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 0x4ae05ae89e66bd3505671051aacbbd68dfe081d2e11a57e0840d4f53fc6ae107. 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/1749811c-b0e5-4282-bdf0-6764d0c58c10.json and https://artists.proofprofile.net/proofs/artist/1749811c-b0e5-4282-bdf0-6764d0c58c10.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 0x2a3223bb2b1b93da564016354235847e749e880efd83a2933c34ecea8bc49476. 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/1oAmnA7Tcb965uIXnruoOr.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/1oAmnA7Tcb965uIXnruoOr.
La Cumbia Boliviana "Versión el Trópico"
La Cumbia Boliviana (Versión El Trópico)
La Cumbia Boliviana - Versión El Trópico
Loco De Remate - Reek Remix Extended Version
Tu Gallito (Reek Remix) [Extended Version]
Que Viva La Vida (Reek Remix) - Radio Edit
Que Viva La Vida (Reek Remix) - Extended Version
Que Viva La Vida (Extended Version) - Remix
{"copyright_id":"0x3b3b7915cb4412e7b0853b1ed6aecc0cc18a4431763a2667df5a01de7a1427fa","isrc":"ART0G1208725","name":"Noche en Hawaii","registered_at":"2026-06-26T17:46:39Z","spotify_id":"26eStGX1DNuQ6meWQenxMV","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3b3b7915cb4412e7b0853b1ed6aecc0cc18a4431763a2667df5a01de7a1427fa. 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/26eStGX1DNuQ6meWQenxMV.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/26eStGX1DNuQ6meWQenxMV.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb71fe2caffb39bb77f1c6d1bb00cd666afacb17c004df9c4cf569a27871f565d. 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/2qT6lpZWUxIe367eWVkVHh.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/2qT6lpZWUxIe367eWVkVHh.