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 0xaea123f936d21a4304118ee08ae3ed411478a6b563c0d0c73fb63ab652e00747. 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/5e4b18a9-6606-44a8-9d3b-6e1119edc49b.json and https://artists.proofprofile.net/proofs/artist/5e4b18a9-6606-44a8-9d3b-6e1119edc49b.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Guariconfianza / A Que Viniste / Hasta el Final - Extended
Guariconfianza / A Que Viniste / Hasta el Final - Short Version
Guariconfianza / A Que Viniste / Hasta el Final - Dj Edit
{"copyright_id":"0x820c5e4ee9d471452c5e8fbd2670c683a216c5e8df2eb499082a557d892d1bd6","isrc":"QZNJX2424132","name":"No Te Viste","registered_at":"2026-06-10T04:51:44Z","spotify_id":"2SCUkmWIcD7UDVOLswUOIY","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 0x820c5e4ee9d471452c5e8fbd2670c683a216c5e8df2eb499082a557d892d1bd6. 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/2SCUkmWIcD7UDVOLswUOIY.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/2SCUkmWIcD7UDVOLswUOIY.
{"copyright_id":"0x4ae26f82ccce1633fda78bc1a2c34b4c3049dab5eded69b0c3d36660c98370fc","isrc":"QZNJZ2416777","name":"Pa Que Sigues Con El","registered_at":"2026-06-10T04:44:37Z","spotify_id":"2oIFalvt0vCrI96UPVcT9q","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4ae26f82ccce1633fda78bc1a2c34b4c3049dab5eded69b0c3d36660c98370fc. 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/2oIFalvt0vCrI96UPVcT9q.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/2oIFalvt0vCrI96UPVcT9q.
{"copyright_id":"0x2be3f826c3ea6d19f3eabe8b2c79c715b67a6013e9c9e5bcbf8b9564eea5074d","isrc":"QZGLM2079744","name":"La Guariconfianza","registered_at":"2026-06-04T07:01:17Z","spotify_id":"234PYuEChhjwv4GeT12pap","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2be3f826c3ea6d19f3eabe8b2c79c715b67a6013e9c9e5bcbf8b9564eea5074d. 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/234PYuEChhjwv4GeT12pap.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/234PYuEChhjwv4GeT12pap.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf5a24999f9aee243d30abe8b7cfc8f6d606b27a71590cc69f87e733ef332c022. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/66ZHIBoP9rT9ZsbP5iKazH.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/66ZHIBoP9rT9ZsbP5iKazH.
{"copyright_id":"0x2be3f826c3ea6d19f3eabe8b2c79c715b67a6013e9c9e5bcbf8b9564eea5074d","isrc":"QZGLM2079744","name":"La Guariconfianza","registered_at":"2026-06-04T07:01:17Z","spotify_id":"4THCtSYlFGBfNYba0vlPkK","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2be3f826c3ea6d19f3eabe8b2c79c715b67a6013e9c9e5bcbf8b9564eea5074d. 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/4THCtSYlFGBfNYba0vlPkK.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/4THCtSYlFGBfNYba0vlPkK.
{"copyright_id":"0x94bf1c29771d11e7473daacfe87a28e8f8c0d4cba1de3701000c3ae2c143a3bb","isrc":"QZW9M2252550","name":"Los Codigos","registered_at":"2026-06-22T03:59:39Z","spotify_id":"4BxYPsK72HrVQ6Q0EQoMEx","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x94bf1c29771d11e7473daacfe87a28e8f8c0d4cba1de3701000c3ae2c143a3bb. 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/4BxYPsK72HrVQ6Q0EQoMEx.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/4BxYPsK72HrVQ6Q0EQoMEx.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5d3bdfb32fb75c2e600755a9b6c34154f65223b5dc7d7b419b2ca68c7cc99925. 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/1uwBIxvWCqEoQ85D2orPzJ.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/1uwBIxvWCqEoQ85D2orPzJ.
{"copyright_id":"0x88a16d8a352ca2897ffdaf7b0b60e091873593e2a8856ea846edfbffafdc7940","isrc":"QZNJW2018348","name":"Tu Dolor de Cabeza","registered_at":"2026-06-08T19:02:42Z","spotify_id":"6YjBEXXUx9uG3Hpin2K0Vy","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x88a16d8a352ca2897ffdaf7b0b60e091873593e2a8856ea846edfbffafdc7940. 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/6YjBEXXUx9uG3Hpin2K0Vy.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/6YjBEXXUx9uG3Hpin2K0Vy.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xade8a4fc77c514e7885a054312322c21d0fd062f7fe140711eebe67df89009f9. Chain 2 (Bitcoin): anchored in block 954130 (2026-06-17T20:28:17Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3emroPtiRgo4kL2t6AFoPQ.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/3emroPtiRgo4kL2t6AFoPQ.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x21c20069cc14d66090f56df05ca22707e1084d8727eb9c21ead19d0c141229cd. 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/0oMAZ4R6LI6NaCymGnfFPx.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/0oMAZ4R6LI6NaCymGnfFPx.