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 0xa4f77752568c015d6eae194612850b90fd81338cd3a076547db20fc6de0f9700. Chain 2 (Bitcoin): anchored in block 953423 (2026-06-12T21:20:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/da45e09e-3af3-41b3-878a-955c1d95d50a.json and https://artists.proofprofile.net/proofs/artist/da45e09e-3af3-41b3-878a-955c1d95d50a.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
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1e0bfdd2058fd6171527f5fb2e73b0b05395834f9f1e2a667aadf0840d939aa0. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), 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/NLZ542100726.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x42cbc3f1392b05ae6951a42d07bc2beaf0d65513642140ffd623857808c0d07b. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), 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/DES232200250.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4236d1c3bf4cae30fdd81e8cd8e0311af056b06522f5216535429f65f278d19f. 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/DES232200251.
Familiar Strangers (feat. Rothwell) [Antoine Delvig & Jack Wins Club Mix]
Familiar Strangers (feat. Rothwell) - Antoine Delvig & Jack Wins Club Mix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8efcde28b5b598ef5441cb05091d1a1bb1d4247dcc310761e2f2b42436ae73ef. 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/NLZ541901960.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe8612d5a908d6cdd4a43248988c2c2d40942635675200c94391ab0cc94c4f49f. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), 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/GBUM71800322.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x71c222a8c6899f0e0c606064fd6ae2583652eaf256199793f3fbb9ee1781d8ec. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), 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/GBUM71703997.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5543fb4e4103ed0631c40847aa58e9752eb477b143fa7680450c651eea035487. 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/USQX92103684.
Years & Years - Jack Wins Remix [Radio Edit]
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x58368dbb7664a5f17722539dc54fe88350742e6b78fb6f4cbee6174d9050b7de. 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/GBARL1601903.
Years & Years (Jack Wins Remix) [Club Edit]
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7f0eb7b5cca2851c957739dab3c3a0bd4394fccc8d08110736a5d4064a1e0d42. 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/GBARL1601904.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9caa963e7aa3728ce368f42ee6df8412fb0095cb3969fdf58c02221c46c5f6f7. 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/NLZ542101278.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfb39e2c71ae20e440ee7b1e9f3663131dd6fc74786ed0969d77f6581d03fe215. Chain 2 (Bitcoin): anchored in block 956894 (2026-07-06T07:53:57Z), 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/NLZ542101262.
Midnight (feat. Liam Payne) (Jack Wins Remix)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4f033205b61596e3df3bd0a5a3f9a51fd1bc24bb03001b8a21820aa39dca79dc. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), 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/USUG12001959.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0e2b4761ee536c315bbeef5e4310a6f9b316fec57bfea66915282223b0c1cca4. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), 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/DES232100350.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x00fd553119d7251e745df9d53445025df40d1fe5f0f51058528e6c58bfcbb507. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), 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/DES232100351.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe6619d7f3d26ca685cc2c33eb128132e1c154c734a0d261124042d06a64d87a4. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), 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/GBAHS1800736.
Dancing in the Moonlight (feat. NEIMY) - Jack Wins Remix
Dancing in the Moonlight (feat. NEIMY) [Jack Wins Remix]
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbf54805a4491c844afbea5402c7a573639a45b2f71581b557405f2101fa2f465. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), 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/UK8E21801203.
Never Let You Go (feat. John Newman) - Jack Wins Remix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdee411cda44485623dcf66a858123e232cb9c9f6a480dc49ee0c5d38ec0550a5. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), 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/SEBGA1800305.