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 0xcbbe8629532f9e4305b5636de511a87c3d3b134198f4c678dc5b96457e7ef880. 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/acef3589-f4ec-4de8-ae56-5425c285cc69.json and https://artists.proofprofile.net/proofs/artist/acef3589-f4ec-4de8-ae56-5425c285cc69.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
{"copyright_id":"0x3fe860a776611e223c923f4d85549fc19652729cc5864eee4c7b3fbf9942cf0f","isrc":"GB6LY1600369","name":"Giving Up On - Alan Dixon Remix","registered_at":"2026-06-10T05:52:46Z","spotify_id":"54SGVJ4xSCRha8ViDwy7MU","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 0x3fe860a776611e223c923f4d85549fc19652729cc5864eee4c7b3fbf9942cf0f. 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/54SGVJ4xSCRha8ViDwy7MU.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/54SGVJ4xSCRha8ViDwy7MU.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf5f015a6a3cb9b203e3ea7d19faae80344313ecb01664cb24e63cb8af90a8d33. 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/4vEz3fmvf6Cvv1qhBl16cF.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/4vEz3fmvf6Cvv1qhBl16cF.
{"copyright_id":"0xc5542936e3cde44dc5abaeaa49ddf0842af64fb0676178e68ff5545ee876d68f","isrc":"GB6LY1600646","name":"Last Chance To Dance - Goldroom Remix","registered_at":"2026-06-07T19:34:08Z","spotify_id":"2gA23vudyzpvWfmFWKxAOp","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc5542936e3cde44dc5abaeaa49ddf0842af64fb0676178e68ff5545ee876d68f. 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/2gA23vudyzpvWfmFWKxAOp.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/2gA23vudyzpvWfmFWKxAOp.
Waiting 4 You - Hot Toddy Extended Remix
After Me & You (Shiro Schwarz Remix) (Mixed)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x49a1d56ad8c8cf25f00086fb9e589ca14a4c6677157a7d886870177390813231. 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/0ue2YT529gUetzFe4zDB7E.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/0ue2YT529gUetzFe4zDB7E.
Wendy's Yard (Gilligan Moss Remix) - Mixed
Future Disco - Poolside Sounds Vol. 11 (Mixed Version)
{"copyright_id":"0x8c4d812595852db794c9e33c93f65d53c20acedc00c76e2ec159e35e2d6e6a18","isrc":"GB6LY1601535","name":"Waiting 4 U (Hot Toddy Remix) - Mixed","registered_at":"2026-06-22T19:29:34Z","spotify_id":"0nSiUirUsoKLwUH0s4Bo3O","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8c4d812595852db794c9e33c93f65d53c20acedc00c76e2ec159e35e2d6e6a18. 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/0nSiUirUsoKLwUH0s4Bo3O.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/0nSiUirUsoKLwUH0s4Bo3O.