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 0xb7c35272084fd649791ed554cb642e083c98e94f87345b498bb5feeb67ea0d5d. Chain 2 (Bitcoin): anchored in block 953407 (2026-06-12T19:24:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/ea20d3cf-da9b-4319-85af-5f0f5f536018.json and https://artists.proofprofile.net/proofs/artist/ea20d3cf-da9b-4319-85af-5f0f5f536018.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
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 0xd0a23fddf4242363dfffa5ae1d0cc18611ddb5b20db1a84451ccb5e4d1473869. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/CA5KR2466769.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb3d1b6a30096e34333c37455f225c65dbd55b26c1d8681c56fb9375bb7ad4382. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/CA5KR2432692.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4eabef167ac1fa5132c1c92beba77e92957593725cdc1ec869e24f80cd54fb79. Chain 2 (Bitcoin): anchored in block 959103 (2026-07-22T08:19:52Z), 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/GBWUL2375229.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2d71e8e223899fdc1c47ba962349ab8e2f0f77de15ecb81ac5ddfdd10dc48783. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), 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/CA6D22200373.
Subliminal (Even the Ghosts are Laughing)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcd0093c215d207850172d50597861b0a48aa247a428738f5b4daa05c95692ec1. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), 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/CA6D22200278.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xecc03fa610b669622378f9123e555575cad0ee67ae36fcc3c881599dae1b2cc3. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/USA2P2025925.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x89ecba39ceb350e5da1a5b973948563c3a2e5b007a2dc49676b6f1f0f2d05b57. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/CA6D22000475.
Saviour feat. CRaymak and Tasha Baxter (CRaymak VIP Remix feat. Kaleidoscope Orchestra)
Saviour - CRaymak VIP Remix feat. Kaleidoscope Orchestra
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x256f4fa899560942b7680e85bfc021469c89a9feee3ae4ae258b6917fc79b607. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/GBUM92000031.
Something To Believe In (CRaymak x Fransis Derelle Remix)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4ffd72f130f756e7473e8f9ba3c5711f2f7fcd3a75846c05b84367de290c6f64. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/QZTGW2404432.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2180cda65de0f300a37ef3461c11f0e4de8625e7bdcd4f84cbeb9478d623309f. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), 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/QZTGW2404206.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc756536a968aa8aee43c03ec0b4b419b674899be33ffdad1af8df58aacf3f91c. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), 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/QZTGW2403302.
The Nights feat. Green Light Go x Karate Kactus
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0e4e17399c6bf0639a06c507967ae82efdce20433f80bb25415eb41d8ab54349. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/GBUM91900104.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe7ec1b3aed15c1f3911d4535528acf57ba30d78176e7983f4d3135b62fecdd23. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/CAAUN1700011.