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 0x72d6c3ca2ddd8ecab1fc969613a8e13814e8f0c8c956e713dda1e75f8d26a46f. Chain 2 (Bitcoin): anchored in block 953408 (2026-06-12T19:28:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/4957455f-9c6d-4bb9-8226-ed20595e2372.json and https://artists.proofprofile.net/proofs/artist/4957455f-9c6d-4bb9-8226-ed20595e2372.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
{"copyright_id":"0x6b14b6ae3fe35d08c4dd2f6078da3806fff1d2771f9aef9c57d028dc1ee62a2c","isrc":"TCADC1767523","name":"La Sveglia","registered_at":"2026-06-29T01:57:36Z","spotify_id":"4ZKXNfLnhAwFAKt6RD7lGU","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 0x6b14b6ae3fe35d08c4dd2f6078da3806fff1d2771f9aef9c57d028dc1ee62a2c. 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/4ZKXNfLnhAwFAKt6RD7lGU.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/4ZKXNfLnhAwFAKt6RD7lGU.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6dc52f4c80ba4365eb9f4766ed27c46da6410c73c7adc1130610ad125c253784. 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/4SgUoGv3RlcMF4Vpm0Jp5i.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/4SgUoGv3RlcMF4Vpm0Jp5i.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8aa76ddfaa69336ed07465742d58b1716b859868d7246879c84bc5ebeb9e94c5. 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/2V1cuZ6Hn8CxRWaKFOANNs.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/2V1cuZ6Hn8CxRWaKFOANNs.
Concordia University (Live) [Montreal 2009]
Il Mostro (Colonna sonora della serie Netflix)
Northern Lights - Alessandro Cortini Remix
Northern Lights (Alessandro Cortini Remix)
{"copyright_id":"0xf86137a01d4ee7ca76fddee4f3d8bc01976f12c6e0b948d697dc9a87074f78d6","isrc":"USQX92400156","name":"People Are Good - AC Fool Mix","registered_at":"2026-06-17T22:57:22Z","spotify_id":"2HgELZVMnCKksVcrxAC69M","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf86137a01d4ee7ca76fddee4f3d8bc01976f12c6e0b948d697dc9a87074f78d6. 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/2HgELZVMnCKksVcrxAC69M.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/2HgELZVMnCKksVcrxAC69M.
{"copyright_id":"0x7cb62e662644bd4e58c674661476baf17e5d134e7fb3339d127bc677d8a0b047","isrc":"USQX92400154","name":"Before We Drown - AC Wet Mix","registered_at":"2026-06-18T13:57:17Z","spotify_id":"6dxoHHVTvIp8ChFBPsGsiF","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7cb62e662644bd4e58c674661476baf17e5d134e7fb3339d127bc677d8a0b047. 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/6dxoHHVTvIp8ChFBPsGsiF.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/6dxoHHVTvIp8ChFBPsGsiF.
{"copyright_id":"0x97de7a829043cf9554e58e3f0ff458902f5b76e5eced9689c2e2b7bd8329c271","isrc":"GBHFW2400086","name":"Illusion Of Time - Mixed","registered_at":"2026-06-08T19:46:13Z","spotify_id":"4Y3NEGlcaJHcXvrdIPN5bW","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x97de7a829043cf9554e58e3f0ff458902f5b76e5eced9689c2e2b7bd8329c271. 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/4Y3NEGlcaJHcXvrdIPN5bW.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/4Y3NEGlcaJHcXvrdIPN5bW.
Unknown To The Peacock The Serpent And Scorpion Conspire (Alessandro Cortini Remix)