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 0x27dbe9f6140f670adf1d07e3269a22bcbe89e6b8f3ae7032c8a19180d42710d5. 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/7828db4e-1d65-418f-9751-2f25eadb7437.json and https://artists.proofprofile.net/proofs/artist/7828db4e-1d65-418f-9751-2f25eadb7437.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
God Rest Ye Merry Gentlemen. - Instrumental Mix
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 0x8263cc6306796ad106b5d1880db4f2709de4580af704f95e7392b6a5262e6669. 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/6aeMzBoVMhLJ9bHaetl81O.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/6aeMzBoVMhLJ9bHaetl81O.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x852fa24c11702ef54f61e1f6698296f916e1bfc6670b2048f8e009218409ee9c. 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/6S2Uoq4dxhWzzuMHnqQvv2.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/6S2Uoq4dxhWzzuMHnqQvv2.
{"copyright_id":"0x12c929d12bbdc77bddd6aca52c468ac94a1049eda6dd1e43e063160c2173720e","isrc":"USANG2489676","name":"New Traditions","registered_at":"2026-06-18T09:54:35Z","spotify_id":"70NFl9ofmSyD85BwSYU9kZ","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x12c929d12bbdc77bddd6aca52c468ac94a1049eda6dd1e43e063160c2173720e. 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/70NFl9ofmSyD85BwSYU9kZ.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/70NFl9ofmSyD85BwSYU9kZ.
{"copyright_id":"0xed29e05ec2f6de79a08d7adebcb368a5c2e9df96fb20b113df77ee6e87dbec3b","isrc":"QZN882231958","name":"You Don't Have To Explain Yourself","registered_at":"2026-06-06T05:25:30Z","spotify_id":"5lZ7wLAkJC73ncTZiD5E8q","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xed29e05ec2f6de79a08d7adebcb368a5c2e9df96fb20b113df77ee6e87dbec3b. 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/5lZ7wLAkJC73ncTZiD5E8q.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/5lZ7wLAkJC73ncTZiD5E8q.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x351c082b80d65b1e7de800cbb27c101a70fd0485210ce07693f54bc3c10731b7. 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/7EP1jXycF0JKWO50eD5Y58.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/7EP1jXycF0JKWO50eD5Y58.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3a26d89113471f7ab3866505703c755e7356975c29469a4c6a1d7d8953f1dca7. 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/4QLmqKPMxwwPH9VgXhdw52.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/4QLmqKPMxwwPH9VgXhdw52.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd13855d7d1960fe2083677254581d414d1e0f3d196a59fcd2e01c22d62af804e. 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/2ugTMmn6H166ivXhQWsRjA.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/2ugTMmn6H166ivXhQWsRjA.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x14a1d4e8715335d02c4e9a8834f93258ddebddefc7f2001a5b676133a9e49def. 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/38cbr4EAhLkc4WkXYyijFB.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/38cbr4EAhLkc4WkXYyijFB.
Mellow Dreams 4 - Chill Beats Compilation
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2510a3ed46acd6d3c6a5cea6e931f070b450e30a95956fd94914ba00cb0db7f7. 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/5ZneWdy4S5INgKW80cPkgf.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/5ZneWdy4S5INgKW80cPkgf.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x02c902beec8ee0708b7ea61322564b121a0bbaaea823d5b86a92965b9dcae321. 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/5AXPEgKy7JVRG3IhW5rg5h.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/5AXPEgKy7JVRG3IhW5rg5h.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcd12e59e4277f2db262b74104b3764b85de7d8d1f31d644585a886236d7d78cc. 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/3GV8xYEARCyyoCbDl2BzuA.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/3GV8xYEARCyyoCbDl2BzuA.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb181cc46ea911a785c94ae559ebbb372d66e81f55524436f0ad3ac8eacb5f6d9. 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/1qBHiUNw3TIC1xsV2B4Xdx.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/1qBHiUNw3TIC1xsV2B4Xdx.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xec34e0e141ed52343ce88c84354a9e60b21a1b1c15aa399b0a801d72001516d0. 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/2J8vZSzYdiZxUBweZzWkmU.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/2J8vZSzYdiZxUBweZzWkmU.