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 0xcf7b4896250cba50552826461b298c85b3dfd0e53976e9ab12a49c809b5358fc. 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/daabc173-426f-43bf-b6c8-9997336b089e.json and https://artists.proofprofile.net/proofs/artist/daabc173-426f-43bf-b6c8-9997336b089e.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Wet My Feet (feat. Clint & Ronnie Spencer)
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 0x2416570651fcd6594846e261cbe35b702d86954bfb857a3edf040979900db3e4. 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/6yYGfxhukeiFsv7CXQHkzy.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/6yYGfxhukeiFsv7CXQHkzy.
{"copyright_id":"0xcbe3053f2a79133143db2bc98513550560ff6c73cbe022769417c08fb28ef0ed","isrc":"USPO10200046","name":"Confidential Playa","registered_at":"2026-06-06T23:47:55Z","spotify_id":"5DZM6DhJAr2hznCtTtYKPm","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcbe3053f2a79133143db2bc98513550560ff6c73cbe022769417c08fb28ef0ed. 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/5DZM6DhJAr2hznCtTtYKPm.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/5DZM6DhJAr2hznCtTtYKPm.
{"copyright_id":"0x6af237c8bfe1d31c8b25894bfa66990404a4b0f6daaa5684ea10ae60604dc82c","isrc":"USPO10200033","name":"Still Da Barre Baby","registered_at":"2026-06-09T14:41:48Z","spotify_id":"2EfFYKhllAnFRPyEAN3zgW","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6af237c8bfe1d31c8b25894bfa66990404a4b0f6daaa5684ea10ae60604dc82c. 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/2EfFYKhllAnFRPyEAN3zgW.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/2EfFYKhllAnFRPyEAN3zgW.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfb0bd0f1e19390f3685960d6cce09732f29eb7b256a9f54a91c4fcde39e40cfb. 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/3lGPzy6HImPlONnrjOaIkU.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/3lGPzy6HImPlONnrjOaIkU.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x110d2420ac097129fafb4d46486aad6142a9bf738a121df8b126d038dd66e54b. 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/1ET13MnDoGMCYVo1pYhL9x.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/1ET13MnDoGMCYVo1pYhL9x.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdcf36dc7030337f40892b4680f53de49097b49559efce2c86904fdf636167113. 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/6ubMDDah8xYhjuqlPfizYi.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/6ubMDDah8xYhjuqlPfizYi.
{"copyright_id":"0xaee0d6ccde94d01d9bd19897b9b67efb5e1f0265032aadcffa554f4ec4544831","isrc":"USQY50916404","name":"Barre Baby - Wreckchopped & Screwed","registered_at":"2026-06-18T16:54:13Z","spotify_id":"5Cga7ielMldsZQRuh3Wv7a","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaee0d6ccde94d01d9bd19897b9b67efb5e1f0265032aadcffa554f4ec4544831. 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/5Cga7ielMldsZQRuh3Wv7a.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/5Cga7ielMldsZQRuh3Wv7a.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc9a6100d6a5a7dce343a771fda22d0f62702a9821ef3af19c38d405622c94991. 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/2gqyUvLEg2IqmkjWxOEdfJ.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/2gqyUvLEg2IqmkjWxOEdfJ.
{"copyright_id":"0xa1b6f1f9546f589a9d0763a0a7681a5d6c1eae9e944fe646f111ad9f557efe74","isrc":"USXQS1821695","name":"Away from Here","registered_at":"2026-06-26T22:08:44Z","spotify_id":"1WBLEUzIVd5xzH1VDGNqBX","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa1b6f1f9546f589a9d0763a0a7681a5d6c1eae9e944fe646f111ad9f557efe74. 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/1WBLEUzIVd5xzH1VDGNqBX.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/1WBLEUzIVd5xzH1VDGNqBX.