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 0x396e23d51a7319b25d56662b180866f6ddf37aa9adcad65726928e2004fe10b8. Chain 2 (Bitcoin): anchored in block 953407 (2026-06-12T19:24:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/877ddfd9-640f-4a69-9e17-8416ceb34692.json and https://artists.proofprofile.net/proofs/artist/877ddfd9-640f-4a69-9e17-8416ceb34692.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
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 0xf3362d93951c95223eb12d60004a502f184f98b9a8476429a6bdbe30b4e6303f. 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/1EG1bQejCDO5DT0pnBvaRl.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/1EG1bQejCDO5DT0pnBvaRl.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xae2ff0b488142b5e04b27ed2224c264998fc5effbed79a0c81a431e47a98ecb1. 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/0yBY12adIGb0NTGEQ3CgfH.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/0yBY12adIGb0NTGEQ3CgfH.
Don't Let It Go To Your Head - Radio Edit
White Line Runaways (From Unpregnant Motion Picture Soundtrack)
{"copyright_id":"0x6205e2cf39d0503bd684d7da38921c992a8f3f3d8d00fb465ae58473892041a2","isrc":"USZXT2350912","name":"What I Wouldn't Do/North Star Calling","registered_at":"2026-06-08T18:24:17Z","spotify_id":"3XAzZZoJeLmIGAGYH7rTBj","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6205e2cf39d0503bd684d7da38921c992a8f3f3d8d00fb465ae58473892041a2. 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/3XAzZZoJeLmIGAGYH7rTBj.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/3XAzZZoJeLmIGAGYH7rTBj.
{"copyright_id":"0xdd6aabecdef221f0c8b8369af61305c528f440459eaa344cc815955a0f294d92","isrc":"CA9EP2000001","name":"Lean on Me - ArtistsCAN","registered_at":"2026-06-04T15:36:50Z","spotify_id":"7ejusxgMqURCcMQa0fdOwl","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdd6aabecdef221f0c8b8369af61305c528f440459eaa344cc815955a0f294d92. 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/7ejusxgMqURCcMQa0fdOwl.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/7ejusxgMqURCcMQa0fdOwl.
Degrassi: Music from Season 13. Vol. 1 - 2.0
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2ec4ecea134f182a7ffa75055f28bd27478ba7c93195f0d0a392cbe50e50248c. 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/2wV6L8C6AG5blE9T5SwKQy.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/2wV6L8C6AG5blE9T5SwKQy.