1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 5. GET OTSVerificationAPI → pre-computed 6-check result from server 6. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc656157d67f08fe1bdf2c2c9e04cec971118303b2b13a78e34ba1552b110d91a. Chain 2 (Bitcoin): anchored in block 953697 (2026-06-14T21:49:28Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/6cbc5ac2-bb5f-495b-8cd5-9e2e54c4b2f0.json and https://artists.proofprofile.net/proofs/artist/6cbc5ac2-bb5f-495b-8cd5-9e2e54c4b2f0.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
De l'autre côté du lit (Bande originale du film)
Hideaways Original Motion Picture Soundtrack
Flight of the Storks (Original Television Soundtrack)
Le Vol des Cicognes (Bande Originale du Film)
Dignity (Original Television Soundtrack)
The Attack (Original Motion Picture Soundtrack)
Un village français (Bande originale de la série)
1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3626cb91d9bf590f842e967bdc712e33c0ead7dd2fb49c3eea1aef69599f38d5. Chain 2 (Bitcoin): anchored in block 959087 (2026-07-22T02:05:55Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR9W11312308.
Il était une forêt (Bande originale du film)
Das Geheimnis der Bäume (Original Motion Picture Soundtrack)
De guerre lasse (Bande originale du film)
La voie de l'ennemi (Bande originale du film)
Les vacances du Petit Nicolas (Bande originale du film)
Borgia Season 3 (Original Soundtrack from the TV Series)
La dernière leçon (Bande originale du film)
Cézanne et moi (Bande originale du film)
Richard the Stork (Original Motion Picture Soundtrack)
Zombillénium (Original Motion Picture Soundtrack)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9d74fdd6fdb3b651fe629471c8862655f6507f0f7b395949912265120270f0ec. Chain 2 (Bitcoin): anchored in block 956772 (2026-07-05T10:01:46Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRIDO1710000.
The Insult (Original Motion Picture Soundtrack)
Qu'un sang impur... (Bande originale du film)
Inhuman Resources (Original TV Soundtrack)
Faux-Semblants (Bande originale du téléfilm)
The Illegal (Original Motion Picture Soundtrack)
Sentinelles (Bande originale de la série)
Visions (Bande originale de la série télévisée)
Dark Hearts (Original Score from the TV Series)
Cœurs Noirs (Bande originale de la série)
Überflieger Das Geheimnis Des Grossen Juwels (Original Soundtrack)
Les Aventures de Ricky : À la poursuite du joyau (Bande originale du film)
Richard Storken : Og Den Mystiske Juvelen (Original Soundtrack)
Infiltré(e) (Bande originale de la série)
La recrue (Bande originale de la série télévisée)
Sentinelles Ukraine (Bande originale de la série)
Cœurs Noirs (Bande originale de la saison 2)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2d63d9a058c59d44081841aebf0cef042ea1661d3684860bdff9a20b9085e213. Chain 2 (Bitcoin): anchored in block 958436 (2026-07-17T16:42:22Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRIDO2599090.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6e9e165de7134960e86968edc24fee3d041ff627542e27974b8e41783901e52f. Chain 2 (Bitcoin): anchored in block 956772 (2026-07-05T10:01:46Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRIDO2599480.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcf557fa3fdeac7448c08b899ea46ffa78dc231c0effa9a05bf152d13a9b16c28. Chain 2 (Bitcoin): anchored in block 958850 (2026-07-20T08:32:30Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRIDO2599484.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd043bb01d1076b749aa629c60d4a0f9eec19a933ef7753bf9cf186c0e13186d7. Chain 2 (Bitcoin): anchored in block 958194 (2026-07-15T20:32:27Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRIDO2599489.