1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → block must exist at that height 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 0x327fe56b150f8613d9e58d526f56cdb125f10ea62fc24a1c055b4ace10d3c3fd. Chain 2 (Bitcoin): anchored in block 953408 (2026-06-12T19:28:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/f4df392e-1ef2-4165-b03c-3e8d9bd7ca85.json and https://artists.proofprofile.net/proofs/artist/f4df392e-1ef2-4165-b03c-3e8d9bd7ca85.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
{"copyright_id":"0x393a69fed11d5036aae73b89e8f9dd41ba95c4b3219aa035b4aef7ec0d8851bd","isrc":"USYBL2400651","name":"I Am Free","registered_at":"2026-06-04T11:43:24Z","spotify_id":"08vpHPtXSGh3gerjxKKMz4","type":"track"}
1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x393a69fed11d5036aae73b89e8f9dd41ba95c4b3219aa035b4aef7ec0d8851bd. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/08vpHPtXSGh3gerjxKKMz4.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/08vpHPtXSGh3gerjxKKMz4.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb29d5b9ef0ea1cb0dc56be8573c40f75dcf2837eedbf4bbab4c8c6ee47c64a47. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/29c9Z9gBGkpIgB7aLS6ijk.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/29c9Z9gBGkpIgB7aLS6ijk.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb29d5b9ef0ea1cb0dc56be8573c40f75dcf2837eedbf4bbab4c8c6ee47c64a47. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1NMSZn1gconZXGv0NSRuO6.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1NMSZn1gconZXGv0NSRuO6.
Your Love (feat. House Gospel Choir) (Coco & Breezy Remix)
{"copyright_id":"0x158a9159c1a9f223ce808f1654b1554a9f819a3ab3792a3c7cede02496c07054","isrc":"USA2P2357964","name":"Your Love (feat. House Gospel Choir) (Coco & Breezy Remix)","registered_at":"2026-06-09T03:21:16Z","spotify_id":"22NJL6tmHY3doX9E6sZqQi","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x158a9159c1a9f223ce808f1654b1554a9f819a3ab3792a3c7cede02496c07054. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/22NJL6tmHY3doX9E6sZqQi.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/22NJL6tmHY3doX9E6sZqQi.
Your Love (feat. House Gospel Choir) (Edit)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd024807adc636566564058fca3d938b14eb305af9cae685483a0a1e0d4e4577f. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1oGX6s0SjBSMz1Z4I9a8zN.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1oGX6s0SjBSMz1Z4I9a8zN.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa9dd9da51e05972e7098aefb8e5a4f93e784c37765c59183374801d9adfa44c7. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2S2uzei41Epnb1TndFTS9l.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2S2uzei41Epnb1TndFTS9l.
{"copyright_id":"0x97993d95d2a2152a07e2a7b647aa6ced51d0dfa57ae7f82b67181dad85ebec10","isrc":"USAT22303640","name":"Float - Coco & Breezy Remix","registered_at":"2026-06-06T07:51:14Z","spotify_id":"7MJc1Z7tTRVCCw63JhWyAv","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x97993d95d2a2152a07e2a7b647aa6ced51d0dfa57ae7f82b67181dad85ebec10. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7MJc1Z7tTRVCCw63JhWyAv.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7MJc1Z7tTRVCCw63JhWyAv.
{"copyright_id":"0x4863ac2e963189d62dcbe299ba615f940d564325edb79426fb1ae406774c4dbf","isrc":"USYBL2300633","name":"Magic - Dave + Sam Remix","registered_at":"2026-06-24T18:12:14Z","spotify_id":"40ZMNSpiY0JvcdJZdqeY7f","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4863ac2e963189d62dcbe299ba615f940d564325edb79426fb1ae406774c4dbf. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/40ZMNSpiY0JvcdJZdqeY7f.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/40ZMNSpiY0JvcdJZdqeY7f.
{"copyright_id":"0xf44504e14979ef1fda8d737871752aca99dc5cf7a9dec52c7704459c86ad3787","isrc":"USYBL2201864","name":"Just Say - DJ Sliink Remix","registered_at":"2026-06-07T13:32:26Z","spotify_id":"0E0tSPI5JZz8Aq1y1DbFEQ","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf44504e14979ef1fda8d737871752aca99dc5cf7a9dec52c7704459c86ad3787. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0E0tSPI5JZz8Aq1y1DbFEQ.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0E0tSPI5JZz8Aq1y1DbFEQ.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9cb15dfb50661937f09716ea76edf6b594e002a74735bbf43f3d0f4d568b4ac7. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2TYjPIYOSoQ3Mu3ojzL0uD.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2TYjPIYOSoQ3Mu3ojzL0uD.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7323d34c69ee701e418d840f437a37ad32a77f6cdf2ad34264a06d1dadb77307. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1dHiSGzb9WFtDKnBFJs4KO.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1dHiSGzb9WFtDKnBFJs4KO.
{"copyright_id":"0xdccdb2ef22521aaec4604fee5a66e6d54854aa404ccd26f2070905e9bf58faf6","isrc":"CA5KR2212681","name":"Liftin Me Up","registered_at":"2026-06-07T11:26:30Z","spotify_id":"0qSllbl7XcVIqz78RgaHSa","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdccdb2ef22521aaec4604fee5a66e6d54854aa404ccd26f2070905e9bf58faf6. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0qSllbl7XcVIqz78RgaHSa.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0qSllbl7XcVIqz78RgaHSa.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x075a0876175b3faec9fe3403db8f017506d96fca0948f89499a845d944c7c05e. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1u4pvznoU57shxIRC1SCzE.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1u4pvznoU57shxIRC1SCzE.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6e5849948aba3ccea368676b88d30f91c0f528023e5398a5a226bbc663e2fa19. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/78K3N4N9BLS9nKUxINO3Zg.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/78K3N4N9BLS9nKUxINO3Zg.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1e550e6ccf5b50bfab3a9e61c3df90326c93be1a027d2883ce8129ba56f3b307. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/64NGjHW1w5Kl42xEKdqi6o.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/64NGjHW1w5Kl42xEKdqi6o.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd7488bbaf13a490fbeb8e64d39a1f60f27b05c099987f7c541720ca13965457d. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/34ol7Eg0ZMHBlBYlz6oeFO.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/34ol7Eg0ZMHBlBYlz6oeFO.
{"copyright_id":"0x78fe87ca69f099a3cc0559f73300e89ac33ec686474019bfac0e15d3398a8e48","isrc":"USYBL1801671","name":"Differences - DJ Sliink Remix","registered_at":"2026-06-19T10:49:24Z","spotify_id":"4kLEEMHtTTzuuIwNNHlBlG","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x78fe87ca69f099a3cc0559f73300e89ac33ec686474019bfac0e15d3398a8e48. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4kLEEMHtTTzuuIwNNHlBlG.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4kLEEMHtTTzuuIwNNHlBlG.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x48b394d5795ef7155a8c07b3df3e617a44f0e43bb50135605886678c1d9cc4f1. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/67Gx0ifvORg7SpDw2TcEtQ.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/67Gx0ifvORg7SpDw2TcEtQ.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1657faefb112885248272b7a1948f85e44c5b4a804a08be922a5c887fe2f469f. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0Nom3w6sDfN2ZWtjnVaaAz.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0Nom3w6sDfN2ZWtjnVaaAz.
Better (feat. Teddy Swims) - Coco & Breezy Remix
{"copyright_id":"0xd78af6302b22ebb3bc1255ad1ada0e0d9874548f63aec63b9629dd39ab315a16","isrc":"GBARL2201756","name":"Better (feat. Teddy Swims) - Coco & Breezy Remix","registered_at":"2026-06-07T14:19:20Z","spotify_id":"3UlDH6ha7GsPkxKWpH8sPu","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd78af6302b22ebb3bc1255ad1ada0e0d9874548f63aec63b9629dd39ab315a16. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3UlDH6ha7GsPkxKWpH8sPu.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3UlDH6ha7GsPkxKWpH8sPu.