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 0xc73a6d374fa3c1b67ccbb02c9e2aa92fbdae8be9ed8dbfeed51d9b7f72b1af02. 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/c591f297-d9e1-43a3-bf9f-9a070f0c1def.json and https://artists.proofprofile.net/proofs/artist/c591f297-d9e1-43a3-bf9f-9a070f0c1def.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 0x667f279b50f68fd1ca30c8713a786283e9a31785e73b00eb13fee49f328dd301. 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/4wgjs1mtES87PouvPpv8lu.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/4wgjs1mtES87PouvPpv8lu.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc4788ed59755c550275f8b72645f492b20d34fce6e5afd97f96528a8a9d009bf. 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/05nhmBcM1h7cqebiWhSxyS.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/05nhmBcM1h7cqebiWhSxyS.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf6f1c9dcca47c6f44f62990425e606978b164e97bfa45991d8b3ebf529fbc368. 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/0I9eW8OclxK1DO7v0l85RQ.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/0I9eW8OclxK1DO7v0l85RQ.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1a3baf044c75c749a9228366890b3b9aee3c6db86e7e2341f82ae4734f9a39de. 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/5qa2eHjXi8efmfsnptnhTC.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/5qa2eHjXi8efmfsnptnhTC.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x09f7a108f5f40c8e0a7f8f81df5cb09c1ea89836a82a251f65db097f53810c27. 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/7gRVqA9HaZixy9oOi5iZf9.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/7gRVqA9HaZixy9oOi5iZf9.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb42d2fa4d01693135f04ff8e879df1ef10c3cc85135254b4f71009e321f50809. 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/7q7HpL31h49LCHW8I6uNz1.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/7q7HpL31h49LCHW8I6uNz1.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd923d4190a3988eed540f9639a96392cb2def93ca5b782ddf5bf03b1b65f7198. 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/1v8C2Xry3F8P0elYHyfCQp.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/1v8C2Xry3F8P0elYHyfCQp.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4591e3cb007351767d8b195cbb8e237db732dad6108b6fcc283a9f2450c7a745. 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/6dUl4s9spY1q8ZdpMgzB2L.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/6dUl4s9spY1q8ZdpMgzB2L.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x25951e58550ab0001b7f52fbafe1487e48ff5b8ca1c37e85c19d163efa732ec8. 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/67PffriGk1Au3PwcDs6tiZ.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/67PffriGk1Au3PwcDs6tiZ.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1292eb8081bdaa5fa8f21ae779a7ad97de51c65e3ab24be354b0981f52b2a024. 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/5sUcIgbOGE6s5FLFVLInb4.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/5sUcIgbOGE6s5FLFVLInb4.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2b3cb0b06cb283cdf03d56265dee9a64ae8a3a384ed637614ed267a01ac02aa6. 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/62dTwFuRV8atPjpE8mu4Hk.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/62dTwFuRV8atPjpE8mu4Hk.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x36a1d72f025fbeb1b12766df21981de4b97b4afb81dd3dd93f6094e4313512c0. 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/0fUVOzs3sCS56MzwCpX9gy.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/0fUVOzs3sCS56MzwCpX9gy.
{"copyright_id":"0x0c1e9cca50e5ad92219637ec96d8400aa71badc23c1acaeeb0c83ba2602733ad","isrc":"NLFX52100042","name":"Mijn Blok","registered_at":"2026-06-18T21:01:13Z","spotify_id":"5wKroffGvdkmirL1Fux2XK","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0c1e9cca50e5ad92219637ec96d8400aa71badc23c1acaeeb0c83ba2602733ad. 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/5wKroffGvdkmirL1Fux2XK.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/5wKroffGvdkmirL1Fux2XK.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9df787ff8cfacee7683a67725fb7999e913b75f35396b05a151eb2f3c4f7a21b. 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/7FpaTQtn5HPGSIQZu6VK7N.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/7FpaTQtn5HPGSIQZu6VK7N.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcf4ba3583f993b2808a39b1619fcc8c49a126a13a6517fcb9f3ff1901a61838b. 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/2zasg2r4YX4xZBBTZg2zOW.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/2zasg2r4YX4xZBBTZg2zOW.
{"copyright_id":"0xc2d0eacd997afe52ba1c6e8c9201be0c984e04edf008f8a089580b79877c4a13","isrc":"NLFX52100020","name":"Rovers & Dealers","registered_at":"2026-06-10T22:57:55Z","spotify_id":"3cNtkwrbDb6y4rUm7crcE8","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc2d0eacd997afe52ba1c6e8c9201be0c984e04edf008f8a089580b79877c4a13. 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/3cNtkwrbDb6y4rUm7crcE8.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/3cNtkwrbDb6y4rUm7crcE8.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x34d4d28502c13d8b7e2432f165b6ad2ba9117a492bd05e796f1ee29ced5915a0. 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/78ZakdCjxZTLgOIbJxa2rs.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/78ZakdCjxZTLgOIbJxa2rs.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x549ed908042c684206179d7167e1de9352208086a79b28ae26311e25a8c9a41b. 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/0sToeWvV9AwHyO6OlWCmg2.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/0sToeWvV9AwHyO6OlWCmg2.
{"copyright_id":"0xc4a516f579d88b688ef35bf38c9e0f0248cab2a80dbcf39aa165734cbbef750c","isrc":"NLFX52100023","name":"One Shot","registered_at":"2026-06-11T23:28:39Z","spotify_id":"4cQfUdp5a0FUkiTVHF1Xjc","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc4a516f579d88b688ef35bf38c9e0f0248cab2a80dbcf39aa165734cbbef750c. 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/4cQfUdp5a0FUkiTVHF1Xjc.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/4cQfUdp5a0FUkiTVHF1Xjc.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4fb49efa9329ec2b659b49e0ee9d5a2b5f326a513c0900300b3f66e0d6e2de66. 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/7iWadl40nBwXNNF6oIjHn5.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/7iWadl40nBwXNNF6oIjHn5.
{"copyright_id":"0xb0f2dbbb40511b8c26aafd420284a74d8e4a4e644ef5ca6782adcf8c917a141a","isrc":"NLFX52100027","name":"Geen Spijt","registered_at":"2026-06-26T04:35:55Z","spotify_id":"1utJgqq7TXNYBiXPMPnJZ5","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb0f2dbbb40511b8c26aafd420284a74d8e4a4e644ef5ca6782adcf8c917a141a. 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/1utJgqq7TXNYBiXPMPnJZ5.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/1utJgqq7TXNYBiXPMPnJZ5.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3ed2069129bc17fbc9125177943d2f1727eb992496f7ed179dea3b6343a2c659. 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/3GPMqFpVOuPyH7liP48KVL.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/3GPMqFpVOuPyH7liP48KVL.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x98b4a3ebb2ada2e87857677173f55eb20f106162c7978bf069703bafa305a69f. 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/68iMhBQVEdvpNhG1zi5MJK.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/68iMhBQVEdvpNhG1zi5MJK.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd093ae0b176488e8c9df99365307d2e1329c9d081faea0ef2f8e3a7df2b3d639. 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/6eEiqI89d5UzoUFlUhgCmg.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/6eEiqI89d5UzoUFlUhgCmg.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8b44e2acaedd84a0d34986bbf926d9a178dd5302e13309525a2eabc7cb380c54. 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/3J0UeabcXxjHmtP8jToKcz.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/3J0UeabcXxjHmtP8jToKcz.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x630a906402b688214662453dc4a2936005945d75b55abc5d8a313651187d2806. 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/47qdeA5dgjnty68QaDlwvJ.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/47qdeA5dgjnty68QaDlwvJ.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x331fc80c159777e91d17af99f8f938454bb5b0125e21e7d09a26e45d4361c84d. 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/0pdjzHhfh8opYZHhA4iejf.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/0pdjzHhfh8opYZHhA4iejf.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x84885a9bd0ef819630417cd48b40e75e19d2fdd7ea9516e862f71545340ec348. 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/6dRZTF8GcB3gq7d8C4Ykej.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/6dRZTF8GcB3gq7d8C4Ykej.
{"copyright_id":"0x1a3baf044c75c749a9228366890b3b9aee3c6db86e7e2341f82ae4734f9a39de","isrc":"NLFX52100032","name":"Naar De Top","registered_at":"2026-06-11T17:21:44Z","spotify_id":"4zqXBCHlPLGgFLyXtQ4UHX","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1a3baf044c75c749a9228366890b3b9aee3c6db86e7e2341f82ae4734f9a39de. 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/4zqXBCHlPLGgFLyXtQ4UHX.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/4zqXBCHlPLGgFLyXtQ4UHX.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4591e3cb007351767d8b195cbb8e237db732dad6108b6fcc283a9f2450c7a745. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4DRqruVAOqdzZaa9gZ8mUW.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/4DRqruVAOqdzZaa9gZ8mUW.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x25951e58550ab0001b7f52fbafe1487e48ff5b8ca1c37e85c19d163efa732ec8. 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/4TUilsiwqstQ1sgf5MfptZ.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/4TUilsiwqstQ1sgf5MfptZ.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4591e3cb007351767d8b195cbb8e237db732dad6108b6fcc283a9f2450c7a745. 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/4XKIkpbS6h5qbt7wKYiAAf.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/4XKIkpbS6h5qbt7wKYiAAf.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x25951e58550ab0001b7f52fbafe1487e48ff5b8ca1c37e85c19d163efa732ec8. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2Y7bwjRdO5dLcMieztYXAZ.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/2Y7bwjRdO5dLcMieztYXAZ.