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 0xfbbe1646c2ab1c74c85674696b2eef77fbfd5c69c1c3cd153248855f6458fd47. 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/43f8dd86-d798-4489-b9b9-1785277c193d.json and https://artists.proofprofile.net/proofs/artist/43f8dd86-d798-4489-b9b9-1785277c193d.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
{"copyright_id":"0x35073ccee401cd6e84cb27b2ffe2267b3d5bbf7ba502b132f7b9aa6299f970f4","isrc":"GBPVV2400477","name":"ALL MY PEOPLE - Edit","registered_at":"2026-06-04T11:01:36Z","spotify_id":"1BX9aPJoLvxTJsKn7xMSKz","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 0x35073ccee401cd6e84cb27b2ffe2267b3d5bbf7ba502b132f7b9aa6299f970f4. 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/1BX9aPJoLvxTJsKn7xMSKz.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/1BX9aPJoLvxTJsKn7xMSKz.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5ec37203239788816720d892e75a498da5841568056b39c64761d15a07557341. 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/0r56lpZulrcqJxi0kA9wM2.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/0r56lpZulrcqJxi0kA9wM2.
{"copyright_id":"0xef69491cf16bc115e0efb1c9479bbc89c907b5645192431fe9c7523cd37ac954","isrc":"GBEXH2401866","name":"Gedup (And Move Your Butt) - Mixed","registered_at":"2026-06-20T04:03:06Z","spotify_id":"0xVq2gfwXu0ejo7sq5sT94","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xef69491cf16bc115e0efb1c9479bbc89c907b5645192431fe9c7523cd37ac954. 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/0xVq2gfwXu0ejo7sq5sT94.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/0xVq2gfwXu0ejo7sq5sT94.
10 Years Love On The Rocks - Sky Is The Limit
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xab7179b0cf092b52bb6bbed6c3f1ff56a39edb29f578a665161b790522511d33. 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/0psWTzbPjsSaYguz6eNINX.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/0psWTzbPjsSaYguz6eNINX.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x885ae02fa5de36a8711517bd00db40da3a3c450b2871b6680a06d2dda72049f8. 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/02Gcf9vMb1TeoASqz1z8s1.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/02Gcf9vMb1TeoASqz1z8s1.
{"copyright_id":"0xd6a67716a7d56d402de3d774d54060d1ca075e9cbc35e357c3da1c5da087100d","isrc":"GBUM72406630","name":"All My People - ctrinn Remix","registered_at":"2026-06-04T11:20:43Z","spotify_id":"4HugszlnJcv3GTdkFCEUFa","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd6a67716a7d56d402de3d774d54060d1ca075e9cbc35e357c3da1c5da087100d. 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/4HugszlnJcv3GTdkFCEUFa.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/4HugszlnJcv3GTdkFCEUFa.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5ec37203239788816720d892e75a498da5841568056b39c64761d15a07557341. 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/4D2uwdLAEY68e2soKGNNul.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/4D2uwdLAEY68e2soKGNNul.
{"copyright_id":"0x35073ccee401cd6e84cb27b2ffe2267b3d5bbf7ba502b132f7b9aa6299f970f4","isrc":"GBPVV2400477","name":"ALL MY PEOPLE - Edit","registered_at":"2026-06-04T11:01:36Z","spotify_id":"6fCFQzulnipq5gufAzEcQE","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x35073ccee401cd6e84cb27b2ffe2267b3d5bbf7ba502b132f7b9aa6299f970f4. Chain 2 (Bitcoin): anchored in block 957041 (2026-07-07T13:25:45Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6fCFQzulnipq5gufAzEcQE.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/6fCFQzulnipq5gufAzEcQE.
{"copyright_id":"0x52a465d12a9866db1c877d4e53186cb888698e94f50ca6b6d8aba96fbf3a151e","isrc":"GBUM72407559","name":"All My People - Denham Audio Remix","registered_at":"2026-06-18T19:54:49Z","spotify_id":"7DCe5FBxNioDJ4rqPJPdND","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x52a465d12a9866db1c877d4e53186cb888698e94f50ca6b6d8aba96fbf3a151e. 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/7DCe5FBxNioDJ4rqPJPdND.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/7DCe5FBxNioDJ4rqPJPdND.
{"copyright_id":"0x35073ccee401cd6e84cb27b2ffe2267b3d5bbf7ba502b132f7b9aa6299f970f4","isrc":"GBPVV2400477","name":"ALL MY PEOPLE - Edit","registered_at":"2026-06-04T11:01:36Z","spotify_id":"0Ga4B6t4ONgogYrpaMVigh","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x35073ccee401cd6e84cb27b2ffe2267b3d5bbf7ba502b132f7b9aa6299f970f4. 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/0Ga4B6t4ONgogYrpaMVigh.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/0Ga4B6t4ONgogYrpaMVigh.
{"copyright_id":"0x303bc1d2bf2d739aeea91f69f04b52bb56f6f93dfa3046e70578c9d0f5a005d7","isrc":"GBUM72407766","name":"All My People - Silva Bumpa Remix","registered_at":"2026-06-05T15:07:29Z","spotify_id":"3JNs8UEqHhv0TA0FBggRig","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x303bc1d2bf2d739aeea91f69f04b52bb56f6f93dfa3046e70578c9d0f5a005d7. 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/3JNs8UEqHhv0TA0FBggRig.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/3JNs8UEqHhv0TA0FBggRig.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5ec37203239788816720d892e75a498da5841568056b39c64761d15a07557341. 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/6JIoEVRcVGK5kExcERwBES.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/6JIoEVRcVGK5kExcERwBES.
{"copyright_id":"0x35073ccee401cd6e84cb27b2ffe2267b3d5bbf7ba502b132f7b9aa6299f970f4","isrc":"GBPVV2400477","name":"ALL MY PEOPLE - Edit","registered_at":"2026-06-04T11:01:36Z","spotify_id":"5NjaF8ZRdp2lFcNCQKM9f3","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x35073ccee401cd6e84cb27b2ffe2267b3d5bbf7ba502b132f7b9aa6299f970f4. 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/5NjaF8ZRdp2lFcNCQKM9f3.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/5NjaF8ZRdp2lFcNCQKM9f3.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf789f3441436d6e014729636e598cc7cf1225c07c9c8b1908f7ecda7b6fe0d61. 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/3FvNYZ2GEV72vkmDq0gQV6.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/3FvNYZ2GEV72vkmDq0gQV6.
{"copyright_id":"0x01203bce9bad5e8203aaa65fdd54d64801ebd7e74b36ef0dbfaf2adea9f11b89","isrc":"GBUM72406643","name":"All My People - ctrinn Extended Remix","registered_at":"2026-06-28T04:15:50Z","spotify_id":"3gZcO5Rh87ij6EHAKdwpZb","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x01203bce9bad5e8203aaa65fdd54d64801ebd7e74b36ef0dbfaf2adea9f11b89. 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/3gZcO5Rh87ij6EHAKdwpZb.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/3gZcO5Rh87ij6EHAKdwpZb.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5ec37203239788816720d892e75a498da5841568056b39c64761d15a07557341. 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/06a9L9ZusNQYhvaRAJqTZd.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/06a9L9ZusNQYhvaRAJqTZd.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc2693554057ad452d6ac8ba1437da234e1bf410514c35f8952aaf6a3132753fa. 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/59t3YF0hB38aK0FgyqkUu9.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/59t3YF0hB38aK0FgyqkUu9.