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
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc32e4d5b3cb4507edabc60effb071502cae3ffe05db503ab3c8e6b6123a5ef10. Chain 2 (Bitcoin): anchored in block 953973 (2026-06-16T16:37:07Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/2b00d769-5534-4edd-81ec-94ab5c7accef.json and https://artists.proofprofile.net/proofs/artist/2b00d769-5534-4edd-81ec-94ab5c7accef.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Premier voyage - Extrait du conte musical Martin & les fées
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
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x143b88feb6568f890dc8d707db460780133215de41c0867ff22513a7c8bd90d4. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/FRZ051500336.
La partie de bille - Extrait du conte musical Martin & les fées
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa079662903907bf10a29e17bb8cd0eb3c47a07ac4c66efb9d6f96fb3ede71566. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), 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/FRZ051500338.
La vieille auberge - Extrait du conte musical Martin & les fées
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9f3c4229af363d544a6266d1fa47ed07b07fda39e18afe2d7a934b7521957f6f. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/FRZ051500340.
Une maman soupçonneuse - Extrait du conte musical Martin & les fées
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa720ec9ee98d6184c49d6d5131acac20f387046001427968bda6dd60a554d4d8. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/FRZ051500344.
La vision des fées - Extrait du conte musical Martin & les fées
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf1af1ed6521f4f2d01c0de0e47d5d3b79615419624cf96a2a648a9c89afd81a5. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/FRZ051500345.
Les pouvoirs de Zoulkiff - Extrait du conte musical Martin & les fées
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x22f4365fcb2f5850ccdb5090595b2f3893352832fe9640f117b7c40b0b97dda5. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/FRZ051500348.
L'épouvantail - Extrait du conte musical Martin & les fées
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc4f4b0cf234c089a130f95888f325d33ce10ae30d8693872116468104569ef9c. Chain 2 (Bitcoin): anchored in block 960203 (2026-07-30T03:35:13Z), 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/FRZ051500238.
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
Le vieux réveil - Extrait du conte musical Martin & les fées
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe258eaf91ca1a6716e7b1ba5fa09a8d178512416164fab011b982c6efaa39cc0. Chain 2 (Bitcoin): anchored in block 960321 (2026-07-30T22:27:30Z), 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/FRZ051500332.
Iris - Extrait du conte musical Martin & les fées
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf0bdabc7be78d66dbd4866abfbd05ebf88fae5f729d9f95479a032c78220e49b. Chain 2 (Bitcoin): anchored in block 960344 (2026-07-31T04:14:58Z), 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/FRZ051500333.
Le jeu des amoureux - Extrait du conte musical Martin & les fées
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9d6b9418b18b7b812bcbff18af35fbdf2a2050cc929b129318ffd3f021887290. Chain 2 (Bitcoin): anchored in block 960284 (2026-07-30T17:23:26Z), 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/FRZ051500311.
Premières recherches - Extrait du conte musical Martin & les fées
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x51a24dee7e7ea38e6d5c9cce2550324aadc20f5481aef9950cd9ff0b64fb8391. Chain 2 (Bitcoin): anchored in block 960368 (2026-07-31T08:26:41Z), 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/FRZ051500334.
Quand le miroir réfléchit - Extrait du conte musical Martin & les fées
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x68c8331cc12f7ebd6a820f5fce4df26b0b46f5d307e3727418e46fdc66c1b2cb. Chain 2 (Bitcoin): anchored in block 960285 (2026-07-30T17:26:40Z), 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/FRZ051500337.
Deuxième voyage - Extrait du conte musical Martin & les fées
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4242925930bb72029853016a3d6120b646312a20bd4c98046da06688893e6633. Chain 2 (Bitcoin): anchored in block 960334 (2026-07-31T02:19:15Z), 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/FRZ051500339.
Du soleil à ma vie - Extrait du conte musical Martin & les fées
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x04edfd49c93e6c9d8a6f1380027d89712f556ece364122317b1128c00787172a. Chain 2 (Bitcoin): anchored in block 960321 (2026-07-30T22:27:30Z), 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/FRZ051500318.
Le musée - Extrait du conte musical Martin & les fées
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9779bdb4a62accb6241980f964937e6acbe42480bd2caf3f6c12fe0a70a1d661. Chain 2 (Bitcoin): anchored in block 960376 (2026-07-31T09:09:19Z), 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/FRZ051500341.
Une aide inespérée - Extrait du conte musical Martin & les fées
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1c87d7b7fcdd4c4d79b8a2e18ec71614fbf61b313300e4dc2de564502c617cc8. Chain 2 (Bitcoin): anchored in block 960376 (2026-07-31T09:09:19Z), 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/FRZ051500342.
L'oasis - Extrait du conte musical Martin & les fées
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb31e40cc62e9f58628675b48c322c782005323b3eaecae2f372cb6846912d2e9. Chain 2 (Bitcoin): anchored in block 960397 (2026-07-31T12:24:41Z), 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/FRZ051500347.
Une énigmatique jeune femme blonde - Extrait du conte musical Martin & les fées
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdebc840392449c58a202fc84ecb3a9556450639ab1bef0fcd600e26290070d02. Chain 2 (Bitcoin): anchored in block 960291 (2026-07-30T18:23:33Z), 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/FRZ051500350.