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 0x2d79dc377bec19d40afc22a22ef74ede8cccfb839aa949dc8a155e06497a7fec. 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/3b307a49-8c64-4cef-9cfd-b2aca66ea731.json and https://artists.proofprofile.net/proofs/artist/3b307a49-8c64-4cef-9cfd-b2aca66ea731.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 0xd0bc84961eb7cdc4719c64ef82043d123f9dc52b0be9b5f534472c0c2897d181. 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/7MtWt7agVZGngXRPhH7E9u.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/7MtWt7agVZGngXRPhH7E9u.
{"copyright_id":"0x0c07ca76c5ce33200de539b496e76f89c09ef19c359bc3a925734d197793beea","isrc":"GBLV62103404","name":"Golden Hour - AVIRA Remix","registered_at":"2026-06-24T08:42:12Z","spotify_id":"47kHcPMOvNIamtwWOCFHcS","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0c07ca76c5ce33200de539b496e76f89c09ef19c359bc3a925734d197793beea. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/47kHcPMOvNIamtwWOCFHcS.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/47kHcPMOvNIamtwWOCFHcS.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc292635e45cb1551a7453611dce3b569725c70c0f5b50b1445c737bfc73f7a23. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4veTWiBb3HTNA9N9UVQ2Ch.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/4veTWiBb3HTNA9N9UVQ2Ch.
{"copyright_id":"0x0c07ca76c5ce33200de539b496e76f89c09ef19c359bc3a925734d197793beea","isrc":"GBLV62103404","name":"Golden Hour - AVIRA Remix","registered_at":"2026-06-24T08:42:12Z","spotify_id":"69ZUFHZRPdl5zbmYGjGCQT","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0c07ca76c5ce33200de539b496e76f89c09ef19c359bc3a925734d197793beea. 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/69ZUFHZRPdl5zbmYGjGCQT.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/69ZUFHZRPdl5zbmYGjGCQT.
Interstellar [Cornfield Chase] (York’s Back In Time Mix)
Interstellar [Cornfield Chase] - York's Back In Time Mix
{"copyright_id":"0x692fbbc7d3f70741726054735e9a8726982a547dc6e99c5cbc2757a3cb47a1d0","isrc":"NLE712400134","name":"Interstellar [Cornfield Chase] - York's Back In Time Mix","registered_at":"2026-06-07T12:33:29Z","spotify_id":"02i8dpBrQBQ20gp5hsYzzY","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x692fbbc7d3f70741726054735e9a8726982a547dc6e99c5cbc2757a3cb47a1d0. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/02i8dpBrQBQ20gp5hsYzzY.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/02i8dpBrQBQ20gp5hsYzzY.
Interstellar [Cornfield Chase] - York's Back In Time Extended Mix
Open Your Eyes - Daniel Wanrooy & Torsten Stenzel Edit
Open Your Eyes - Daniel Wanrooy & Torsten Stenzel Extended Mix
Sacrifice - Torsten Stenzel Extended Mix
The Milky Way (York's Back to the Past Edit)
The Milky Way - York's Back to the Past Edit
{"copyright_id":"0x967cfe1139419ebaacd9be6c1e6f4efc78a26fe22f3b53f9d484a06b3c176c1e","isrc":"DEMA61907648","name":"The Milky Way - York's Back to the Past Edit","registered_at":"2026-06-04T11:55:14Z","spotify_id":"23UdfHEV2n0g8b0rBST5dv","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x967cfe1139419ebaacd9be6c1e6f4efc78a26fe22f3b53f9d484a06b3c176c1e. 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/23UdfHEV2n0g8b0rBST5dv.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/23UdfHEV2n0g8b0rBST5dv.
The Milky Way - York's Back to the Past Extended Mix
{"copyright_id":"0x965432e083faf977e2c1a113c3bf88efb6ea234277624671d50314786c19e156","isrc":"DEMA61907649","name":"The Milky Way - York's Back to the Past Extended Mix","registered_at":"2026-06-12T01:28:05Z","spotify_id":"0jDZMs7tuCMVCg0uEdzznY","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x965432e083faf977e2c1a113c3bf88efb6ea234277624671d50314786c19e156. 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/0jDZMs7tuCMVCg0uEdzznY.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/0jDZMs7tuCMVCg0uEdzznY.
{"copyright_id":"0x7bff8890c955959f3d021606e08f08d48f1aae773d29b67c6004ae1bf1303961","isrc":"NLF711302731","name":"Reachers Of Civilisation - Rank 1 Remix","registered_at":"2026-06-08T10:50:46Z","spotify_id":"21f6BtN9F3UmVi6d9vwbHw","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7bff8890c955959f3d021606e08f08d48f1aae773d29b67c6004ae1bf1303961. 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/21f6BtN9F3UmVi6d9vwbHw.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/21f6BtN9F3UmVi6d9vwbHw.
Chill Executive Officer, Vol. 1 (Selected by Maykel Piron)