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 0x3a0ea8a9ffe01c872e113afa41eacfd27d27aeb676822824b6880344900ef9b4. 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/71cceaa5-216b-44e1-b60c-94560532cd7b.json and https://artists.proofprofile.net/proofs/artist/71cceaa5-216b-44e1-b60c-94560532cd7b.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
{"copyright_id":"0xf0022e490760d63f904b2c91b0ff0eda6d467749e5a953c22f96e266bc507f1d","isrc":"USLD91750352","name":"North Of Richmond (Remix)","registered_at":"2026-06-04T06:43:09Z","spotify_id":"3YvBWCpNnIqa3YnCbmbNrs","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 0xf0022e490760d63f904b2c91b0ff0eda6d467749e5a953c22f96e266bc507f1d. 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/3YvBWCpNnIqa3YnCbmbNrs.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/3YvBWCpNnIqa3YnCbmbNrs.
{"copyright_id":"0x77f6286794e31bc1ab98cae96034ce6a092dea6d0ec8f7e5fa494ccd59300bfc","isrc":"USLD91733316","name":"Whippin (feat. Young M.A)","registered_at":"2026-06-07T02:14:17Z","spotify_id":"7Hq3iVzocDRab1JxpHBEgX","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x77f6286794e31bc1ab98cae96034ce6a092dea6d0ec8f7e5fa494ccd59300bfc. 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/7Hq3iVzocDRab1JxpHBEgX.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/7Hq3iVzocDRab1JxpHBEgX.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf8907676e158d08b72e83b434b023e6bca40f94a31176af49b4a17b84c9a44f0. 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/3umtB5dnB9ZXsz4lUbcyRr.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/3umtB5dnB9ZXsz4lUbcyRr.
{"copyright_id":"0xd51afa20af87339806c5da1e063145a1b0914154a482291b889f05bfeefd9a83","isrc":"USLD91725190","name":"If the Noose Fits (feat. Chris Webby)","registered_at":"2026-06-07T01:01:25Z","spotify_id":"3OSxQGUp5SvqQMIjSG2ENV","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd51afa20af87339806c5da1e063145a1b0914154a482291b889f05bfeefd9a83. 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/3OSxQGUp5SvqQMIjSG2ENV.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/3OSxQGUp5SvqQMIjSG2ENV.
Population Control (Bonus Track Version)
{"copyright_id":"0x6ac5d42ecdec48b5865de679e510af34021183ffac1fb4e8a4644ed61962b1a5","isrc":"USLD91751183","name":"Oh Boy (feat. Busta Rhymes)","registered_at":"2026-06-05T13:29:27Z","spotify_id":"60VEEC95kI2D0mARyw4bd3","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6ac5d42ecdec48b5865de679e510af34021183ffac1fb4e8a4644ed61962b1a5. 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/60VEEC95kI2D0mARyw4bd3.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/60VEEC95kI2D0mARyw4bd3.
{"copyright_id":"0x50991d7bc037072a1a02efccf0bcfa96e77db2d740e64d522bb6e12b8410beef","isrc":"USLD91735218","name":"We Up (feat. DMX)","registered_at":"2026-06-06T11:59:33Z","spotify_id":"3gieuXDMPQtdKAARjItOas","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x50991d7bc037072a1a02efccf0bcfa96e77db2d740e64d522bb6e12b8410beef. 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/3gieuXDMPQtdKAARjItOas.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/3gieuXDMPQtdKAARjItOas.
{"copyright_id":"0x581f6db27c7e083bd75c0e96cbb92ef05a5285c8f49877f9bf44d5773cd3a6cb","isrc":"USLD91743193","name":"Bag (feat. Bun B & Paul Wall)","registered_at":"2026-06-06T18:34:50Z","spotify_id":"1QWxMx1hr8mInMWTRyWkBh","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x581f6db27c7e083bd75c0e96cbb92ef05a5285c8f49877f9bf44d5773cd3a6cb. 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/1QWxMx1hr8mInMWTRyWkBh.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/1QWxMx1hr8mInMWTRyWkBh.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x193bd50aaa0999996dafbf53b1eeae58ee3f573c33d85490e73aaead9fb37b5d. 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/7vLWerZhafjZIXgOar5KcS.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/7vLWerZhafjZIXgOar5KcS.
Bring It Back (feat. E-40, Mod Sun & Chris Webby)
{"copyright_id":"0x2bb2bf8e961f1c20dfbef5164fa685fd58ec1125a4ea00e75b69ee7cd5bff24c","isrc":"USZEG1800008","name":"Bring It Back (feat. E-40, Mod Sun & Chris Webby)","registered_at":"2026-06-09T16:16:25Z","spotify_id":"7cMxEjlTLa3au0KOYUHDLo","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2bb2bf8e961f1c20dfbef5164fa685fd58ec1125a4ea00e75b69ee7cd5bff24c. 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/7cMxEjlTLa3au0KOYUHDLo.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/7cMxEjlTLa3au0KOYUHDLo.
When I Was Young (feat. Chris Webby & Smoke DZA)
{"copyright_id":"0x213453cffa60a3783e6b37fee4a76e742597b07bb505b897f2e8df0ad0a8ebc4","isrc":"USLD90805877","name":"When I Was Young (feat. Chris Webby & Smoke DZA)","registered_at":"2026-06-22T05:06:05Z","spotify_id":"6J0TJRicpEImysj6GAm9UU","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x213453cffa60a3783e6b37fee4a76e742597b07bb505b897f2e8df0ad0a8ebc4. 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/6J0TJRicpEImysj6GAm9UU.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/6J0TJRicpEImysj6GAm9UU.
The Cypher (feat. AFRO, Ace Gabbana, Termanology, Kid Vishis, Chris Webby, Daylyt & Phire of Sister Tour)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xec1d63ea607194d7b3545a039a202cd205f46b3066187f3cdc14ed05118b31a9. 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/6wq16sVJRuCsVhePT9oDUD.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/6wq16sVJRuCsVhePT9oDUD.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb3c134d955cba79ed48d702ebd959c0c7af4c9b3e5c9e1649708c864eaaba66c. 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/3ewdTbBSQYcU9PusgFFx7B.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/3ewdTbBSQYcU9PusgFFx7B.
Fire Walk with Me: It's the Bootleg, Muthafuckas! Vol. 3
{"copyright_id":"0x347befecb8f85ac83c42ca0c9ed71f6a0fff3c2c052a82852c3f3ea6c5b745ef","isrc":"USI4R1226099","name":"Water to Wine","registered_at":"2026-06-26T00:24:40Z","spotify_id":"6wyMAJnaWvdrOo7R2eyOoK","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x347befecb8f85ac83c42ca0c9ed71f6a0fff3c2c052a82852c3f3ea6c5b745ef. 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/6wyMAJnaWvdrOo7R2eyOoK.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/6wyMAJnaWvdrOo7R2eyOoK.
Blunt Lit (feat. Chris Webby & Dizzy Wright)
{"copyright_id":"0x4b7e8196e16ef881e4a1a5f2deb967f05b191c39135f737c1d84d21f6672bc7d","isrc":"USLD91730344","name":"Blunt Lit (feat. Chris Webby & Dizzy Wright)","registered_at":"2026-06-22T00:09:50Z","spotify_id":"6Ebjcp1z1ZDxnmKiCZ78PI","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4b7e8196e16ef881e4a1a5f2deb967f05b191c39135f737c1d84d21f6672bc7d. 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/6Ebjcp1z1ZDxnmKiCZ78PI.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/6Ebjcp1z1ZDxnmKiCZ78PI.