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 0x61961244083c93dd0a78673c92cd4d9892188f6b04eadbcb31058b650798de46. 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/3f281151-49d9-4809-b80f-57d70ff1b161.json and https://artists.proofprofile.net/proofs/artist/3f281151-49d9-4809-b80f-57d70ff1b161.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Ένα Αποχαιρετιστήριο Πράμα (Καθώς Ανάσαινε)
Mia Nihta Pathon (Ihografisi Se Aplo Kasetofono)
Tis Nihtes Skeftome Oti Den Prepi (Kollisa)
Μια Νύχτα Παθών (Ηχογράφηση Σε Απλό Κασετόφωνο)
Ola Ta Ksekolia (Asma Tis Paraliakis 4:p.m.)
14 Megala Tragoudia - Lakis Papadopoulos (Me Ta Psila Rever)
30 Hronia Lakis Papadopoulos - Live 2012 Stin Tehnopoli
Ston Aggelo Mas (Makris O Dromos) - Live
Larri - Live From Tehnopolis, Greece / 2012
Tis Nihtes Skeftome O,Ti Den Prepi - Live
I Atzeda Sou Tha Mouskevi Sto Nero - Live
Elpizo - Live From Tehnopolis, Greece / 2012
Lakis Papadopoulos - Live Odio Irodou Attikou
Pios Na Xeri Sto Vlemma Tou Piso Ti Krivi O Theos Gia Mas
Petaloudes Pou Tha Ftasoun Sto Feggari: The Remixes
Petaloudes Pou Tha Ftasoun Sto Feggari - Short Mix
Petaloudes Pou Tha Ftasoun Sto Feggari - Extended Mix
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 0xa79a0977cc971095216ed2816141f622e3eb36a97d3510e451fb183899456a18. 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/3IjJbCQZ8p3pNQg5VSvQgn.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/3IjJbCQZ8p3pNQg5VSvQgn.
{"copyright_id":"0xbf780d6cc42f069aa3d7215e520a5affcb87387d208abf73039f208c8b81dd15","isrc":"GRFM12500121","name":"My Secret Message","registered_at":"2026-06-29T06:07:30Z","spotify_id":"6t0MiVJMTd0TRcEc8poJS8","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbf780d6cc42f069aa3d7215e520a5affcb87387d208abf73039f208c8b81dd15. 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/6t0MiVJMTd0TRcEc8poJS8.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/6t0MiVJMTd0TRcEc8poJS8.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x44674ba51a0332b9b84f82744a562cab3c831227971e17493bdf52540960aeae. 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/3SihNlFOAdPCZ51BUTYRWc.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/3SihNlFOAdPCZ51BUTYRWc.