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 0x96206a78b01186e661893422263b9f7926ae45b3be9571883808ec0f7566c8e4. 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/02b0a9e1-f834-4e61-800b-14f75c41dbec.json and https://artists.proofprofile.net/proofs/artist/02b0a9e1-f834-4e61-800b-14f75c41dbec.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 0xb5d105d0886baa4e34a0cd5b48a354c881bd94c13bd7236b6c92ec4525e35d57. 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/69BmYgYbgeaZaxyxskh8OV.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/69BmYgYbgeaZaxyxskh8OV.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0e4c8a48f57d466e7ddf8f2ef0f99442d52843d43741716c64829a86139af549. 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/1HA5xZikiRHVL6BZ6KXxNY.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/1HA5xZikiRHVL6BZ6KXxNY.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x67b7c3bdf7e3db10a3e732be795289350ffc2be5920773d6c112a597e4f7680c. 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/1xFiSbU1ubYtRPX6IPgC5n.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/1xFiSbU1ubYtRPX6IPgC5n.
*motel radio broadcast / God's Grace and running to win
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe192f3d1b856976a2ea049981296266dccad92e6ffca5343c48ce8d3eb81e641. 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/1i2l5sO3xJtKAmNIeQ2g0m.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/1i2l5sO3xJtKAmNIeQ2g0m.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x624f93edf2b3b55a5d874b7610a27809f478c6f746ac4b181e2548d0a55de4f1. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/16vCpmGftIPbqNZv5i5bjz.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/16vCpmGftIPbqNZv5i5bjz.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x85b33eed5290f91a1fc1dddbf157bfa606d765393b28bf831df89d6389e48fd5. 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/1hGGppw7x4F95XSt4CG7Q8.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/1hGGppw7x4F95XSt4CG7Q8.
{"copyright_id":"0xbbb80fda48e52ef8adb8c5e5ed355915821cbde6dd8f4d10e86106367771fcb7","isrc":"TCACG1558523","name":"Electric Raazors","registered_at":"2026-06-10T14:49:41Z","spotify_id":"1fAdJrLcZkM60PezCoPHm5","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbbb80fda48e52ef8adb8c5e5ed355915821cbde6dd8f4d10e86106367771fcb7. 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/1fAdJrLcZkM60PezCoPHm5.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/1fAdJrLcZkM60PezCoPHm5.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf7a4e4d568702796147d975d53fa995858554b6bda7b3679bf18a04ba4f71f1b. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4qmjQBSgKDfxycRNUSS3Uh.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/4qmjQBSgKDfxycRNUSS3Uh.
{"copyright_id":"0xe43f564ddb34933e7bb91775e028180cbb0e3e502c3abf7943a8e1b0fa44ddfa","isrc":"TCADC1708977","name":"High Class Women","registered_at":"2026-06-08T16:16:55Z","spotify_id":"0sDvzGQDh06ttZo5H2I2YY","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe43f564ddb34933e7bb91775e028180cbb0e3e502c3abf7943a8e1b0fa44ddfa. 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/0sDvzGQDh06ttZo5H2I2YY.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/0sDvzGQDh06ttZo5H2I2YY.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8934c90378fec83fc3b95bfb007e22871f45210a339d89ae51b0846c5a59f983. 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/58pEXZXzDnsnpGWT3XofaF.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/58pEXZXzDnsnpGWT3XofaF.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf3194653a0b6048450833b7eca08c2f5cdad27effa5c8323432288c42601fcd5. 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/2ohf21iV5p1H7FuzuXtY3D.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/2ohf21iV5p1H7FuzuXtY3D.
{"copyright_id":"0x36a1e8f8d8d6003c460f60cc83a0b1cdfa1bb335ad69570872bbc1295aa994e3","isrc":"QZFYW2131731","name":"Mad Disco 70's Lovers","registered_at":"2026-06-25T03:51:22Z","spotify_id":"5YBUdRafrkwiOJ9pPogw37","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x36a1e8f8d8d6003c460f60cc83a0b1cdfa1bb335ad69570872bbc1295aa994e3. 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/5YBUdRafrkwiOJ9pPogw37.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/5YBUdRafrkwiOJ9pPogw37.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x74623092a906d1667ecc296b7fb5f69ac756e4a56d2eb4eb48b9a21696627349. 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/0Wg6MaPVEyRM7rvsvg8wbD.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/0Wg6MaPVEyRM7rvsvg8wbD.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x43b1db5cc973134cefbacbb4e296bf9f0f9ca1881a311e1de034269d750c5539. 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/1HYQ2PYyZhAi3y5Bq9Keh6.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/1HYQ2PYyZhAi3y5Bq9Keh6.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x93b266f85893c618a3a829aa81b7331374890d0aa8425a3be1654a85d8703a82. 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/3QpwDCXd16dBHwtK4xqOwz.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/3QpwDCXd16dBHwtK4xqOwz.
{"copyright_id":"0x78babee85acc9d51ead7a18fe98e6ac8d1bdb65b06d8482308a004bc7aaff643","isrc":"TCAFE2057489","name":"Ready for This","registered_at":"2026-06-06T07:38:02Z","spotify_id":"3ZsJCk2yJhPwYMfnNdTck7","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x78babee85acc9d51ead7a18fe98e6ac8d1bdb65b06d8482308a004bc7aaff643. 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/3ZsJCk2yJhPwYMfnNdTck7.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/3ZsJCk2yJhPwYMfnNdTck7.
{"copyright_id":"0x9e31f06c0d439cc5fb9323156afd0d82a75270ce374e44aa52aff9e4d13e8a5b","isrc":"USLZJ2031985","name":"ALL OUT OF LUCK","registered_at":"2026-06-07T16:59:45Z","spotify_id":"0ykNkZAAIhxylprtcNlaQJ","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9e31f06c0d439cc5fb9323156afd0d82a75270ce374e44aa52aff9e4d13e8a5b. 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/0ykNkZAAIhxylprtcNlaQJ.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/0ykNkZAAIhxylprtcNlaQJ.
{"copyright_id":"0xdc8f5e6a27607d2692eca7f27031bce09ca2f50886afaa8008d35ccc4edabce8","isrc":"USLZJ1983826","name":"Ex Lover Syndrome","registered_at":"2026-06-06T00:42:16Z","spotify_id":"3yK3f1K9yqK4f8YsvTMt5x","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdc8f5e6a27607d2692eca7f27031bce09ca2f50886afaa8008d35ccc4edabce8. 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/3yK3f1K9yqK4f8YsvTMt5x.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/3yK3f1K9yqK4f8YsvTMt5x.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb3141a53af71f0d615935a5f9934326243b8e05862bec1100e335d651b8507e7. 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/3URRXAX4QY7R1lmt0fRI4a.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/3URRXAX4QY7R1lmt0fRI4a.
{"copyright_id":"0x4b16a2b8c55407b3b46a0e009905662d5eddae02d1d924909b05cc937f4d7e1a","isrc":"USLZJ1989702","name":"Fight XVIII","registered_at":"2026-06-07T11:16:15Z","spotify_id":"7FdyUyJdMdgP9oXfzzSvdp","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4b16a2b8c55407b3b46a0e009905662d5eddae02d1d924909b05cc937f4d7e1a. 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/7FdyUyJdMdgP9oXfzzSvdp.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/7FdyUyJdMdgP9oXfzzSvdp.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2d3a95d050a54c7e3b1a662d76857b1b419bfef1108363aff60ee3f2c91d3942. 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/2Wvh4p6F2mQZyAUfoCoZDF.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/2Wvh4p6F2mQZyAUfoCoZDF.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd29f44b99bba87ea5cf456c1207716d9bed865e72ccd4e9203b6724cf93e882a. 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/7zO6KQDrxDwhJqE6goQ5s7.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/7zO6KQDrxDwhJqE6goQ5s7.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbeb2c6f43022b3c4ab6935f11218eb1f6d4d6ff1fb3566aa83a92161935103e1. 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/5TDku24i2pHDcrugBG8nUc.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/5TDku24i2pHDcrugBG8nUc.