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 0x272341c97e930804636fa193d4cdac4d3516114f97fdd052c1b552c1d2a3a434. 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/a5f9d2af-7945-4610-a0f7-19947680ef7a.json and https://artists.proofprofile.net/proofs/artist/a5f9d2af-7945-4610-a0f7-19947680ef7a.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
New York City - Live At Roxy Theatre, Los Angeles, 1976
Just Like The Sun - Live At Roxy Theatre, Los Angeles, 1976
Without A Reason - Live At Roxy Theatre, Los Angeles, 1976
Captain Midnite - Live At Roxy Theatre, Los Angeles, 1976
Night Breeze - Live At Roxy Theatre, Los Angeles, 1976
Piano Interlude - Live At Roxy Theatre, Los Angeles, 1976
Always There - Live At Roxy Theatre, Los Angeles, 1976
Places And Spaces - Live In Central Park, New York, 1976
(Fallin' Like) Dominoes - Live In Central Park, New York, 1976
The Mouzon Drum Suite: A. Jazz-Rock-Improvisation / B. Out of the Desert / C. Colors of Africa / D. Total Swing
{"copyright_id":"0xcb742e7adec374dfcae5aa5892998d69bc8399c082acf8f2e3c07e7b557f80d8","isrc":"DEA118100010","name":"Do I Have To","registered_at":"2026-06-29T01:33:35Z","spotify_id":"0f9wIOPMosrfCLMKo5eJv0","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 0xcb742e7adec374dfcae5aa5892998d69bc8399c082acf8f2e3c07e7b557f80d8. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0f9wIOPMosrfCLMKo5eJv0.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/0f9wIOPMosrfCLMKo5eJv0.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x225650cd2d4b260f382665666164019becbaac985a7319bfb04219d76d355eaf. 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/6CUzVCqtxIohZAmOQaVdQM.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/6CUzVCqtxIohZAmOQaVdQM.