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 0xb0544a179262f6ea18490abac74885c1e013f1a102483660a6ed908e94f00a5a. 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/22a32760-e29b-4ac4-9ef0-0a72679d8704.json and https://artists.proofprofile.net/proofs/artist/22a32760-e29b-4ac4-9ef0-0a72679d8704.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Etsi Ki Allios - Live From Sfedona , Greece / 2001
Tipota - Live From Milos Thessaloniki , Greece / 2000
Efapax - Live From Sfedona , Greece / 2001
Den Ime Apo 'Do - Live From Technopolis , Greece / 2000
Proti Fora - Live From Sfedona , Greece / 2001
Ti Tragoudi Na Sou Po - Live From Theatro Petras , Greece / 2003
Se Thimame - Club Mix by Elias Pantazopoulos
O Dromos (Live From Megaro Mousikis Athinon / 2002)
O Dromos (Zodani Ihografisi Sto Megaro Mousikis)
Kane To Himona Kalokeri / Krouaziera - Live
Stamatise Tou Rologiou Tous Diktes - Live
I Kaseta Tou Yiannis Kotsiras (Oi Kasetes Tou Melodia)
Fos (Original TV Series "Sasmos" Soundtrack)
Fos - Original TV Series "Sasmos" Soundtrack
Thnitoi Theoi (Original Tv Series "Sasmos" Soundtrack)
Thnitoi Theoi - Original Tv Series "Sasmos" Soundtrack
Megala Tragoudia Tou Gianni Kotsira Sto Ogdoo Music
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 0x6544f3dafe70323c49a4a64764184a3c999f2aa22389d060059c0b399ac4b90e. 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/0Ionn7AjlLMG9iiN33rq5A.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/0Ionn7AjlLMG9iiN33rq5A.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3e76e2effc1a2d5532ec15ee508f565397647cd29cf5a6f61e1460325f23ad60. 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/5GB1M2v3XF9lS2wqoxGHXq.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/5GB1M2v3XF9lS2wqoxGHXq.
{"copyright_id":"0x1a216f10d73c113dd7f2e1389f38fb3d0bea2063b50314fcbd3f08321a13a95e","isrc":"GRUM72000955","name":"Mi Mou Thimonis Matia Mou - Live","registered_at":"2026-06-04T12:45:39Z","spotify_id":"1qQMXjsJTTxjPgYzc5F2ZG","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1a216f10d73c113dd7f2e1389f38fb3d0bea2063b50314fcbd3f08321a13a95e. 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/1qQMXjsJTTxjPgYzc5F2ZG.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/1qQMXjsJTTxjPgYzc5F2ZG.
Paidiki Efiviki Horodia Tou Odeiou Nicopolis