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 0x7ee3ac2fb062bf2e5001fbca1dd690fca41df22a16dda0d0de87088ecee85d09. 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/d0a22eda-e001-4fa0-a28e-a6bb53853fde.json and https://artists.proofprofile.net/proofs/artist/d0a22eda-e001-4fa0-a28e-a6bb53853fde.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 0x13caabd9143f7c151cd1a401576af65a156648bfc5874fe68bb3d11c7ebac94a. 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/7uk7aG1O2lYLbIt4hE7p5d.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/7uk7aG1O2lYLbIt4hE7p5d.
{"copyright_id":"0x9f206af88642efb7bde0d0e6db4b56c5136d7b363cfb997e4fc06611e4f13b7c","isrc":"QZFZ52094704","name":"Ionic Funk - 20xx Battle Music","registered_at":"2026-06-04T16:21:07Z","spotify_id":"4L4zDLCJAVWz7R0lE6VtBG","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9f206af88642efb7bde0d0e6db4b56c5136d7b363cfb997e4fc06611e4f13b7c. 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/4L4zDLCJAVWz7R0lE6VtBG.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/4L4zDLCJAVWz7R0lE6VtBG.
{"copyright_id":"0xd5b7245997fc415eed415dea09bd9e9db94f5231cc82af1978358d0044edb8a2","isrc":"QZFZ52094705","name":"Krystle - URL Cyber Palace Mix","registered_at":"2026-06-04T08:07:14Z","spotify_id":"4WyZjSNcHtSOMHffFPh3Ws","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd5b7245997fc415eed415dea09bd9e9db94f5231cc82af1978358d0044edb8a2. 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/4WyZjSNcHtSOMHffFPh3Ws.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/4WyZjSNcHtSOMHffFPh3Ws.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2fdcc58ac1888e5577a66d1e6dac8175b15283d4869b2c627363103c668db14c. 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/112cChFi3URcbJsuzJhBQ3.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/112cChFi3URcbJsuzJhBQ3.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6c127d096c8cfdb6532fec00158d0e6ba79e3ecc30c31ae50202713c9ec650ce. 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/4JG8MhCVmEM458N4Xl7VMT.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/4JG8MhCVmEM458N4Xl7VMT.
{"copyright_id":"0x50d1991f817a9163edd4d57453329ea6b7f61925e23c137bca5076ade1bdd654","isrc":"QZFZ52094708","name":"Frenesi - Machine Girl GabberTrap Mix","registered_at":"2026-06-04T08:02:46Z","spotify_id":"3wt5rmyeDO4ScM5fsKI33Y","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x50d1991f817a9163edd4d57453329ea6b7f61925e23c137bca5076ade1bdd654. 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/3wt5rmyeDO4ScM5fsKI33Y.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/3wt5rmyeDO4ScM5fsKI33Y.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x88849d9b3452745398d95f54932f51e497fdd9f4bd6629fabb921c2513fc6272. 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/7MNyh0GzImQJ7pOutAasco.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/7MNyh0GzImQJ7pOutAasco.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8d7ac712176d880b960890becc756eb6b32268970b54ee93697f758ec1c7f8b4. 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/6kN2i18Ev5XbbktLw6Y9cb.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/6kN2i18Ev5XbbktLw6Y9cb.
{"copyright_id":"0xabf45ffaf50974261a1f0abf8fe39c54cc68ac8324d826a480da9623a6ed0c4c","isrc":"QZFZ52094711","name":"Phase Alpha","registered_at":"2026-06-06T07:28:09Z","spotify_id":"5MS9Y8nEcFtyIsO4nJqiqN","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xabf45ffaf50974261a1f0abf8fe39c54cc68ac8324d826a480da9623a6ed0c4c. 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/5MS9Y8nEcFtyIsO4nJqiqN.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/5MS9Y8nEcFtyIsO4nJqiqN.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5c7944555d6fd75ea780df239c0f9003aafdcb9923fdfec64d628cf33c065297. 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/4uzyh60rYv1RHrnLOjJG1o.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/4uzyh60rYv1RHrnLOjJG1o.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdf585e965e43f072a9673d0a022750257b250806aadee405d244ff940dd992c4. 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/69b2SyyA0dCTWcgAKG8M91.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/69b2SyyA0dCTWcgAKG8M91.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6ee760d5a22306cdb5ca53c780e9a755a3710c41187e5383233cb10466766b24. 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/7hfOmN979NCWOujINDSAMo.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/7hfOmN979NCWOujINDSAMo.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb5be037b3db849d1ac3c415aea2e0116979543502de5ee4712d6510d563096ae. 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/1MVXpUrO6B7PVPJli1KWb7.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/1MVXpUrO6B7PVPJli1KWb7.
Don't Really Care (feat. N8NOFACE) - Machine Girl Remix
{"copyright_id":"0x149f73e8962e7c6ccdb2e76c9a1c587d1181339dcfb0c1a841ce59a6dcaea11f","isrc":"CADE72301712","name":"Don't Really Care (feat. N8NOFACE) - Machine Girl Remix","registered_at":"2026-06-20T18:23:13Z","spotify_id":"63J2QS45TsN4xmheMzIHxf","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x149f73e8962e7c6ccdb2e76c9a1c587d1181339dcfb0c1a841ce59a6dcaea11f. 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/63J2QS45TsN4xmheMzIHxf.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/63J2QS45TsN4xmheMzIHxf.
{"copyright_id":"0x149f73e8962e7c6ccdb2e76c9a1c587d1181339dcfb0c1a841ce59a6dcaea11f","isrc":"CADE72301712","name":"Don't Really Care (feat. N8NOFACE) - Machine Girl Remix","registered_at":"2026-06-20T18:23:13Z","spotify_id":"7MZlQva9IeHFXuIc8U4Wsv","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x149f73e8962e7c6ccdb2e76c9a1c587d1181339dcfb0c1a841ce59a6dcaea11f. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7MZlQva9IeHFXuIc8U4Wsv.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/7MZlQva9IeHFXuIc8U4Wsv.
Insects - Machine Girl Insecticidal Tendencies Remix
{"copyright_id":"0xe2da2e692e46df29dadbc86c59ac7e6a815b6b26a25c4d74c712463a3dc699c1","isrc":"USEP42203004","name":"Insects - Machine Girl Insecticidal Tendencies Remix","registered_at":"2026-06-25T18:29:48Z","spotify_id":"5u3rsz0MDD4S6e5EBcxeik","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe2da2e692e46df29dadbc86c59ac7e6a815b6b26a25c4d74c712463a3dc699c1. 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/5u3rsz0MDD4S6e5EBcxeik.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/5u3rsz0MDD4S6e5EBcxeik.
{"copyright_id":"0xe2da2e692e46df29dadbc86c59ac7e6a815b6b26a25c4d74c712463a3dc699c1","isrc":"USEP42203004","name":"Insects - Machine Girl Insecticidal Tendencies Remix","registered_at":"2026-06-25T18:29:48Z","spotify_id":"24HsBaxDVLqU1uwBECBHKl","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe2da2e692e46df29dadbc86c59ac7e6a815b6b26a25c4d74c712463a3dc699c1. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/24HsBaxDVLqU1uwBECBHKl.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/24HsBaxDVLqU1uwBECBHKl.
Insects - Debugged & Refucked Machine Girl Remix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb4a54e480b0bffbe67f524122959dca05e29aa64a9c8d34796b11002f50d9f91. 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/2n6GxGqXp8sNRkSoelts7y.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/2n6GxGqXp8sNRkSoelts7y.
{"copyright_id":"0x027709d868eb7466d949d8bb4479b5a626bfe3455bc9b510f41a5e43be6c9135","isrc":"GBKPL2207077","name":"Tambaleo - Machine Girl Remix","registered_at":"2026-06-10T19:55:31Z","spotify_id":"101Ny9kUZZXjVIf5EDPxxw","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x027709d868eb7466d949d8bb4479b5a626bfe3455bc9b510f41a5e43be6c9135. 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/101Ny9kUZZXjVIf5EDPxxw.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/101Ny9kUZZXjVIf5EDPxxw.