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 0x6687fbf8057ffa526c0cada87f8f60ef3205ed7aa11e233a953735fcd11915db. 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/1a84a7dd-8d16-4f2a-9b54-e54087db7541.json and https://artists.proofprofile.net/proofs/artist/1a84a7dd-8d16-4f2a-9b54-e54087db7541.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Us (feat. Rocky Rivera, Klassy & Faith Santilla)
{"copyright_id":"0x126c3715da8be89ebe84ffeade4881c9e16d45539d576e0bebceb5a03dee395e","isrc":"TCADG1797511","name":"Brown Out","registered_at":"2026-06-11T05:50:12Z","spotify_id":"6RmolWqJxBMm2BqtLXl4oC","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 0x126c3715da8be89ebe84ffeade4881c9e16d45539d576e0bebceb5a03dee395e. 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/6RmolWqJxBMm2BqtLXl4oC.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/6RmolWqJxBMm2BqtLXl4oC.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf29fdc0f6e1354d6e7548e39a7542e775c562c0939169d633ebb00399dbc0abf. 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/5mXugL9Q4uSShuUdsF8TOP.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/5mXugL9Q4uSShuUdsF8TOP.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd498dc7a7421bace945dfb4abe4b0db167b81d2178c21b52d110d86e7a420668. 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/0LYzeWWdyvmFoz2vEyjZeH.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/0LYzeWWdyvmFoz2vEyjZeH.
{"copyright_id":"0x6f33ac5ed46052539c7a666f9dd8251cbcbb7ab1983fcd0da70e065168a2fea8","isrc":"TCADG1797524","name":"The Other Side, Welcome","registered_at":"2026-06-19T05:24:08Z","spotify_id":"1lS3gP8LQ9V45NVWrDBoaX","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6f33ac5ed46052539c7a666f9dd8251cbcbb7ab1983fcd0da70e065168a2fea8. 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/1lS3gP8LQ9V45NVWrDBoaX.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/1lS3gP8LQ9V45NVWrDBoaX.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd69227af3730a5e06ff05ce567508b8f543210f999e9e67005ea821b9c17b666. 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/28gOkthcF4aomKyxEOzRMW.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/28gOkthcF4aomKyxEOzRMW.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7f7b078216be602a1418b359e06c5ae85e532979c65d05baa65c0cbe6fb2a28c. 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/4MqBfY0OB1c7z1baMnmaQ8.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/4MqBfY0OB1c7z1baMnmaQ8.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0ffe590447dde7c753ab724e0d16e388e859a57b7c54eb3fe84462ee5a394195. 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/3Yue07OpJ7X4tUYEyf5uTS.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/3Yue07OpJ7X4tUYEyf5uTS.
{"copyright_id":"0x57b126717321bd08c7d7ff1ee0d1a3371d8461e98a29b63c8ea88cc251a3c2dc","isrc":"TCADG1797543","name":"Curtain Call","registered_at":"2026-06-19T10:51:23Z","spotify_id":"4n1EgZx56JzNqQtHUkHjLS","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x57b126717321bd08c7d7ff1ee0d1a3371d8461e98a29b63c8ea88cc251a3c2dc. 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/4n1EgZx56JzNqQtHUkHjLS.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/4n1EgZx56JzNqQtHUkHjLS.
{"copyright_id":"0x7a95cda637b078cd8f9b848995a72c6dac968091e1bbadb1835c0117544b87d4","isrc":"TCADG1797548","name":"Voices I (Interlude)","registered_at":"2026-06-25T22:38:14Z","spotify_id":"1e7cJBfSltEIBwhFBVhEPW","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7a95cda637b078cd8f9b848995a72c6dac968091e1bbadb1835c0117544b87d4. 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/1e7cJBfSltEIBwhFBVhEPW.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/1e7cJBfSltEIBwhFBVhEPW.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x835d19754ae0ed1f1005544db2201194c523cdf7c357b75c3f564b40eec3b470. 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/5hac93gyh1NXXgllvbon5w.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/5hac93gyh1NXXgllvbon5w.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcc9f4de79d8644e22b8b951d6b7ca1de08c5ec9ff379a388c26c54099fc3c6bc. 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/2wQj8FRrVxBhkcYJfSSuth.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/2wQj8FRrVxBhkcYJfSSuth.
{"copyright_id":"0xe9271f011ecb2409ac672b0f41e6592206fa3ad582564d5f9b3e06c8fecf698f","isrc":"TCADG1797557","name":"Broken Mirrors","registered_at":"2026-06-22T00:07:17Z","spotify_id":"0Tw5XWYwaKizgyPTGnCJB9","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe9271f011ecb2409ac672b0f41e6592206fa3ad582564d5f9b3e06c8fecf698f. 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/0Tw5XWYwaKizgyPTGnCJB9.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/0Tw5XWYwaKizgyPTGnCJB9.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbaf4f56dfa1aecd7c606bd7484bdcc77d44107c8e962e7d2ad9ba595ac7f763f. 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/0hEfc2PdZApIxspjFlLtfh.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/0hEfc2PdZApIxspjFlLtfh.
{"copyright_id":"0xe3b7988ece52ddfd4b180245f5343d7c6e0b4e60f0f117fce5277e7311384053","isrc":"TCADG1797567","name":"The Realness","registered_at":"2026-06-21T01:58:10Z","spotify_id":"0MsAIlcBJSmJKIYN1NJkpX","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe3b7988ece52ddfd4b180245f5343d7c6e0b4e60f0f117fce5277e7311384053. 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/0MsAIlcBJSmJKIYN1NJkpX.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/0MsAIlcBJSmJKIYN1NJkpX.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x07df532253a72d2b7ade72e7e43466bc937aae452a5566dd70e2a447ed625f95. 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/2sIzuu0i5n250PRiC9QMWR.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/2sIzuu0i5n250PRiC9QMWR.
{"copyright_id":"0x52bf944ad2115b3e69fe11b35bed36db3744ad7c74881663ee13d8d8c4d27b4a","isrc":"TCADG1797575","name":"BONUS TRACK: Yuh","registered_at":"2026-06-23T05:25:17Z","spotify_id":"3NIbSNoXrdQKkAzhkCnNzM","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x52bf944ad2115b3e69fe11b35bed36db3744ad7c74881663ee13d8d8c4d27b4a. 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/3NIbSNoXrdQKkAzhkCnNzM.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/3NIbSNoXrdQKkAzhkCnNzM.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x83c82a4a259d7bce27938035a33a6448d0b1a3a65a7e53e0979a1ebccb72cf34. 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/3BeSIS2pBi5ixg580Gy57U.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/3BeSIS2pBi5ixg580Gy57U.
A Thousand Cuts (Spotify Singles) - Remix
{"copyright_id":"0x64b8b1faa9ec3b0cc7fd9fc29e73be1f322e5bedd5b4f1699aaf92d8a8f32a65","isrc":"QZHNB2211263","name":"A Thousand Cuts (Spotify Singles) - Remix","registered_at":"2026-06-23T09:04:48Z","spotify_id":"5CSJmUUVg21L8xb71UKMnI","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x64b8b1faa9ec3b0cc7fd9fc29e73be1f322e5bedd5b4f1699aaf92d8a8f32a65. 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/5CSJmUUVg21L8xb71UKMnI.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/5CSJmUUVg21L8xb71UKMnI.
{"copyright_id":"0x382f584d10b80819a64e2afeeb546437779c4898e5c1985c2721ecdf557aacbd","isrc":"QZHNB2211264","name":"Let Me Blow Ya Mind (Spotify Singles)","registered_at":"2026-06-08T12:55:56Z","spotify_id":"4lRm2lCC7YyUtiQMoiaHJ0","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x382f584d10b80819a64e2afeeb546437779c4898e5c1985c2721ecdf557aacbd. 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/4lRm2lCC7YyUtiQMoiaHJ0.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/4lRm2lCC7YyUtiQMoiaHJ0.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7da1ff2b01fab75252ae2408dd768557667bf0a83fcb347ea58a28ca556cf981. 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/69wZWiDWbeigJJ9WsupgjS.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/69wZWiDWbeigJJ9WsupgjS.