4", "video/quicktime", "video/x-msvideo", "video/avi", "video/msvideo", "video/x-m4v", "video/matroska", "video/x-matroska", "application/mxf", "application/pdf", "application/epub+zip", "application/vnd.openxmlformats-officedocument.wordprocessingml.document", "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet", "application/vnd.openxmlformats-officedocument.presentationml.presentation", "application/vnd.oasis.opendocument.text", "application/oxps", "application/vnd.ms-xpsdocument", "application/x-krita", "image/openraster", "application/vnd.adobe.indesign-idml-package", "application/vnd.google-earth.kmz", "model/3mf", "application/zip", "font/otf", "font/ttf", "application/x-font-ttf", "font/sfnt", "application/font-sfnt", "text/plain", "text/csv", "text/tab-separated-values", "text/html", "text/markdown", "text/xml", "text/css", "application/xml", "application/json", "application/yaml", "application/toml", "application/javascript", "application/xhtml+xml", "application/mp4", "application/vnd.apple.keynote", "application/vnd.apple.numbers", "application/vnd.apple.pages", "application/vnd.ms-excel.sheet.binary.macroenabled.12", "application/vnd.ms-excel.sheet.macroenabled.12", "application/vnd.ms-excel.template.macroenabled.12", "application/vnd.ms-powerpoint.presentation.macroenabled.12", "application/vnd.ms-powerpoint.slideshow.macroenabled.12", "application/vnd.ms-powerpoint.template.macroenabled.12", "application/vnd.ms-visio.drawing", "application/vnd.ms-visio.drawing.macroenabled.12", "application/vnd.ms-visio.stencil", "application/vnd.ms-visio.stencil.macroenabled.12", "application/vnd.ms-visio.template", "application/vnd.ms-visio.template.macroenabled.12", "application/vnd.ms-word.document.macroenabled.12", "application/vnd.ms-word.template.macroenabled.12", "application/vnd.oasis.opendocument.graphics", "application/vnd.oasis.opendocument.presentation", "application/vnd.oasis.opendocument.spreadsheet", "application/vnd.openxmlformats-officedocument.presentationml.slideshow", "application/vnd.openxmlformats-officedocument.presentationml.template", "application/vnd.openxmlformats-officedocument.spreadsheetml.template", "application/vnd.openxmlformats-officedocument.wordprocessingml.template", "audio/webm", "video/webm"]}, "formats": [{"mime": "image/jpeg", "category": "image", "aliases": ["image/jpg"], "can_sign": true, "sign_spec_versions": ["2.2", "2.4"], "can_verify": true, "conformance_passed": true, "conformance_spec_version": "2.2"}, {"mime": "image/png", "category": "image", "aliases": [], "can_sign": true, "sign_spec_versions": ["2.2", "2.4"], "can_verify": true, "conformance_passed": true, "conformance_spec_version": "2.2"}, {"mime": "image/webp", "category": "image", "aliases": [], "can_sign": true, "sign_spec_versions": ["2.2", "2.4"], "can_verify": true, "conformance_passed": true, "conformance_spec_version": "2.2"}, {"mime": "image/tiff", "category": "image", "aliases": [], "can_sign": true, "sign_spec_versions": ["2.2", "2.4"], "can_verify": true, "conformance_passed": true, "conformance_spec_version": "2.2"}, {"mime": "image/avif", "category": "image", "aliases": [], "can_sign": true, "sign_spec_versions": ["2.2", "2.4"], "can_verify": true, "conformance_passed": true, "conformance_spec_version": "2.2"}, {"mime": "image/heic", "category": "image", "aliases": [], "can_sign": true, "sign_spec_versions": ["2.2", "2.4"], "can_verify": true, "conformance_passed": true, "conformance_spec_version": "2.2"}, {"mime": "image/heif", "category": "image", "aliases": [], "can_sign": true, "sign_spec_versions": ["2.2", "2.4"], "can_verify": true, "conformance_passed": true, "conformance_spec_version": "2.2"}, {"mime": "image/heic-sequence", "category": "image", "aliases": [], "can_sign": true, "sign_spec_versions": ["2.2", "2.4"], "can_verify": true, "conformance_passed": false, "conformance_spec_version": null}, {"mime": "image/heif-sequence", "category": "image", "aliases": [], "can_sign": true, "sign_spec_versions": ["2.2", "2.4"], "can_verify": true, "conformance_passed": false, "conformance_spec_version": null}, {"mime": "image/svg+xml", "category": "image", "aliases": [], "can_sign": true, "sign_spec_versions": ["2.2", "2.4"], "can_verify": true, "conformance_passed": true, "conformance_spec_version": "2.2"}, {"mime": "image/x-adobe-dng", "category": "image", "aliases": [], "can_sign": true, "sign_spec_versions": ["2.2", "2.4"], "can_verify": true, "conformance_passed": true, "conformance_spec_version": "2.2"}, {"mime": "image/gif", "category": "image", "aliases": [], "can_sign": true, "sign_spec_versions": ["2.2", "2.4"], "can_verify": true, "conformance_passed": true, "conformance_spec_version": "2.2"}, {"mime": "image/jxl", "category": "image", "aliases": [], "can_sign": true, "sign_spec_versions": ["2.2", "2.4"], "can_verify": true, "conformance_passed": true, "conformance_spec_version": "2.2"}, {"mime": "audio/wav", "category": "audio", "aliases": ["audio/wave", "audio/x-wav"], "can_sign": true, "sign_spec_versions": ["2.2", "2.4"], "can_verify": true, "conformance_passed": true, "conformance_spec_version": "2.2"}, {"mime": "audio/mpeg", "category": "audio", "aliases": ["audio/mp3", "audio/mpa"], "can_sign": true, "sign_spec_versions": ["2.2", "2.4"], "can_verify": true, "conformance_passed": true, "conformance_spec_version": "2.2"}, {"mime": "audio/mp4", "category": "audio", "aliases": ["audio/x-m4a", "audio/m4a"], "can_sign": true, "sign_spec_versions": ["2.2", "2.4"], "can_verify": true, "conformance_passed": true, "conformance_spec_version": "2.2"}, {"mime": "audio/aac", "category": "audio", "aliases": [], "can_sign": true, "sign_spec_versions": [], "can_verify": true, "conformance_passed": true, "conformance_spec_version": "2.2"}, {"mime": "audio/flac", "category": "audio", "aliases": [], "can_sign": true, "sign_spec_versions": ["2.2", "2.4"], "can_verify": true, "conformance_passed": false, "conformance_spec_version": null}, {"mime": "audio/ogg", "category": "audio", "aliases": ["application/ogg"], "can_sign": true, "sign_spec_versions": ["2.4"], "can_verify": true, "conformance_passed": false, "conformance_spec_version": null}, {"mime": "video/mp4", "category": "video", "aliases": [], "can_sign": true, "sign_spec_versions": ["2.2", "2.4"], "can_verify": true, "conformance_passed": true, "conformance_spec_version": "2.2"}, {"mime": "video/quicktime", "category": "video", "aliases": [], "can_sign": true, "sign_spec_versions": ["2.2", "2.4"], "can_verify": true, "conformance_passed": true, "conformance_spec_version": "2.2"}, {"mime": "video/x-msvideo", "category": "video", "aliases": ["video/avi", "video/msvideo"], "can_sign": true, "sign_spec_versions": ["2.2", "2.4"], "can_verify": true, "conformance_passed": true, "conformance_spec_version": "2.2"}, {"mime": "video/x-m4v", "category": "video", "aliases": [], "can_sign": true, "sign_spec_versions": ["2.2", "2.4"], "can_verify": true, "conformance_passed": false, "conformance_spec_version": null}, {"mime": "video/matroska", "category": "video", "aliases": ["video/x-matroska"], "can_sign": true, "sign_spec_versions": [], 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"application/vnd.openxmlformats-officedocument.spreadsheetml.sheet", "category": "document", "aliases": [], "can_sign": true, "sign_spec_versions": ["2.2", "2.4"], "can_verify": true, "conformance_passed": false, "conformance_spec_version": null}, {"mime": "application/vnd.openxmlformats-officedocument.presentationml.presentation", "category": "document", "aliases": [], "can_sign": true, "sign_spec_versions": ["2.2", "2.4"], "can_verify": true, "conformance_passed": false, "conformance_spec_version": null}, {"mime": "application/vnd.oasis.opendocument.text", "category": "document", "aliases": [], "can_sign": true, "sign_spec_versions": ["2.2", "2.4"], "can_verify": true, "conformance_passed": false, "conformance_spec_version": null}, {"mime": "application/oxps", "category": "document", "aliases": ["application/vnd.ms-xpsdocument"], "can_sign": true, "sign_spec_versions": ["2.2", "2.4"], "can_verify": true, "conformance_passed": false, "conformance_spec_version": null}, {"mime": "application/x-krita", "category": "document", "aliases": [], "can_sign": true, "sign_spec_versions": ["2.4"], "can_verify": true, "conformance_passed": false, "conformance_spec_version": null}, {"mime": "image/openraster", "category": "document", "aliases": [], "can_sign": true, "sign_spec_versions": ["2.4"], "can_verify": true, "conformance_passed": false, "conformance_spec_version": null}, {"mime": "application/vnd.adobe.indesign-idml-package", "category": "document", "aliases": [], "can_sign": true, "sign_spec_versions": ["2.4"], "can_verify": true, "conformance_passed": false, "conformance_spec_version": null}, {"mime": "application/vnd.google-earth.kmz", "category": "document", "aliases": [], "can_sign": true, "sign_spec_versions": ["2.4"], "can_verify": true, "conformance_passed": false, "conformance_spec_version": null}, {"mime": "model/3mf", "category": "document", "aliases": [], "can_sign": true, "sign_spec_versions": ["2.4"], "can_verify": true, "conformance_passed": false, "conformance_spec_version": null}, {"mime": "application/zip", "category": "document", "aliases": [], "can_sign": true, "sign_spec_versions": ["2.2", "2.4"], "can_verify": true, "conformance_passed": false, "conformance_spec_version": null}, {"mime": "font/otf", "category": "font", "aliases": [], "can_sign": true, "sign_spec_versions": ["2.2", "2.4"], "can_verify": true, "conformance_passed": false, "conformance_spec_version": null}, {"mime": "font/ttf", "category": "font", "aliases": ["application/x-font-ttf"], "can_sign": true, "sign_spec_versions": ["2.2", "2.4"], "can_verify": true, "conformance_passed": false, "conformance_spec_version": null}, {"mime": "font/sfnt", "category": "font", "aliases": ["application/font-sfnt"], "can_sign": true, "sign_spec_versions": ["2.2", "2.4"], "can_verify": true, "conformance_passed": false, "conformance_spec_version": null}, {"mime": "text/plain", "category": "text", "aliases": [], "can_sign": true, "sign_spec_versions": ["2.4"], "can_verify": true, "conformance_passed": false, "conformance_spec_version": null}, {"mime": "text/csv", "category": "text", "aliases": [], "can_sign": true, "sign_spec_versions": ["2.4"], "can_verify": true, "conformance_passed": false, "conformance_spec_version": null}, {"mime": "text/tab-separated-values", "category": "text", "aliases": [], "can_sign": true, "sign_spec_versions": ["2.4"], "can_verify": true, "conformance_passed": false, "conformance_spec_version": null}, {"mime": "text/html", "category": "text", "aliases": [], "can_sign": true, "sign_spec_versions": ["2.4"], "can_verify": true, "conformance_passed": false, "conformance_spec_version": null}, {"mime": "text/markdown", "category": "text", "aliases": [], "can_sign": true, "sign_spec_versions": ["2.4"], "can_verify": true, "conformance_passed": false, "conformance_spec_version": null}, {"mime": "text/xml", "category": "text", "aliases": [], "can_sign": true, "sign_spec_versions": ["2.4"], "can_verify": true, "conformance_passed": false, "conformance_spec_version": null}, {"mime": "text/css", "category": "text", "aliases": [], "can_sign": true, "sign_spec_versions": ["2.4"], "can_verify": true, "conformance_passed": false, "conformance_spec_version": null}, {"mime": "application/xml", "category": "text", "aliases": [], "can_sign": true, "sign_spec_versions": ["2.4"], "can_verify": true, "conformance_passed": false, "conformance_spec_version": null}, {"mime": "application/json", "category": "text", "aliases": [], "can_sign": true, "sign_spec_versions": ["2.4"], "can_verify": true, "conformance_passed": false, "conformance_spec_version": null}, {"mime": "application/yaml", "category": "text", "aliases": [], "can_sign": true, "sign_spec_versions": ["2.4"], "can_verify": true, "conformance_passed": false, "conformance_spec_version": null}, {"mime": "application/toml", "category": "text", "aliases": [], "can_sign": true, "sign_spec_versions": ["2.4"], "can_verify": true, "conformance_passed": false, "conformance_spec_version": null}, {"mime": "application/javascript", "category": "text", "aliases": [], "can_sign": true, "sign_spec_versions": ["2.4"], "can_verify": true, "conformance_passed": false, "conformance_spec_version": null}, {"mime": "application/xhtml+xml", "category": "text", "aliases": [], "can_sign": true, "sign_spec_versions": ["2.4"], "can_verify": true, "conformance_passed": false, "conformance_spec_version": null}, {"mime": "image/x-tiff-based", "category": "image", "aliases": [], "can_sign": true, "sign_spec_versions": ["2.2", "2.4"], "can_verify": false, "conformance_passed": false, "conformance_spec_version": null}, {"mime": "image/x-riff-based", "category": "image", "aliases": [], "can_sign": true, "sign_spec_versions": ["2.2", "2.4"], "can_verify": false, "conformance_passed": false, "conformance_spec_version": null}, {"mime": "video/x-riff-based", "category": "video", "aliases": [], "can_sign": true, "sign_spec_versions": ["2.2", "2.4"], "can_verify": false, "conformance_passed": false, "conformance_spec_version": null}, {"mime": "audio/x-riff-based", "category": "audio", "aliases": [], "can_sign": true, "sign_spec_versions": ["2.2", "2.4"], "can_verify": false, "conformance_passed": false, "conformance_spec_version": null}, {"mime": "video/x-bmff-based", "category": "video", "aliases": [], "can_sign": true, "sign_spec_versions": ["2.2", "2.4"], "can_verify": false, "conformance_passed": false, "conformance_spec_version": null}, {"mime": "application/x-zip-based", "category": "document", "aliases": ["applications/x-zip-based"], "can_sign": true, "sign_spec_versions": ["2.2", "2.4"], "can_verify": false, "conformance_passed": false, "conformance_spec_version": null}, {"mime": "application/mp4", "category": "video", "aliases": [], "can_sign": true, "sign_spec_versions": ["2.2", "2.4"], "can_verify": true, "conformance_passed": false, "conformance_spec_version": null}, {"mime": "application/vnd.apple.keynote", "category": "document", "aliases": [], "can_sign": true, "sign_spec_versions": ["2.4"], "can_verify": true, "conformance_passed": false, "conformance_spec_version": null}, {"mime": "application/vnd.apple.numbers", "category": "document", "aliases": [], "can_sign": true, "sign_spec_versions": ["2.4"], "can_verify": true, "conformance_passed": false, "conformance_spec_version": null}, {"mime": "application/vnd.apple.pages", "category": "document", "aliases": [], "can_sign": true, "sign_spec_versions": ["2.4"], "can_verify": true, "conformance_passed": false, "conformance_spec_version": null}, {"mime": "application/vnd.ms-excel.sheet.binary.macroenabled.12", "category": "document", "aliases": [], "can_sign": true, "sign_spec_versions": ["2.2", "2.4"], "can_verify": true, "conformance_passed": false, "conformance_spec_version": null}, {"mime": "application/vnd.ms-excel.sheet.macroenabled.12", "category": "document", "aliases": [], "can_sign": true, "sign_spec_versions": ["2.2", "2.4"], "can_verify": true, "conformance_passed": false, "conformance_spec_version": null}, {"mime": "application/vnd.ms-excel.template.macroenabled.12", "category": "document", "aliases": [], "can_sign": true, "sign_spec_versions": ["2.2", "2.4"], "can_verify": true, "conformance_passed": false, "conformance_spec_version": null}, {"mime": "application/vnd.ms-powerpoint.presentation.macroenabled.12", "category": "document", "aliases": [], "can_sign": true, "sign_spec_versions": ["2.2", "2.4"], "can_verify": true, "conformance_passed": false, "conformance_spec_version": null}, {"mime": "application/vnd.ms-powerpoint.slideshow.macroenabled.12", "category": "document", "aliases": [], "can_sign": true, "sign_spec_versions": ["2.2", "2.4"], "can_verify": true, "conformance_passed": false, "conformance_spec_version": null}, {"mime": "application/vnd.ms-powerpoint.template.macroenabled.12", "category": "document", "aliases": [], "can_sign": true, "sign_spec_versions": ["2.2", "2.4"], "can_verify": true, "conformance_passed": false, "conformance_spec_version": null}, {"mime": "application/vnd.ms-visio.drawing", "category": "document", "aliases": [], "can_sign": true, "sign_spec_versions": ["2.2", "2.4"], "can_verify": true, "conformance_passed": false, "conformance_spec_version": null}, {"mime": "application/vnd.ms-visio.drawing.macroenabled.12", "category": "document", "aliases": [], "can_sign": true, "sign_spec_versions": ["2.2", "2.4"], "can_verify": true, "conformance_passed": false, "conformance_spec_version": null}, {"mime": "application/vnd.ms-visio.stencil", "category": "document", "aliases": [], "can_sign": true, "sign_spec_versions": ["2.2", "2.4"], "can_verify": true, "conformance_passed": false, "conformance_spec_version": null}, {"mime": "application/vnd.ms-visio.stencil.macroenabled.12", "category": "document", "aliases": [], "can_sign": true, "sign_spec_versions": ["2.2", "2.4"], "can_verify": true, "conformance_passed": false, "conformance_spec_version": null}, {"mime": 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"category": "document", "aliases": [], "can_sign": true, "sign_spec_versions": ["2.2", "2.4"], "can_verify": true, "conformance_passed": false, "conformance_spec_version": null}, {"mime": "application/vnd.oasis.opendocument.presentation", "category": "document", "aliases": [], "can_sign": true, "sign_spec_versions": ["2.2", "2.4"], "can_verify": true, "conformance_passed": false, "conformance_spec_version": null}, {"mime": "application/vnd.oasis.opendocument.spreadsheet", "category": "document", "aliases": [], "can_sign": true, "sign_spec_versions": ["2.2", "2.4"], "can_verify": true, "conformance_passed": false, "conformance_spec_version": null}, {"mime": "application/vnd.openxmlformats-officedocument.presentationml.slideshow", "category": "document", "aliases": [], "can_sign": true, "sign_spec_versions": ["2.2", "2.4"], "can_verify": true, "conformance_passed": false, "conformance_spec_version": null}, {"mime": "application/vnd.openxmlformats-officedocument.presentationml.template", "category": "document", "aliases": [], "can_sign": true, "sign_spec_versions": ["2.2", "2.4"], "can_verify": true, "conformance_passed": false, "conformance_spec_version": null}, {"mime": "application/vnd.openxmlformats-officedocument.spreadsheetml.template", "category": "document", "aliases": [], "can_sign": true, "sign_spec_versions": ["2.2", "2.4"], "can_verify": true, "conformance_passed": false, "conformance_spec_version": null}, {"mime": "application/vnd.openxmlformats-officedocument.wordprocessingml.template", "category": "document", "aliases": [], "can_sign": true, "sign_spec_versions": ["2.2", "2.4"], "can_verify": true, "conformance_passed": false, "conformance_spec_version": null}, {"mime": "audio/webm", "category": "audio", "aliases": [], "can_sign": false, "sign_spec_versions": [], "can_verify": true, "conformance_passed": false, "conformance_spec_version": null}, {"mime": "text/x-python", "category": "text", "aliases": [], "can_sign": true, "sign_spec_versions": ["2.4"], "can_verify": false, "conformance_passed": false, "conformance_spec_version": null}, {"mime": "video/webm", "category": "video", "aliases": [], "can_sign": false, "sign_spec_versions": [], "can_verify": true, "conformance_passed": false, "conformance_spec_version": null}], "declarations": {"conformance_program": "0.2", "declaration_note": "Declaration availability is derived from the engine at runtime: a carrier is reported available only when the Rust code path backing it is present in the loaded engine. Availability is a capability statement, not a formal C2PA conformance claim - see GET /capabilities/c2pa-conformance for the formal pass-list.", "engine_available": true, "spec_versions": ["2.2", "2.4"], "carriers": {"embedded_media": [{"carrier": "embedded_media", "declaration": "image/x-tiff-based", "aliases": [], "container_family": "tiff", "available": true, "spec_versions": ["2.2", "2.4"], "operations": ["sign_declared_media", "verify_declared_media"], "compressed_manifest_generation": []}, {"carrier": "embedded_media", "declaration": "image/x-riff-based", "aliases": [], "container_family": "riff", "available": true, "spec_versions": ["2.2", "2.4"], "operations": ["sign_declared_media", "verify_declared_media"], "compressed_manifest_generation": []}, {"carrier": "embedded_media", "declaration": "video/x-riff-based", "aliases": [], "container_family": "riff", "available": true, "spec_versions": ["2.2", "2.4"], "operations": ["sign_declared_media", "verify_declared_media"], "compressed_manifest_generation": []}, {"carrier": "embedded_media", "declaration": "audio/x-riff-based", "aliases": [], "container_family": "riff", "available": true, "spec_versions": ["2.2", "2.4"], "operations": ["sign_declared_media", "verify_declared_media"], "compressed_manifest_generation": []}, {"carrier": "embedded_media", "declaration": "video/x-bmff-based", "aliases": [], "container_family": "bmff", "available": true, "spec_versions": ["2.2", "2.4"], "operations": ["sign_declared_media", "verify_declared_media"], "compressed_manifest_generation": []}, {"carrier": "embedded_media", "declaration": "application/x-zip-based", "aliases": ["application/zip", "applications/x-zip-based"], "container_family": "zip", "available": true, "spec_versions": ["2.2", "2.4"], "operations": ["sign_declared_media", "verify_declared_media"], "compressed_manifest_generation": ["2.2", "2.4"]}], "detached_model": [{"carrier": "detached_model", "declaration": "jax", "available": true, "spec_versions": ["2.2", "2.4"], "canonical_single_file": false, "canonical_collection": true, "operations": ["sign_detached", "verify_detached", "sign_detached_collection", "verify_detached_collection"], "manifest_disposition": "detached"}, {"carrier": "detached_model", "declaration": "keras", "available": true, "spec_versions": ["2.2", "2.4"], "canonical_single_file": true, "canonical_collection": false, "operations": ["sign_detached", "verify_detached", "sign_detached_collection", "verify_detached_collection"], "manifest_disposition": "detached"}, {"carrier": "detached_model", "declaration": "ml_net", "available": true, "spec_versions": ["2.2", "2.4"], "canonical_single_file": true, "canonical_collection": false, "operations": ["sign_detached", "verify_detached", "sign_detached_collection", "verify_detached_collection"], "manifest_disposition": "detached"}, {"carrier": "detached_model", "declaration": "mxnet", "available": true, "spec_versions": ["2.2", "2.4"], "canonical_single_file": false, "canonical_collection": true, "operations": ["sign_detached", "verify_detached", "sign_detached_collection", "verify_detached_collection"], "manifest_disposition": "detached"}, {"carrier": "detached_model", "declaration": "onnx", "available": true, "spec_versions": ["2.2", "2.4"], "canonical_single_file": true, "canonical_collection": false, "operations": ["sign_detached", "verify_detached", "sign_detached_collection", "verify_detached_collection"], "manifest_disposition": "detached"}, {"carrier": "detached_model", "declaration": "openvivo.parameter", "available": true, "spec_versions": ["2.2", "2.4"], "canonical_single_file": true, "canonical_collection": false, "operations": ["sign_detached", "verify_detached", "sign_detached_collection", "verify_detached_collection"], "manifest_disposition": "detached"}, {"carrier": "detached_model", "declaration": "openvivo.topology", "available": true, "spec_versions": ["2.2", "2.4"], "canonical_single_file": true, "canonical_collection": false, "operations": ["sign_detached", "verify_detached", "sign_detached_collection", "verify_detached_collection"], "manifest_disposition": "detached"}, {"carrier": "detached_model", "declaration": "pytorch", "available": true, "spec_versions": ["2.2", "2.4"], "canonical_single_file": true, "canonical_collection": false, "operations": ["sign_detached", "verify_detached", "sign_detached_collection", "verify_detached_collection"], "manifest_disposition": "detached"}, {"carrier": "detached_model", "declaration": "tensorflow", "available": true, "spec_versions": ["2.2", "2.4"], "canonical_single_file": false, "canonical_collection": true, "operations": ["sign_detached", "verify_detached", "sign_detached_collection", "verify_detached_collection"], "manifest_disposition": "detached"}, {"carrier": "detached_model", "declaration": "numpy", "available": true, "spec_versions": ["2.2", "2.4"], "canonical_single_file": true, "canonical_collection": false, "operations": ["sign_detached", "verify_detached", "sign_detached_collection", "verify_detached_collection"], "manifest_disposition": "detached"}, {"carrier": "detached_model", "declaration": "protobuf", "available": true, "spec_versions": ["2.2", "2.4"], "canonical_single_file": true, "canonical_collection": false, "operations": ["sign_detached", "verify_detached", "sign_detached_collection", "verify_detached_collection"], "manifest_disposition": "detached"}, {"carrier": "detached_model", "declaration": "pickle", "available": true, "spec_versions": ["2.2", "2.4"], "canonical_single_file": true, "canonical_collection": false, "operations": ["sign_detached", "verify_detached", "sign_detached_collection", "verify_detached_collection"], "manifest_disposition": "detached"}, {"carrier": "detached_model", "declaration": "savedmodel", "available": true, "spec_versions": ["2.2", "2.4"], "canonical_single_file": false, "canonical_collection": true, "operations": ["sign_detached", "verify_detached", "sign_detached_collection", "verify_detached_collection"], "manifest_disposition": "detached"}], "live_stream": [{"carrier": "live_stream", "declaration": "fMP4:verifiable-segment-info", "encapsulation": "fMP4", "method": "verifiable-segment-info", "available": true, "spec_versions": ["2.4"], "operations": ["sign_stream", "verify_stream"], "manifest_disposition": "embedded_init_segment"}, {"carrier": "live_stream", "declaration": "fMP4:per-segment", "encapsulation": "fMP4", "method": "per-segment", "available": true, "spec_versions": ["2.4"], "operations": ["sign_stream", "verify_stream"], "manifest_disposition": "embedded_per_segment"}, {"carrier": "live_stream", "declaration": "CMAF:verifiable-segment-info", "encapsulation": "CMAF", "method": "verifiable-segment-info", "available": true, "spec_versions": ["2.4"], "operations": ["sign_stream", "verify_stream"], "manifest_disposition": "embedded_init_segment"}, {"carrier": "live_stream", "declaration": "CMAF:per-segment", "encapsulation": "CMAF", "method": "per-segment", "available": true, "spec_versions": ["2.4"], "operations": ["sign_stream", "verify_stream"], "manifest_disposition": "embedded_per_segment"}]}, "compressed_manifests": {"generation": {"application/x-zip-based": ["2.2", "2.4"]}, "generation_supported": true, "validation_supported": true, "validation_note": "Compressed (c2cm/brob) manifest stores are expanded automatically on every verify path; a malformed or oversized Brotli payload fails closed.", "interoperability_note": "An independent reader locates and structurally parses the compressed store correctly. Whether a given third-party verifier implements brob decompression is unverified, so confirm the receiving verifier reads c2cm/brob before emitting compressed manifests to it."}, "counts": {"generic_containers": 6, "generic_containers_available": 6, "ml_model_formats": 13, "ml_model_formats_available": 13, "live_stream_methods": 4, "live_stream_methods_available": 4}}}, "meta": {"api_version": "v1", "processing_time_ms": 9, "status": "ok", "correlation_id": "req-b0af49ec0096"}, "correlation_id": "req-b0af49ec0096"}