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 0xed16fa410e099c85764fa078138866736cf91626aedf54976f40687f2214ae96. 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/9f928d0e-6600-482c-8e9d-58be68b2b6f6.json and https://artists.proofprofile.net/proofs/artist/9f928d0e-6600-482c-8e9d-58be68b2b6f6.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
{"copyright_id":"0xe40eb281e8ee3692d7a76d5eccbe9b08efd7494ad39e51e7655cbfc7fa152c5d","isrc":"USVPR0208386","name":"I Wanna Know","registered_at":"2026-06-28T23:21:52Z","spotify_id":"3HZIMVDsFOyNEwWdsiodGS","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 0xe40eb281e8ee3692d7a76d5eccbe9b08efd7494ad39e51e7655cbfc7fa152c5d. 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/3HZIMVDsFOyNEwWdsiodGS.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/3HZIMVDsFOyNEwWdsiodGS.
Beneath You're Beautiful (feat. Lady Saw) - Single
Interlude Part 1 with Singing Melody on the Ralston Barrett Show
The Voices Of Sweet Jamaica - All Star Remix
{"copyright_id":"0x65bd780ec765d728ca9116a73c9b663b2b981d32a4922da975cbb435008c8024","isrc":"QMYHM1200024","name":"The Voices Of Sweet Jamaica - All Star Remix","registered_at":"2026-06-02T01:22:47Z","spotify_id":"6ueDnmAamC2RcxY9izQQia","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x65bd780ec765d728ca9116a73c9b663b2b981d32a4922da975cbb435008c8024. 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/6ueDnmAamC2RcxY9izQQia.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/6ueDnmAamC2RcxY9izQQia.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2015daa2d48e6f2d9f5f07814845915197a89a720039471c17e877be319bfbe9. 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/2M6mR3TjDjzeHZkLBih4Xt.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/2M6mR3TjDjzeHZkLBih4Xt.
Cousins Records Presents 2 Riddim Clash Vol.2
{"copyright_id":"0xb8bb69034d9a0bcb006ebd2e1a02ae59d367260082d9d7b9dcc6c463280625f0","isrc":"USVPR9601007","name":"Someone To Hold","registered_at":"2026-06-08T02:17:22Z","spotify_id":"5lYLjnctYrCR58LatcL8V9","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb8bb69034d9a0bcb006ebd2e1a02ae59d367260082d9d7b9dcc6c463280625f0. 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/5lYLjnctYrCR58LatcL8V9.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/5lYLjnctYrCR58LatcL8V9.
Ultimate Dubplate Mix (Shashamane International Presents)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1fdc8063aa19c7b20d4315350e03b7d869a6ea46daed5c6df786f6b06f5e1189. 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/6LhMUEBgYiG223UWJTLXGl.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/6LhMUEBgYiG223UWJTLXGl.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x980c2aa90efe664ec5712053a4904c4a1a583cddd4715db69a7990a3325a060f. 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/6JdRht4zj5Bb9U7aXFs7Zt.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/6JdRht4zj5Bb9U7aXFs7Zt.