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 0xa7a353dc25fb1c6b263c88b3d90a659ac4898ab33df318769a5b75c92ca8a13b. 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/8a877a95-5cbf-46f9-8a44-1dafce1830db.json and https://artists.proofprofile.net/proofs/artist/8a877a95-5cbf-46f9-8a44-1dafce1830db.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 0x25de218ec8de342548326d5d8fc2d03530100ee3d7c822e405d3a506f0280c9a. 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/39SIsmGBuUYjtDaAqlJPWf.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/39SIsmGBuUYjtDaAqlJPWf.
{"copyright_id":"0xfdf6ffe9c29d393a60d4b047e963e9f4084674d7d01bd370c16928213c837ea0","isrc":"UK34N1800029","name":"XTC IV - Kornél Kovács Remix","registered_at":"2026-06-24T18:16:37Z","spotify_id":"0VZiCXR7HyWzwWxrxZUSmm","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfdf6ffe9c29d393a60d4b047e963e9f4084674d7d01bd370c16928213c837ea0. 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/0VZiCXR7HyWzwWxrxZUSmm.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/0VZiCXR7HyWzwWxrxZUSmm.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5dc89395c16a4325355b955f614b78bf37c7c2049db79aa50e5fe7a40382e46c. 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/0gqfT3tZPTLJWNuA5SYBSN.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/0gqfT3tZPTLJWNuA5SYBSN.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x988ae0817740b4d1f20203e9e72359e20bb5ba22d42bb72e8fd083bdb9cd6877. 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/3Og4NDOebtpjGN4HcuZpwj.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/3Og4NDOebtpjGN4HcuZpwj.
A.I. Rising (Opening Title / X-COAST Remix)
A.I. Rising - Opening Title / X-COAST Remix
A.I. Rising - Opening Title / Method of Self Destruction / X-COAST Remix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd84972b059674ec82819b14c20b300f02608389fe14cf090603e7217d45d0de4. 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/5dDOtrnF2JQrr4yrD5SRdV.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/5dDOtrnF2JQrr4yrD5SRdV.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd84972b059674ec82819b14c20b300f02608389fe14cf090603e7217d45d0de4. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/64hl1a2XsCnqCPI9n7JPIQ.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/64hl1a2XsCnqCPI9n7JPIQ.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc85c0d7f0659e26f1b8eeb0713b54ac143cc32dfba1706945a3149784e4e3d6c. 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/11AP4Endx2d1C5LaLyE4xX.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/11AP4Endx2d1C5LaLyE4xX.
{"copyright_id":"0x3f06f8495babd1aef24a1bdec7fb882855d950381297fd0b9bc90b4310ac4fd2","isrc":"UK34N1800341","name":"Narcotic Influence","registered_at":"2026-06-24T18:17:33Z","spotify_id":"1suaPUskBpADJda6vcXGpi","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3f06f8495babd1aef24a1bdec7fb882855d950381297fd0b9bc90b4310ac4fd2. 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/1suaPUskBpADJda6vcXGpi.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/1suaPUskBpADJda6vcXGpi.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8227a31ff145d1b6d57adb73118b1e9b954cf94e2c26450838051118a439ee20. Chain 2 (Bitcoin): anchored in block 956484 (2026-07-03T10:47:44Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5ie2qAOsK1wRfL3e8Gu88k.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/5ie2qAOsK1wRfL3e8Gu88k.
{"copyright_id":"0x4a6d9c576a322e50dd58af5843ca6c8dd1a1583102d23461b0b41bcfd07eb46a","isrc":"CBAUX2302303","name":"Miles Away - Mixed","registered_at":"2026-06-19T05:35:53Z","spotify_id":"6Ww0vmzVwzeZoNYPeYqv74","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4a6d9c576a322e50dd58af5843ca6c8dd1a1583102d23461b0b41bcfd07eb46a. 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/6Ww0vmzVwzeZoNYPeYqv74.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/6Ww0vmzVwzeZoNYPeYqv74.
Old Times (feat. Anabel Englund) - X-Coast Remix
Old Times (feat. Anabel Englund) [Remixes]
{"copyright_id":"0xad23a0cc1b3d69cf3dbb8f552f67e9717bac88cd201dc5c1dc8bce62858be80f","isrc":"USZ4V2300236","name":"Sticky - X-Coast Icky Mix","registered_at":"2026-06-25T09:55:58Z","spotify_id":"010EqSnQirrnrXhzVOpcdB","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xad23a0cc1b3d69cf3dbb8f552f67e9717bac88cd201dc5c1dc8bce62858be80f. 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/010EqSnQirrnrXhzVOpcdB.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/010EqSnQirrnrXhzVOpcdB.
{"copyright_id":"0xf83b4f28ecae8c5d8d8dc9af33db267d6029244ff1e0dbfa847bed33b3b9be42","isrc":"GBMVH2400190","name":"4eva - X-Coast remix","registered_at":"2026-06-07T07:00:00Z","spotify_id":"3sLht4TcaZ2e1aS2duS0Sl","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf83b4f28ecae8c5d8d8dc9af33db267d6029244ff1e0dbfa847bed33b3b9be42. 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/3sLht4TcaZ2e1aS2duS0Sl.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/3sLht4TcaZ2e1aS2duS0Sl.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8227a31ff145d1b6d57adb73118b1e9b954cf94e2c26450838051118a439ee20. 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/5VnUFL3jx5TVuBLb7gDZOe.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/5VnUFL3jx5TVuBLb7gDZOe.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb4251153ef6cfea7bc816441f0ada54493b19727bbb9a80610280b06e9de7989. 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/6EZ5p7Z2TAT8moFCDOrItI.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/6EZ5p7Z2TAT8moFCDOrItI.