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 0x696c58599589f49084ae43b742f2b62630cc2ee28cd86190c0ea6a27e955cdd3. 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/dac01d3d-ef1d-47e9-9787-e4ae7593c243.json and https://artists.proofprofile.net/proofs/artist/dac01d3d-ef1d-47e9-9787-e4ae7593c243.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
I'm What Is You're What Wants To Be - 45 King Remix
I'm What Is You're What Wants To Be - Drumapella
I'm What Is You're What Wants To Be - Acapella
You Need Stitches: The Tuff City Sessions 1982-1988
I'm What Is You're What Wants To Be - The 45 King Remix
The Real Old School: Hip Hop/rap Classics, Vol. 1
Ain't Nthin' Changed (But The Weather) (Instrumental)
The Real Old School: Hip Hop/rap Classics, Vol. 2
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 0x6a6274b0690741859b2903f056fc268d6c2a2e6fa78fed830b6cd6970c592d74. 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/3y8mtLELUErfOA95qC1QCN.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/3y8mtLELUErfOA95qC1QCN.
Downtown (feat. Melle Mel, Grandmaster Caz, Kool Moe Dee & Eric Nally)
{"copyright_id":"0xe4b6d8f1fcc318c22e96c07adb82aa3bc4f88e11b4f2cd2325e81595f5b3f30c","isrc":"GMM881500002","name":"Downtown (feat. Melle Mel, Grandmaster Caz, Kool Moe Dee & Eric Nally)","registered_at":"2026-06-01T09:07:39Z","spotify_id":"5pfJsMwoRYKampPay8amX0","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe4b6d8f1fcc318c22e96c07adb82aa3bc4f88e11b4f2cd2325e81595f5b3f30c. 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/5pfJsMwoRYKampPay8amX0.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/5pfJsMwoRYKampPay8amX0.
Rolling 50 Deep (feat. Sheek Louch, Styles P, Benny The Butcher, Bun B, Ghostface Killah, Raekwon, AZ, Papoose, Ransom, Memphis Bleek, Billy Danze, Lil Fame, Dave East, 3D Natee, Joell Ortiz,