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 0x2831d7fad13585f316efcba2f1f7928f0749a0b55002d9fd2d13567572f4819c. 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/a0a9efbc-e1bc-4bc0-895b-92c7b41d4f50.json and https://artists.proofprofile.net/proofs/artist/a0a9efbc-e1bc-4bc0-895b-92c7b41d4f50.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 0xf17e6b4e582e4703efcc9b4093a49940cba3322875dac4d94009c1ce41340632. 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/4YM1Jcr8dPy1Ql0khFMt4L.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/4YM1Jcr8dPy1Ql0khFMt4L.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9ada5043b5773d332ef52d9992e410cedf501d5f17e10b5f06f58335e47d0530. 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/4BJ2Cmu4sna57A8EovCfAU.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/4BJ2Cmu4sna57A8EovCfAU.
Distant Planet (Carl Clarks x Tom Franke Remix)
Distant Planet (Carl Clarks X Tom Franke Remix Edit)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x838852866309db66582ea977a4b3c8165391f433cef09ff191389ab4f739cce0. 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/3yJI8bGQUSwN30jQqPofPF.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/3yJI8bGQUSwN30jQqPofPF.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1f540f6de86c6310cbff4db698b4359a8d20139648ab778d644a7a0a920e6d15. 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/2QZnegQ85Vc9n911OxcG7s.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/2QZnegQ85Vc9n911OxcG7s.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xddadb5123dfadad7403756127859c7e4843c8485092fede3250f4ec2b7169f99. 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/71qgQV6LnGgRUAI2UdbIgt.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/71qgQV6LnGgRUAI2UdbIgt.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3d50f28a3c8ac8ddc3948b14beb21607289a616684d8bd92e25b79f61bccad6b. 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/460tyHiP1cF7VQqNsVQjwe.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/460tyHiP1cF7VQqNsVQjwe.
{"copyright_id":"0x4e577794c8f5bee82fb11a1c6dd81dffc5779c4110af66ee1756bbefabd02f63","isrc":"DEA312400867","name":"The Earth (Remix)","registered_at":"2026-06-18T04:36:54Z","spotify_id":"0PDNP1DbgqSeuoswSxtjII","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4e577794c8f5bee82fb11a1c6dd81dffc5779c4110af66ee1756bbefabd02f63. 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/0PDNP1DbgqSeuoswSxtjII.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/0PDNP1DbgqSeuoswSxtjII.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x98e411771002e64f2a8457575e8042a9302f625c81170fb89d09d960b901b3f9. 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/4cuahISTpc93b0nB4GTUVA.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/4cuahISTpc93b0nB4GTUVA.
Because I Love You (Carl Clarks Extended Remix)
Somebody You're Not (Robbie Rivera Remix)
{"copyright_id":"0x06f5eb21d19983e1454e4533616b2f6dc52306eec1ccc7170552dc974d747943","isrc":"DEA312400462","name":"Somebody You're Not (Robbie Rivera Remix)","registered_at":"2026-06-20T10:40:50Z","spotify_id":"3xOaynh85cRXfXEEHZOQw8","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x06f5eb21d19983e1454e4533616b2f6dc52306eec1ccc7170552dc974d747943. 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/3xOaynh85cRXfXEEHZOQw8.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/3xOaynh85cRXfXEEHZOQw8.
Somebody You're Not (Robbie Rivera Extended Remix)
{"copyright_id":"0x73966cdb1143ff14fee1631eb93ca10c377b4b9059a5b65ee9f9d9aebe3e75b3","isrc":"DEA312400065","name":"Dreamer (Spanish Vip Remix)","registered_at":"2026-06-09T09:54:41Z","spotify_id":"2Y7aVcoydeItfHp9DBewMu","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x73966cdb1143ff14fee1631eb93ca10c377b4b9059a5b65ee9f9d9aebe3e75b3. 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/2Y7aVcoydeItfHp9DBewMu.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/2Y7aVcoydeItfHp9DBewMu.
Somebody You're Not (Stupid Whizkid Remix)
{"copyright_id":"0x163a851b3088a82547749be9967e4bbe230199644b3ac5d2c3e797e75b4d47c9","isrc":"DEA312300882","name":"Somebody You're Not (Stupid Whizkid Remix)","registered_at":"2026-06-27T12:00:25Z","spotify_id":"2gADIcL1KbTAX7YnQysFpW","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x163a851b3088a82547749be9967e4bbe230199644b3ac5d2c3e797e75b4d47c9. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2gADIcL1KbTAX7YnQysFpW.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/2gADIcL1KbTAX7YnQysFpW.
Somebody You're Not (Stupid Whizkid Extended Remix)
Somebody You're Not (Vip Remix Extended)
Somebody You're Not (Enric Font Extended Remix)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x316a66382b8a5762e34c71674d43f1bb40a20a09de1f14d80ea32bbbe30b0af8. 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/1deGTnDN7GR7HIOi1GG1SV.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/1deGTnDN7GR7HIOi1GG1SV.
{"copyright_id":"0x2051b0ade7b0989b21710ad51c46f991eb6e1f94da90a73e098a3eb1383a0d9a","isrc":"DK4YA2303301","name":"Shape of My Heart - Michael Ford Remix","registered_at":"2026-06-18T11:08:11Z","spotify_id":"67QNokrZYnDGICQmqbcuy4","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2051b0ade7b0989b21710ad51c46f991eb6e1f94da90a73e098a3eb1383a0d9a. 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/67QNokrZYnDGICQmqbcuy4.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/67QNokrZYnDGICQmqbcuy4.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaac4b3522cfa86a423d9fd4e15f05e679136ed649788c6e0b71c65e413dec3ac. 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/6H2ZYODJDjQ2idzI5tCVAy.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/6H2ZYODJDjQ2idzI5tCVAy.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4dfbaa1ee9f6078e65cbde64beda0122af1b0e60ed059df3bc135438c01c08eb. 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/6oEmbNTdk9trHZBz7odrhh.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/6oEmbNTdk9trHZBz7odrhh.
{"copyright_id":"0x32dfee8ac2bb56d49eb75eb34a3b66457726dec4a8f5edfe152eb28f8c8e8bc7","isrc":"NL2QC2100467","name":"Shape Of My Heart","registered_at":"2026-06-04T15:15:33Z","spotify_id":"4TiLufqSMZgyMgecFiEAhs","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x32dfee8ac2bb56d49eb75eb34a3b66457726dec4a8f5edfe152eb28f8c8e8bc7. 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/4TiLufqSMZgyMgecFiEAhs.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/4TiLufqSMZgyMgecFiEAhs.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8ef568f5aea034837eae1753604417f487848fbb4a52210c29bc992555d94e2c. 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/0h5ddpn03JPxD4x4dMf8i0.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/0h5ddpn03JPxD4x4dMf8i0.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x01771fa370f2cf3b3ba7a6eb094d98b648b925469e39a256d3bfe27ea17adb52. 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/298jeeuaVlpgY68SuTzPAA.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/298jeeuaVlpgY68SuTzPAA.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1ff95ec4f2c0a6c78200031047447348732b22d367092d49449784518237f0da. 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/1gajYBqBUjQhABhE3i5jQM.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/1gajYBqBUjQhABhE3i5jQM.