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 0x694dc5740fa97c60b6228f0bf2d4257de1268d7e3d3c265c4ce4a9e3fe363efe. 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/6778865d-bfaa-426d-a410-543659e6466e.json and https://artists.proofprofile.net/proofs/artist/6778865d-bfaa-426d-a410-543659e6466e.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
{"copyright_id":"0xdfc44ea383f09229dc788f2777f0a4de803ed7c00c029d7c19efcb11e3f60d71","isrc":"CA5KR2174679","name":"Holy Crucifixion - DICA Remix","registered_at":"2026-06-09T10:00:52Z","spotify_id":"2tZFAR2absJL8HN2R1LHzy","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 0xdfc44ea383f09229dc788f2777f0a4de803ed7c00c029d7c19efcb11e3f60d71. 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/2tZFAR2absJL8HN2R1LHzy.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/2tZFAR2absJL8HN2R1LHzy.
{"copyright_id":"0x55945906cfa58d36683fbd2540dedc27bbe8fe9406d3dbac69429276385da02f","isrc":"CA5KR2192955","name":"Heralds of Darkness","registered_at":"2026-06-22T06:59:23Z","spotify_id":"6sTNPr1Co7o7ikO6XNeMeJ","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x55945906cfa58d36683fbd2540dedc27bbe8fe9406d3dbac69429276385da02f. 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/6sTNPr1Co7o7ikO6XNeMeJ.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/6sTNPr1Co7o7ikO6XNeMeJ.
{"copyright_id":"0xb750df16bd3fce4026a0df03b4ffab95990ae0c9b0343fefd15157462591dd25","isrc":"FR9W12113157","name":"CtrL (Vendex Remix)","registered_at":"2026-06-18T19:59:28Z","spotify_id":"687PIjwicAOc3uBBhHZLpJ","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb750df16bd3fce4026a0df03b4ffab95990ae0c9b0343fefd15157462591dd25. 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/687PIjwicAOc3uBBhHZLpJ.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/687PIjwicAOc3uBBhHZLpJ.
{"copyright_id":"0xb92c92faa4675cdb2de6fd2f9f51f84ca4cc9ac4e02c384c97ecf25444c4881a","isrc":"USHM22347556","name":"Chasing Flashes","registered_at":"2026-06-24T19:21:50Z","spotify_id":"4H9vCRwpjaK08hkMpajbuz","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb92c92faa4675cdb2de6fd2f9f51f84ca4cc9ac4e02c384c97ecf25444c4881a. 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/4H9vCRwpjaK08hkMpajbuz.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/4H9vCRwpjaK08hkMpajbuz.
{"copyright_id":"0x7edb9fc3daa604db0c4fb353ebd92e1dc764c3d8b50a636755b40edd2c6fcaaa","isrc":"USHM22347557","name":"Not Now","registered_at":"2026-06-25T13:04:15Z","spotify_id":"6AbIBIKig830nh182vVivV","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7edb9fc3daa604db0c4fb353ebd92e1dc764c3d8b50a636755b40edd2c6fcaaa. 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/6AbIBIKig830nh182vVivV.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/6AbIBIKig830nh182vVivV.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xebbc2d8961669640b73b7502416481ebc53f7936ccf345ad34e9146c32a53c4e. 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/7ulmRwI3JgM3SrLupe6rE5.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/7ulmRwI3JgM3SrLupe6rE5.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5b4b076553689b756ce1ca062ef8dcf1f48b8312853ab355abc1e76d12e5c05d. 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/5tAoH537jtpIkycdhnOw83.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/5tAoH537jtpIkycdhnOw83.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x065c911014a5258e546ba767e05870bae35cef224f2e719aed7ef9f79769f29f. 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/71E7qm4qLUNg3IMdKySc36.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/71E7qm4qLUNg3IMdKySc36.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa8ee624e4d4bf61c2ca53f59c2572d135b42f85b3208b3ce2ca05caa34c33acc. 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/7KymE1oLkGXuhqWZS5cl9t.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/7KymE1oLkGXuhqWZS5cl9t.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x704b48ae92dc4fe5365db4a6a65b7bc36b0d265e38784f2ca02ae3f40876a12b. 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/47v5H80wO9Igu7UFvViBUG.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/47v5H80wO9Igu7UFvViBUG.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x971cc41ba113f732fda54d9854cf41f9b86adc0656f75cd448163f570ff48d12. 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/5u96jneQfS3B5EKDV9ybsF.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/5u96jneQfS3B5EKDV9ybsF.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x021c876c4eafcf813c69f0587758587bb781d4b39f3e2b303f358e70cdae9378. 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/5iTX64ofCSZSprLqMFtP0d.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/5iTX64ofCSZSprLqMFtP0d.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9b8944db861aa49a203d40011eb59259a3466d4d8e5ac5919b380081f883e009. 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/1pcA3AyT46MR9SMjfynOCG.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/1pcA3AyT46MR9SMjfynOCG.
{"copyright_id":"0xaf016d21e1b936ca4a7c40d2a98294454600eeee921d0c7ad7920dd2c8d32b6b","isrc":"DEPI82430778","name":"Raving in Paris - Vendex Remix","registered_at":"2026-06-18T18:07:54Z","spotify_id":"1FX8HFMxzPf9fL5LkXVaF0","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaf016d21e1b936ca4a7c40d2a98294454600eeee921d0c7ad7920dd2c8d32b6b. 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/1FX8HFMxzPf9fL5LkXVaF0.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/1FX8HFMxzPf9fL5LkXVaF0.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4a84fc2a659aa325d006c34676ff319623e517db0e87033cc8e480168f8115d0. 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/4HFatoTh45orIuCVkEZvlX.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/4HFatoTh45orIuCVkEZvlX.
{"copyright_id":"0x7a0e092b05d91cd2ba2c6b7d7f8dece847bc8b65b25625b3a6644787eb930c78","isrc":"QZES82356862","name":"Resurrection Of Hell","registered_at":"2026-06-27T12:06:29Z","spotify_id":"0ReiIXdBueSOoL2oUBEuCm","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7a0e092b05d91cd2ba2c6b7d7f8dece847bc8b65b25625b3a6644787eb930c78. 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/0ReiIXdBueSOoL2oUBEuCm.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/0ReiIXdBueSOoL2oUBEuCm.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x93df473a1d6a7b7ea72da609341b264b02615267550429bd23e697b59c9685d9. 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/19Onra7RiJYAmfnAqe2FRi.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/19Onra7RiJYAmfnAqe2FRi.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5c688a51780aab22d9d5054655aa4ee4e827510fb46172a3967784b67a516714. 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/2Jjoy7deIs6TiHvlCJhxX6.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/2Jjoy7deIs6TiHvlCJhxX6.
{"copyright_id":"0x6de9191593b98a141c13b69bb3aee0b3fe66d91affa77a26906bf7dcb65e0468","isrc":"GBBVL2306422","name":"Chaos Dimensions","registered_at":"2026-06-24T21:16:20Z","spotify_id":"63f4aO6ffeS7iskxSKTqjI","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6de9191593b98a141c13b69bb3aee0b3fe66d91affa77a26906bf7dcb65e0468. 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/63f4aO6ffeS7iskxSKTqjI.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/63f4aO6ffeS7iskxSKTqjI.
{"copyright_id":"0xa6c6163d928a499e3b70ebde83f587ed13045921aaf3f650ecae8d3bfcb4c439","isrc":"GBBVL2306423","name":"Emperor's Tarot","registered_at":"2026-06-24T19:19:46Z","spotify_id":"3We8X1WW0QJlNY1Y0kOXhO","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa6c6163d928a499e3b70ebde83f587ed13045921aaf3f650ecae8d3bfcb4c439. 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/3We8X1WW0QJlNY1Y0kOXhO.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/3We8X1WW0QJlNY1Y0kOXhO.
{"copyright_id":"0x088da684a0987491573f82bb5d0ac2565175584ecc3fc9a9f34eab4d45731bf1","isrc":"GBBVL2306424","name":"The Silent Order","registered_at":"2026-06-24T19:19:42Z","spotify_id":"3thOsuCFtr5VUKFIhyG1Gi","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x088da684a0987491573f82bb5d0ac2565175584ecc3fc9a9f34eab4d45731bf1. 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/3thOsuCFtr5VUKFIhyG1Gi.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/3thOsuCFtr5VUKFIhyG1Gi.
{"copyright_id":"0xf7e148a09582e264c324c60b19d9e28cc2681b3100d6ec1848d74338af54bc74","isrc":"QZTRX2281571","name":"Talisman of Anaroch","registered_at":"2026-06-27T12:03:30Z","spotify_id":"4MQCv4TtstKyW0xialASsc","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf7e148a09582e264c324c60b19d9e28cc2681b3100d6ec1848d74338af54bc74. 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/4MQCv4TtstKyW0xialASsc.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/4MQCv4TtstKyW0xialASsc.
{"copyright_id":"0xeeac3702d0dfd894946ab95e3ce81c7e55719e21fac5cb282fc37a24ac364454","isrc":"QZTRX2281573","name":"V Inferno","registered_at":"2026-06-23T13:06:34Z","spotify_id":"6u0dxH2oJ8cxiymhlIbPSO","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeeac3702d0dfd894946ab95e3ce81c7e55719e21fac5cb282fc37a24ac364454. 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/6u0dxH2oJ8cxiymhlIbPSO.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/6u0dxH2oJ8cxiymhlIbPSO.
{"copyright_id":"0x77a3205a78c7ddbbaadb45fd680d10aff6da2a965e88707af21324b7a6413c54","isrc":"QZS632168017","name":"Scarlet king","registered_at":"2026-06-11T15:30:45Z","spotify_id":"7ukPasyocXt9SQL25OPvyl","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x77a3205a78c7ddbbaadb45fd680d10aff6da2a965e88707af21324b7a6413c54. 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/7ukPasyocXt9SQL25OPvyl.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/7ukPasyocXt9SQL25OPvyl.
{"copyright_id":"0x2296724873afe5cd9ae90769cd3667fa247c517acb7e117331afb8d910c7d20d","isrc":"NLCK41089167","name":"The Lords Of Terror - Original","registered_at":"2026-06-20T00:57:06Z","spotify_id":"2c3RDGNKnzz19HvlvIyqgN","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2296724873afe5cd9ae90769cd3667fa247c517acb7e117331afb8d910c7d20d. 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/2c3RDGNKnzz19HvlvIyqgN.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/2c3RDGNKnzz19HvlvIyqgN.
Kingdom of Shadow - Kenny Campbell Bass & Breaks Remix
No Time for Obediance in a Wrong Society
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc8ff29e9390f6385707a81964d2000ee8ad5b3884570caf0fbfba1c7758a7e1d. 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/62wd1Ul6QOER6SXHHRcuPD.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/62wd1Ul6QOER6SXHHRcuPD.