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 0xc5119178e88f2af1d32d35152ec0a8e05bf635d3f2a10ab3e09d434db4132d27. 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/abada77d-8140-483d-9921-9ee491b953a8.json and https://artists.proofprofile.net/proofs/artist/abada77d-8140-483d-9921-9ee491b953a8.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
E m'annammoro...dei miei successi (The Best Of)
Made in Napoly (feat. Clementino, Salvatore Desideri, Giuliano Desideri)
{"copyright_id":"0xe1eba32abbe3de82de4249cee06048e2d2de390a527e157a2ae76e4c72e47fac","isrc":"ITVKL1800040","name":"'A Voce Do' Core","registered_at":"2026-06-08T20:44:56Z","spotify_id":"52mUbTbpY3juPesCzKnggy","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 0xe1eba32abbe3de82de4249cee06048e2d2de390a527e157a2ae76e4c72e47fac. 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/52mUbTbpY3juPesCzKnggy.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/52mUbTbpY3juPesCzKnggy.
{"copyright_id":"0xf5714afb12200bab5e408cd48fdfbd7261febec927a47a8ea1fa9d9725999f9c","isrc":"FR96X1901375","name":"N'at ammore","registered_at":"2026-06-10T18:19:04Z","spotify_id":"4mW9NL0rU8mGx3IHIjwHgo","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf5714afb12200bab5e408cd48fdfbd7261febec927a47a8ea1fa9d9725999f9c. 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/4mW9NL0rU8mGx3IHIjwHgo.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/4mW9NL0rU8mGx3IHIjwHgo.
{"copyright_id":"0xe01b37885c1529a392df8dafcf845ae94e037a5be8773293cdc1cf288c44a070","isrc":"ITNYH2000015","name":"Me voglio ancora annammurà","registered_at":"2026-06-29T17:10:36Z","spotify_id":"3DLp3KgVMuwOd21423ISE5","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe01b37885c1529a392df8dafcf845ae94e037a5be8773293cdc1cf288c44a070. 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/3DLp3KgVMuwOd21423ISE5.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/3DLp3KgVMuwOd21423ISE5.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x10e095a54467186dd46c775d35666085a11bdd4b1b7f895ff03fb2a9383b3964. 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/5Fsu4O1Xx17WSfmRh60tcw.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/5Fsu4O1Xx17WSfmRh60tcw.
Le indimenticabili, vol. 1 (Best Neapolitan Classical Songs Remastered)
{"copyright_id":"0x4b64ffdf5967b3a07ccc3ea52e33aa26622fee872a155035cce3776f817b72ef","isrc":"ITB001700341","name":"Chest' è Napule (feat. Nico Desideri)","registered_at":"2026-06-24T14:34:14Z","spotify_id":"338DeHeh596P76CfXv5cHF","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4b64ffdf5967b3a07ccc3ea52e33aa26622fee872a155035cce3776f817b72ef. 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/338DeHeh596P76CfXv5cHF.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/338DeHeh596P76CfXv5cHF.
Made in Napoli (feat. Nico Desideri & Clementino)
{"copyright_id":"0xa198ba19a5097ee2a4a59c8b077d3c8d163969965f311de478a311ca75aca4eb","isrc":"FR6V82392120","name":"Made in Napoli (feat. Nico Desideri & Clementino)","registered_at":"2026-06-04T15:07:01Z","spotify_id":"3SPCzXeUD9KvsVKy6QqJlZ","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa198ba19a5097ee2a4a59c8b077d3c8d163969965f311de478a311ca75aca4eb. 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/3SPCzXeUD9KvsVKy6QqJlZ.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/3SPCzXeUD9KvsVKy6QqJlZ.