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 0xaf1cc190c4c656aeaa83fbcea28f8e206c592c16092eaad182eb90c503098aa8. 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/a9804323-343c-4a9a-8fce-f6b7a89510e4.json and https://artists.proofprofile.net/proofs/artist/a9804323-343c-4a9a-8fce-f6b7a89510e4.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
{"copyright_id":"0xafc45f997314e99ed7146afe1abdfadb0a2d3dea860c82cef444b1b7bba76667","isrc":"GBARL1400471","name":"The Chased","registered_at":"2026-06-18T14:19:28Z","spotify_id":"2MxjJldXH0aNaRIzD58gwq","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 0xafc45f997314e99ed7146afe1abdfadb0a2d3dea860c82cef444b1b7bba76667. 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/2MxjJldXH0aNaRIzD58gwq.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/2MxjJldXH0aNaRIzD58gwq.
{"copyright_id":"0x43160e8f1b2f6e71f7f5518a03aea52b9908637dba1c9c4be7d7197aa7cf15f0","isrc":"GBARL1400472","name":"Stay Inside - The Internet Remix","registered_at":"2026-06-06T23:49:13Z","spotify_id":"63lESekLwG2qmA6yqaRVAJ","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x43160e8f1b2f6e71f7f5518a03aea52b9908637dba1c9c4be7d7197aa7cf15f0. 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/63lESekLwG2qmA6yqaRVAJ.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/63lESekLwG2qmA6yqaRVAJ.
{"copyright_id":"0x3d50e9dda71c125070918bc86fe9e22b6e9d43d57970d91fb1add6ab50eb1fc4","isrc":"GBARL1400473","name":"Stronger Than Ever - The Internet Remix","registered_at":"2026-06-08T19:41:21Z","spotify_id":"5wnr5XbLzsd3v7X6nyL4Lm","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3d50e9dda71c125070918bc86fe9e22b6e9d43d57970d91fb1add6ab50eb1fc4. 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/5wnr5XbLzsd3v7X6nyL4Lm.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/5wnr5XbLzsd3v7X6nyL4Lm.
{"copyright_id":"0xcfb1528c5e4101a72965287e88342ba047de64ee5135e753a556f3bdf98db46a","isrc":"GBARL1400474","name":"Overdose - The Internet Remix","registered_at":"2026-06-07T19:40:38Z","spotify_id":"4KbhgBpAAWWEdq0AvOBqOh","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcfb1528c5e4101a72965287e88342ba047de64ee5135e753a556f3bdf98db46a. 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/4KbhgBpAAWWEdq0AvOBqOh.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/4KbhgBpAAWWEdq0AvOBqOh.
{"copyright_id":"0x721a6f63be9d566134d89936dcb5e365a2b22a5aff5e30871e342abf11c580b4","isrc":"GBARL1400475","name":"Free Fall - The Internet Remix","registered_at":"2026-06-08T19:42:07Z","spotify_id":"4v3vtcFt39A1DpbgAvFysa","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x721a6f63be9d566134d89936dcb5e365a2b22a5aff5e30871e342abf11c580b4. 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/4v3vtcFt39A1DpbgAvFysa.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/4v3vtcFt39A1DpbgAvFysa.
{"copyright_id":"0xe47ad0fe6f2a69b6f1cfc988e0f4c3ac1c99a31484e7ce9fa87befb1af793218","isrc":"GBARL1401483","name":"You Make it Worse","registered_at":"2026-06-29T05:16:34Z","spotify_id":"0rtJnJ8rAqEqMNhJ8ATsv4","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe47ad0fe6f2a69b6f1cfc988e0f4c3ac1c99a31484e7ce9fa87befb1af793218. 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/0rtJnJ8rAqEqMNhJ8ATsv4.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/0rtJnJ8rAqEqMNhJ8ATsv4.
The Greatest (feat. Tempa T, Stormzy & Ghetts) - Star.One Remix
Stronger Than Ever (HungerTV Dirty Live/HOOK LDN)
Stronger Than Ever - HungerTV Dirty Live/HOOK LDN
Lonely Summer (Taken from the "Napapijri 4 Seasons" campaign)
Lonely Summer (Taken from the "Napapijri 4 Seasons" Campaign)
{"copyright_id":"0xafb974bf66793fb57f31508df92e3d5df9eb62e383f5d26fe9dc2d870a4ecefd","isrc":"US23A1500600","name":"Lonely Summer (Taken from the \"Napapijri 4 Seasons\" Campaign)","registered_at":"2026-06-29T05:18:58Z","spotify_id":"0yRfyNqB9UK2zWDx8sPJYZ","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xafb974bf66793fb57f31508df92e3d5df9eb62e383f5d26fe9dc2d870a4ecefd. 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/0yRfyNqB9UK2zWDx8sPJYZ.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/0yRfyNqB9UK2zWDx8sPJYZ.
Time in a Tree (Live from Angel Studios, London, 2019)
Time in a Tree - Live from Angel Studios, London, 2019
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3f2fe5ee9c7d977f9b3312e33bd4ec916e689c606bbab37cdeb5001eec11dc91. 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/22dFLZtw7uOkgL2kSk1GWJ.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/22dFLZtw7uOkgL2kSk1GWJ.
Above and Below (Rough and Ready Version)
Bad Place (Taken from the Motion Picture ‘Just Jim’)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x10ced69911e5f6af47495b2a369ed6782bdcad6ab10545556032e222b188838b. 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/5Av8j6eziJuButfyEU8ILE.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/5Av8j6eziJuButfyEU8ILE.
You’re a Man Now, Boy (Live from the O2)