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 0xe3c2e9a6e247b5304ba85b6aa6905003c959f0cc47ff599c9d26b1a83a0a564c. 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/d10447ad-991c-4da6-a584-a4b23b18aa04.json and https://artists.proofprofile.net/proofs/artist/d10447ad-991c-4da6-a584-a4b23b18aa04.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 0x083d7cc5248b918bd79f64308ab831f6c52a4e0dfb916e0d136f7f3c55ea3655. 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/2x69MJcX8jwZNIMOSdc8fj.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/2x69MJcX8jwZNIMOSdc8fj.
Tony Montana (feat. DaBoii, $tupid Young & DexKrueger)
Time Im On (feat. Bravo the Bagchaser & $tupid Young)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa36e56614c39a894775183201852ff75658f20e225ea987015c7d1349554f47f. 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/4KEUraizzwdLIhkpcgWuR2.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/4KEUraizzwdLIhkpcgWuR2.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd5ad25e47af1369528d8b37f1c8cc758d588822934f40c74e81975925fec0b88. 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/5D1Ka6AUQxtxPG2F6qdhtA.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/5D1Ka6AUQxtxPG2F6qdhtA.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc19e191388698217b3387b75ce94866bbe1c63bbe999a34647277f7719c1df78. 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/6etrECQDLkuxJsydma1pmN.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/6etrECQDLkuxJsydma1pmN.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe3ebb58fe8833480d34025aef337bd6109a5f35f4f237d9524bc8c6510a46ae3. 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/7zaWcBO98AuHZeyqaR0ZLE.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/7zaWcBO98AuHZeyqaR0ZLE.
{"copyright_id":"0x347d78b2bd5be8143fae3b6c4a2388b40573a6bebaeadc253b39dba938473fb6","isrc":"USUYG1135803","name":"Eye Busser","registered_at":"2026-06-07T19:52:07Z","spotify_id":"57CVVo1rwLBMnWy7TsltkB","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x347d78b2bd5be8143fae3b6c4a2388b40573a6bebaeadc253b39dba938473fb6. 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/57CVVo1rwLBMnWy7TsltkB.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/57CVVo1rwLBMnWy7TsltkB.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc1f954c5c594626c4ca37121369366151e075a98328f3deae026a3ad0c8c3b2b. 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/1cWg37x8lpTbNbNY7xomrN.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/1cWg37x8lpTbNbNY7xomrN.