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 0xefcc926d066c32f1f16aa58bc6692918547b4d6a1639433993b184359023e91b. 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/d8ea1f47-65e9-4045-8ec0-de993890eb78.json and https://artists.proofprofile.net/proofs/artist/d8ea1f47-65e9-4045-8ec0-de993890eb78.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 0x89ecba39ceb350e5da1a5b973948563c3a2e5b007a2dc49676b6f1f0f2d05b57. 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/7bTEKCTp8bz5wQ9KU5Ievc.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/7bTEKCTp8bz5wQ9KU5Ievc.
{"copyright_id":"0x2d71e8e223899fdc1c47ba962349ab8e2f0f77de15ecb81ac5ddfdd10dc48783","isrc":"CA6D22200373","name":"Here For Now","registered_at":"2026-06-20T08:31:49Z","spotify_id":"4cU8YjbtwlAFBlPlKBaJ8W","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2d71e8e223899fdc1c47ba962349ab8e2f0f77de15ecb81ac5ddfdd10dc48783. 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/4cU8YjbtwlAFBlPlKBaJ8W.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/4cU8YjbtwlAFBlPlKBaJ8W.
{"copyright_id":"0x39729db18241c1dc7d689c3abcd4f44936d90e2e73786bd1fe15dbc41a8c9c56","isrc":"USA2P1942691","name":"Lights - Fransis Derelle Remix","registered_at":"2026-06-23T15:08:36Z","spotify_id":"0Oi2HRxidqtzomlIOq873V","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x39729db18241c1dc7d689c3abcd4f44936d90e2e73786bd1fe15dbc41a8c9c56. 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/0Oi2HRxidqtzomlIOq873V.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/0Oi2HRxidqtzomlIOq873V.
Too Far Gone (Remixes) (feat. Anna Clendening)
{"copyright_id":"0x2cf6eabcceab9866d05ecd310c1f935516f5042d4e96be3a2f67f9ed532b6fac","isrc":"CA5KR2320827","name":"THE SICKNESS [Fransis Derelle Remix]","registered_at":"2026-06-22T23:07:28Z","spotify_id":"2N1UPOa6gFUmBmflSSZl2Z","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2cf6eabcceab9866d05ecd310c1f935516f5042d4e96be3a2f67f9ed532b6fac. 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/2N1UPOa6gFUmBmflSSZl2Z.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/2N1UPOa6gFUmBmflSSZl2Z.
Something To Believe In - CRaymak x Fransis Derelle Remix
Something To Believe In (CRaymak x Fransis Derelle Remix)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x29edff6d05369269ef15e23185343fd7420a711000be943ebadb37e75b933712. 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/3bvS00KjJIYUKH5Dw70rMw.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/3bvS00KjJIYUKH5Dw70rMw.