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 0x90540f98ff3076001a8dd6891ce5e97ba541c5ec9f0b110429a56ad7f4123d20. 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/525b9aea-24fc-4c07-b588-e3bbbb91bab6.json and https://artists.proofprofile.net/proofs/artist/525b9aea-24fc-4c07-b588-e3bbbb91bab6.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
{"copyright_id":"0xae924ffa0f741258788f7bf7e3fe66ddc52ee254f66c4b2d6a576b4b15cd1e2a","isrc":"UKACT2331053","name":"Mountain High - Joaquín Cornejo Version","registered_at":"2026-06-08T06:24:43Z","spotify_id":"4ww7zytEyK1Le7SgtILgLs","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 0xae924ffa0f741258788f7bf7e3fe66ddc52ee254f66c4b2d6a576b4b15cd1e2a. 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/4ww7zytEyK1Le7SgtILgLs.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/4ww7zytEyK1Le7SgtILgLs.
{"copyright_id":"0xd96121f233f7bea15339025df7ac4df502fe45c4d42fb05f379b2ab7b170eba6","isrc":"UKACT2331052","name":"Harvest Dub - Joaquín Cornejo Version","registered_at":"2026-06-04T16:22:01Z","spotify_id":"4NOEl3LNIMLtmD2g7Ft9ZX","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd96121f233f7bea15339025df7ac4df502fe45c4d42fb05f379b2ab7b170eba6. 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/4NOEl3LNIMLtmD2g7Ft9ZX.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/4NOEl3LNIMLtmD2g7Ft9ZX.
{"copyright_id":"0xd96121f233f7bea15339025df7ac4df502fe45c4d42fb05f379b2ab7b170eba6","isrc":"UKACT2331052","name":"Harvest Dub - Joaquín Cornejo Version","registered_at":"2026-06-04T16:22:01Z","spotify_id":"69BBBLHQ4bdkmu1AM2Roc9","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd96121f233f7bea15339025df7ac4df502fe45c4d42fb05f379b2ab7b170eba6. 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/69BBBLHQ4bdkmu1AM2Roc9.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/69BBBLHQ4bdkmu1AM2Roc9.
{"copyright_id":"0xae924ffa0f741258788f7bf7e3fe66ddc52ee254f66c4b2d6a576b4b15cd1e2a","isrc":"UKACT2331053","name":"Mountain High - Joaquín Cornejo Version","registered_at":"2026-06-08T06:24:43Z","spotify_id":"4gz6ESWXTrZ9fBxXJm4FLt","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xae924ffa0f741258788f7bf7e3fe66ddc52ee254f66c4b2d6a576b4b15cd1e2a. 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/4gz6ESWXTrZ9fBxXJm4FLt.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/4gz6ESWXTrZ9fBxXJm4FLt.
Balance the Pressure - Joaquín Cornejo Version
{"copyright_id":"0x0101a57337a2b45afd072553c6006e458b7db98735506386de17ab2a2d67ad4b","isrc":"UKACT2331054","name":"Balance the Pressure - Joaquín Cornejo Version","registered_at":"2026-06-07T09:45:56Z","spotify_id":"2pPN0XkuQMmM3gRNWOU94k","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0101a57337a2b45afd072553c6006e458b7db98735506386de17ab2a2d67ad4b. 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/2pPN0XkuQMmM3gRNWOU94k.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/2pPN0XkuQMmM3gRNWOU94k.
Spirit of Love - Joaquín Cornejo Version
{"copyright_id":"0xf05d6a41daceb499c05644735b33bbb7e716741ff105f8805bec8c9cf6ed50ec","isrc":"UKACT2331055","name":"Spirit of Love - Joaquín Cornejo Version","registered_at":"2026-06-07T09:46:26Z","spotify_id":"2uuv9216EuTsikbdqZEf9r","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf05d6a41daceb499c05644735b33bbb7e716741ff105f8805bec8c9cf6ed50ec. 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/2uuv9216EuTsikbdqZEf9r.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/2uuv9216EuTsikbdqZEf9r.
{"copyright_id":"0x8dac7b419b7e327ed15146412134921f638a1603cdfbf13d845398439d8ff062","isrc":"UKACT2331056","name":"Uprising - Joaquín Cornejo Version","registered_at":"2026-06-22T10:46:06Z","spotify_id":"40jAsgYZubFNSupMojjswq","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8dac7b419b7e327ed15146412134921f638a1603cdfbf13d845398439d8ff062. 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/40jAsgYZubFNSupMojjswq.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/40jAsgYZubFNSupMojjswq.
The Self of Every I - Joaquín Cornejo Version
{"copyright_id":"0x8b4df084bfab35a823f70ef5e00d0c552cc51a8b6fd3558a4643de5c3b061574","isrc":"UKACT2331057","name":"The Self of Every I - Joaquín Cornejo Version","registered_at":"2026-06-09T21:22:12Z","spotify_id":"62tmP7lasKzhTL1GZ4Pef4","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8b4df084bfab35a823f70ef5e00d0c552cc51a8b6fd3558a4643de5c3b061574. 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/62tmP7lasKzhTL1GZ4Pef4.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/62tmP7lasKzhTL1GZ4Pef4.
Stay in the Light (Mente Orgánica Version)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7fc3f962515e7691be2aac520135f14d4d18c910420ba23059de48b645d57419. 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/5ZdtbB64OQBT5gtOgY0XJc.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/5ZdtbB64OQBT5gtOgY0XJc.
{"copyright_id":"0xd0b77d42a073d25ee42ed87e6dfc81b10caabb33db145f2c8dc96a856df0cb3f","isrc":"ES6102100362","name":"Jay Radha Madhava","registered_at":"2026-06-19T06:38:51Z","spotify_id":"4oLPnmGZcrA6I75Q27QC46","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd0b77d42a073d25ee42ed87e6dfc81b10caabb33db145f2c8dc96a856df0cb3f. 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/4oLPnmGZcrA6I75Q27QC46.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/4oLPnmGZcrA6I75Q27QC46.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb11309a6f0b01cdfcf868cd41ac78e02a7ec4450b44d10033d08bc6e07e2402b. 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/3XHBz37Go6J5tQE5V0sins.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/3XHBz37Go6J5tQE5V0sins.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb11309a6f0b01cdfcf868cd41ac78e02a7ec4450b44d10033d08bc6e07e2402b. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4wFib42U9ukRus9zyVDW0U.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/4wFib42U9ukRus9zyVDW0U.