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 0xde6cb12e5862997fb7100f000396737bc05c36bbb68f649ee4e6f68d8a97dbb9. 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/973c69a3-2de2-4909-8ceb-a767b0314141.json and https://artists.proofprofile.net/proofs/artist/973c69a3-2de2-4909-8ceb-a767b0314141.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 0xd18b5a051862ea52cb35e7255d6ea25f510f74267cd8093af09fa2ea023d228f. 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/7iLkP47DL4rsXcmYmpAfTD.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/7iLkP47DL4rsXcmYmpAfTD.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0c8c4e68e2a5201bf89948f4e0612a449e40419f069a84a5abeaca86b46118e5. 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/3VXLeHSgdHWJul7368Muwh.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/3VXLeHSgdHWJul7368Muwh.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x28155cbb2422fca4d83cad84fa631b30a798ad568f88c95c0314f93c65890074. 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/2wnfvxgrmCRLq3WPEbz554.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/2wnfvxgrmCRLq3WPEbz554.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0c8c4e68e2a5201bf89948f4e0612a449e40419f069a84a5abeaca86b46118e5. 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/13uYkFGQYiiC4aDCItQDnu.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/13uYkFGQYiiC4aDCItQDnu.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x28155cbb2422fca4d83cad84fa631b30a798ad568f88c95c0314f93c65890074. 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/6WpYbCWdj600oVYe4M49gV.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/6WpYbCWdj600oVYe4M49gV.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x25799ce5840f13aae951ca1f28f3997adb1e19349c68a52eacb5ed8d0b65c78f. 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/7Bx539YoaiObIZqb9yk8zm.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/7Bx539YoaiObIZqb9yk8zm.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x831762bf80f40f9c942c06b0bb16fe17c6d85351e3cc67ad31a879e8d362a8e2. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0U8YlDohxGUqy4Zboffh1s.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/0U8YlDohxGUqy4Zboffh1s.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x944cba0ff505d3cab9b3ae51c47c4f20630331dd0cd68162752b0b05829bebb9. 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/3o9Er7gZnrvh6wHRiv7xac.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/3o9Er7gZnrvh6wHRiv7xac.
{"copyright_id":"0xb22662b8bad48399c15c61b82cfe322fbdee6b0f7916ac45dd5f7f4ca65b8bd6","isrc":"CH3132217074","name":"All for You - Djimboh Remix","registered_at":"2026-06-27T11:41:26Z","spotify_id":"6nLagOsBsKSDOmNVIxD8WG","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb22662b8bad48399c15c61b82cfe322fbdee6b0f7916ac45dd5f7f4ca65b8bd6. 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/6nLagOsBsKSDOmNVIxD8WG.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/6nLagOsBsKSDOmNVIxD8WG.
Pulling Me Under - Hessian Extended Remix
Stay (You're in Everything) [Hausman Remix]
Stay (You're in Everything) - Hausman Remix
{"copyright_id":"0x3875a75b327d8f4e55c6a4141f5d7b2a8d4a71abf34c7c177ba087d53631d978","isrc":"CH3132217071","name":"Stay (You're in Everything) - Hausman Remix","registered_at":"2026-06-22T06:46:32Z","spotify_id":"7zsNYM0F6y78f7VPbxGDRY","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3875a75b327d8f4e55c6a4141f5d7b2a8d4a71abf34c7c177ba087d53631d978. 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/7zsNYM0F6y78f7VPbxGDRY.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/7zsNYM0F6y78f7VPbxGDRY.
Stay (You're in Everything) - Hausman Extended Remix
Eventually - Alex Breitling Extended Remix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7431dbe5344347c768b6b10a4b80966abcce71a53970e32b8e301fb2e8161bbf. 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/2Nc6lQZytemPdajF5Bzbz5.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/2Nc6lQZytemPdajF5Bzbz5.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc914b28d34d6c35d7467c9b7d6b461df0e4616e027ab6011f21ef173c8cbcb6c. 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/4iDOEn9BxlbjorrOQji42Z.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/4iDOEn9BxlbjorrOQji42Z.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7431dbe5344347c768b6b10a4b80966abcce71a53970e32b8e301fb2e8161bbf. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/11L3iYMtXZbWQ9WOFDHSY4.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/11L3iYMtXZbWQ9WOFDHSY4.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb34c9352a8007c7524cf245b8e0ded1137fc34eedbb24c83cb1112dc3fc0a302. 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/6civLzNf2n24d3e8ZWiv45.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/6civLzNf2n24d3e8ZWiv45.
Colorscapes Volume Three - Mixed by PRAANA, Matt Fax & Dezza
{"copyright_id":"0x499f13f5b2de9eacc4d2ac389a508aeee23e4228a7c24bfb5ac8a539a0ba4ea6","isrc":"GBKQU2095303","name":"Oceans (with Ram Dass) - Mixed","registered_at":"2026-06-26T21:22:32Z","spotify_id":"5RLUbxKOQnqvEIGPOWWQ4u","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x499f13f5b2de9eacc4d2ac389a508aeee23e4228a7c24bfb5ac8a539a0ba4ea6. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5RLUbxKOQnqvEIGPOWWQ4u.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/5RLUbxKOQnqvEIGPOWWQ4u.
Runaway Girl - Heard Right Extended Remix
Colorscapes Volume Five - Mixed by PRAANA, Estiva & Klur
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6c32d33f1ed284744b1f30968bdb2ff8b350d84623201c3a6d0692f3c3ac3124. 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/2P2KzUu2wZFpnivVEOqzNv.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/2P2KzUu2wZFpnivVEOqzNv.