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 0x16b449508411d9e1427cd10f3ab444f90e2029efa2c916149bf9d5099001210a. 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/5535b49c-e6e1-4738-bbb5-1dd21c7ae448.json and https://artists.proofprofile.net/proofs/artist/5535b49c-e6e1-4738-bbb5-1dd21c7ae448.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Nylist 666 (666 Vocalist World Record Track)
{"copyright_id":"0x99c1cefcf914ff20f1912d52385db04f591a01c7d1c0a803ee3ee3c3e178725f","isrc":"QZK6H2153994","name":"Nylist 666 (666 Vocalist World Record Track)","registered_at":"2026-06-25T00:44:50Z","spotify_id":"4l4k6ftb8KIehA2jZfXbRG","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 0x99c1cefcf914ff20f1912d52385db04f591a01c7d1c0a803ee3ee3c3e178725f. 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/4l4k6ftb8KIehA2jZfXbRG.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/4l4k6ftb8KIehA2jZfXbRG.
Beyond Deviation 400 - 400 Vocalist World Record Track
Beyond Deviation 400 (400 Vocalist World Record Track)
{"copyright_id":"0x74b1ff765a318890284fe074834236fccf32af3d0127cc73e630637926bb060a","isrc":"CAE562123701","name":"Beyond Deviation 400 - 400 Vocalist World Record Track","registered_at":"2026-06-10T09:07:28Z","spotify_id":"0g4DaaKdwknplu3OtmLL85","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x74b1ff765a318890284fe074834236fccf32af3d0127cc73e630637926bb060a. 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/0g4DaaKdwknplu3OtmLL85.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/0g4DaaKdwknplu3OtmLL85.