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 0xebf442e80c59c784ff4fcce4c7635f4713e0233f1053aff22228ebbc4da6b804. 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/deb084ff-b2c7-4e6c-9e33-a17011d6ca32.json and https://artists.proofprofile.net/proofs/artist/deb084ff-b2c7-4e6c-9e33-a17011d6ca32.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
{"copyright_id":"0x66ddaf5fdc494d5bcfbe93ed01a1deaf66c9d9650d3d2f91da0171c7f7f7e039","isrc":"GBGSV1200256","name":"Underneath the Dancefloor","registered_at":"2026-06-24T11:10:16Z","spotify_id":"42oksnthYu3nrfLwMfkYqv","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 0x66ddaf5fdc494d5bcfbe93ed01a1deaf66c9d9650d3d2f91da0171c7f7f7e039. Chain 2 (Bitcoin): anchored in block 956474 (2026-07-03T08:56:35Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/42oksnthYu3nrfLwMfkYqv.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/42oksnthYu3nrfLwMfkYqv.
Another Witnessed by Resolution - Original Mix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x77f5b540a49e142b1c7925276f6fc4d69c00846c413e6d210f01dd2eddbc8684. 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/7AcSEVxzOM9a1VRV1n9v2L.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/7AcSEVxzOM9a1VRV1n9v2L.
{"copyright_id":"0x077b9caab58cfdd450f61d8039c2e279138486b0d8a1007ceffaa77fa7b10a76","isrc":"DEG932002183","name":"Resist - John Talabot Remix","registered_at":"2026-06-26T21:09:36Z","spotify_id":"4zqFB2knS2vuKz5MFWL1PT","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x077b9caab58cfdd450f61d8039c2e279138486b0d8a1007ceffaa77fa7b10a76. 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/4zqFB2knS2vuKz5MFWL1PT.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/4zqFB2knS2vuKz5MFWL1PT.
Black Mill Tapes Vol. 4: Dystopian Vectors
Black Mill Tapes Vol. 2: Do You Synthesize?
Electronic Rhythm Number Eighteen (retransferred by The Advisory Circle)
Black Mill Tapes Vol. 3: All Pathways Open
Love Comes In Waves - Pye Corner Audio Remix
Indica - Pye Corner Audio Remix - Glok Re-Edit
Simulation Cult - Alessandro Cortini Remix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1b7527814c33d9417ed2eacb6d800d7f8e770293db74492092ebfd397b8903c3. Chain 2 (Bitcoin): anchored in block 956422 (2026-07-03T01:01:38Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5AJmzETEUkGowa4fXst5bS.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/5AJmzETEUkGowa4fXst5bS.
Self Synchronise - Lord Of The Isles Remix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1b7527814c33d9417ed2eacb6d800d7f8e770293db74492092ebfd397b8903c3. 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/4dlXb7RffFEtqKisaMG1WZ.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/4dlXb7RffFEtqKisaMG1WZ.
{"copyright_id":"0xe1da88b11bcdbd024902c75bc764219e4d3d168152bdccbd3c260f218918b0a0","isrc":"DEG932405917","name":"Self Synchronise","registered_at":"2026-06-29T01:37:26Z","spotify_id":"5d0kduwHyzPOmShFjc5njH","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe1da88b11bcdbd024902c75bc764219e4d3d168152bdccbd3c260f218918b0a0. 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/5d0kduwHyzPOmShFjc5njH.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/5d0kduwHyzPOmShFjc5njH.
{"copyright_id":"0xa908cc497a899bdef072fce6aaeb1feef8196033826dfbcc8da8200dbcf17fe7","isrc":"DEG932405919","name":"Comms Down","registered_at":"2026-06-29T01:30:09Z","spotify_id":"3nd8qp6mJ4kVXkGuyOfNVN","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa908cc497a899bdef072fce6aaeb1feef8196033826dfbcc8da8200dbcf17fe7. 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/3nd8qp6mJ4kVXkGuyOfNVN.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/3nd8qp6mJ4kVXkGuyOfNVN.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x58af24f82d7f7dc9561cd130de5fa2327a9ed031afded8efa79188d3f041f179. 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/3qHqJ8f2z3cOpcEM9bblLB.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/3qHqJ8f2z3cOpcEM9bblLB.
{"copyright_id":"0x66ddaf5fdc494d5bcfbe93ed01a1deaf66c9d9650d3d2f91da0171c7f7f7e039","isrc":"GBGSV1200256","name":"Underneath The Dancefloor - mixed","registered_at":"2026-06-24T11:10:16Z","spotify_id":"5tASc4TwqOv72VAnzwzZuZ","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x66ddaf5fdc494d5bcfbe93ed01a1deaf66c9d9650d3d2f91da0171c7f7f7e039. 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/5tASc4TwqOv72VAnzwzZuZ.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/5tASc4TwqOv72VAnzwzZuZ.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xda67a9877a5a0231dfd4af5971e3c106a5610417c7674d44225b9a1ab2054487. 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/5AvWrWhHnL2IBXaJBBQrE7.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/5AvWrWhHnL2IBXaJBBQrE7.
Sputnik Swimming - Pye Corner Audio Remix
Zeweed 02 (Green Culture by Zeweed Magazine)