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 0x9fcb0e5229e9b05e93e7cbf5ea0829598b96289af8f0a4ee64b6f1a65f46f854. 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/8dbb8a05-62eb-4ed7-8522-fe4758860871.json and https://artists.proofprofile.net/proofs/artist/8dbb8a05-62eb-4ed7-8522-fe4758860871.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
{"copyright_id":"0x1ef606ee7eba4786c80d45cb82f1b0e2eee3214b1545e2d54658e59bacc5d21c","isrc":"US7VG1000936","name":"Rap do calote","registered_at":"2026-06-09T19:40:56Z","spotify_id":"07mwe2RrkQbJmFq3t67cRW","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 0x1ef606ee7eba4786c80d45cb82f1b0e2eee3214b1545e2d54658e59bacc5d21c. 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/07mwe2RrkQbJmFq3t67cRW.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/07mwe2RrkQbJmFq3t67cRW.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x028ec270e560a35fbe19d2269526ea86f50d8f863b04d16b7853db36c67b18ce. 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/2GZDcUXakRYwe0cyz4K1tb.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/2GZDcUXakRYwe0cyz4K1tb.
{"copyright_id":"0x3cf02c239ace49b55dc95bf33c9482f9fd42502ef418d5be4b5c57ef38db4617","isrc":"US7VG1000939","name":"Pra falar de amor","registered_at":"2026-06-08T22:24:57Z","spotify_id":"0tLfZ6zpWxGwtbMHiyuzLm","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3cf02c239ace49b55dc95bf33c9482f9fd42502ef418d5be4b5c57ef38db4617. 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/0tLfZ6zpWxGwtbMHiyuzLm.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/0tLfZ6zpWxGwtbMHiyuzLm.
{"copyright_id":"0x57b0dd65084c93ceca4c4dcf5c0816937d6c52858f3c78a5dd918dac25be38e2","isrc":"US7VG1000940","name":"Cara de cavalo encontra De Leve","registered_at":"2026-06-27T11:39:07Z","spotify_id":"6beU4mQHpG0z0J3sCztNLW","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x57b0dd65084c93ceca4c4dcf5c0816937d6c52858f3c78a5dd918dac25be38e2. 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/6beU4mQHpG0z0J3sCztNLW.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/6beU4mQHpG0z0J3sCztNLW.
{"copyright_id":"0xc7e0f32fca18aed88959a08ba6eb842231daa159a71ee5b0e314c603701ff26f","isrc":"US7VG1000942","name":"Esse planeta","registered_at":"2026-06-09T09:47:49Z","spotify_id":"5aCmS1oKR8zii7gJYiUOFS","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc7e0f32fca18aed88959a08ba6eb842231daa159a71ee5b0e314c603701ff26f. 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/5aCmS1oKR8zii7gJYiUOFS.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/5aCmS1oKR8zii7gJYiUOFS.
{"copyright_id":"0x881446dbbc012b5e7036bf28fe56eba4a1b9459d31a4089e06e8ea73587fe1c2","isrc":"US7VG1000943","name":"Melo do piratao","registered_at":"2026-06-23T12:55:20Z","spotify_id":"6aHICBJCVR0pbwix0PCXCd","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x881446dbbc012b5e7036bf28fe56eba4a1b9459d31a4089e06e8ea73587fe1c2. 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/6aHICBJCVR0pbwix0PCXCd.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/6aHICBJCVR0pbwix0PCXCd.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9716de17d121cdeb7c8051cb9616086037851f6ed3cb00f6a363fa4592a52c60. 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/2apvGKYHeDvTgTw95mIE3V.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/2apvGKYHeDvTgTw95mIE3V.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x21aeb4672a4db2c030973687915515a5b7bd922c0b84b50f3b97dfaa4df8537b. 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/0D4rcBGcGSOG06Ytp2ign5.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/0D4rcBGcGSOG06Ytp2ign5.
Quem disse que caramujo não tem coração?
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x761a6028218f535dc45e7149ebaa81fb82f30ce71b879ce87701c199295ae0b0. 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/1sc7q9CQZQv3VEfnGe8ubw.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/1sc7q9CQZQv3VEfnGe8ubw.
Quem Disse Que Caramujo Não Tem Coração?
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xac44b71f1a911628d74eb37892ba58c7d933c68cda1c79095608a164f5dca716. 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/6mQ1ops67viFBydebtuv3l.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/6mQ1ops67viFBydebtuv3l.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9d367ac24eb851c3e5dd8147e7a8711e26bf031a30a4cfc662a697ae09b18892. 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/4whEaaJdk1xXgNTCWN8EuG.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/4whEaaJdk1xXgNTCWN8EuG.
{"copyright_id":"0xca9c9204e80ecb059cf21fb2ec09453250f9025a17255e48f56a3a38bfeef159","isrc":"US7VG1000911","name":"Pra bombar no seu estereo","registered_at":"2026-06-20T10:29:20Z","spotify_id":"5XH9un9Yc9lmOKNJ5I0Emi","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xca9c9204e80ecb059cf21fb2ec09453250f9025a17255e48f56a3a38bfeef159. 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/5XH9un9Yc9lmOKNJ5I0Emi.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/5XH9un9Yc9lmOKNJ5I0Emi.
{"copyright_id":"0xf12d73999ab8ec2a4d0b4e7bd5fe92aedb4d289f5cb69595ecf323243dc3cd26","isrc":"US7VG1000912","name":"Sem Neurose","registered_at":"2026-06-18T19:52:49Z","spotify_id":"0ZXXLTZK4UZ8FglkXuiwyB","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf12d73999ab8ec2a4d0b4e7bd5fe92aedb4d289f5cb69595ecf323243dc3cd26. 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/0ZXXLTZK4UZ8FglkXuiwyB.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/0ZXXLTZK4UZ8FglkXuiwyB.
{"copyright_id":"0xff2b3dfb754e3cc3f5bb59696929281e0b8a4c2c569a75e40c05b8e9beb81192","isrc":"US7VG1000913","name":"Caipirinha Man","registered_at":"2026-06-24T19:07:14Z","spotify_id":"5fZBEajIaZOzsFXRrSjvBz","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xff2b3dfb754e3cc3f5bb59696929281e0b8a4c2c569a75e40c05b8e9beb81192. 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/5fZBEajIaZOzsFXRrSjvBz.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/5fZBEajIaZOzsFXRrSjvBz.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5617c2bfda5913d2808560eb57572a0c832971dbf2364a4ebeae3cfcf9be6eaa. 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/6z0g28TzGVm1n1uSMHCmJw.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/6z0g28TzGVm1n1uSMHCmJw.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6297ed7437e524b3ab4e691f0758590acbd811e2449dd7ed8e813d734df5f4dd. 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/6dZsYl2YWbv4w7YFzJIiFR.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/6dZsYl2YWbv4w7YFzJIiFR.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf6f9a09a4bb8c630d1600b2d5f8438b7469a1b249f898417b8639505654d49b5. 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/52lqXSk4d0bKJjBRoGAWXe.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/52lqXSk4d0bKJjBRoGAWXe.
{"copyright_id":"0xb34b3e10f0a24cfcb70da470e86db4a1f8f9392e47d90075060602a5db09bc79","isrc":"US7VG1000917","name":"Essa é pros amigos","registered_at":"2026-06-18T19:53:11Z","spotify_id":"77vRoyNr2eSyB3TrsVouvd","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb34b3e10f0a24cfcb70da470e86db4a1f8f9392e47d90075060602a5db09bc79. 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/77vRoyNr2eSyB3TrsVouvd.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/77vRoyNr2eSyB3TrsVouvd.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3796e8b99acf075bcadb6202b2070e07963a0ed7b7f999e43430203ea92a5457. 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/7uXnKNRQYWtuA0u7oHSYTi.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/7uXnKNRQYWtuA0u7oHSYTi.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1b016e3574b233ae285bf4bf5b7eb53a4c7aaaf82ce9b929c12dc26bbf968112. 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/1S3YIhzxP8M7Og85DEfxTC.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/1S3YIhzxP8M7Og85DEfxTC.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3906ec3798f1e8e93ddc9f2303aa291e5b7868148f25d16c3ae1369d6b0d1001. 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/4tYVG5xYM9YsvtMJwhrB1E.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/4tYVG5xYM9YsvtMJwhrB1E.
{"copyright_id":"0x7f1d7c980cff88ef9ded25f7f5eaea5bd9a5df309732d669f9a1f2147bf8eb35","isrc":"US7VG1000922","name":"Eu Rimo na Direita","registered_at":"2026-06-08T05:02:55Z","spotify_id":"6fv0YJ6nzsj0hy6zbeHYMG","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7f1d7c980cff88ef9ded25f7f5eaea5bd9a5df309732d669f9a1f2147bf8eb35. 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/6fv0YJ6nzsj0hy6zbeHYMG.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/6fv0YJ6nzsj0hy6zbeHYMG.
{"copyright_id":"0xd2c8bdea30307f8a5520c924a79a4e27dc0ce67eaf4ff7f13c4551658effe18a","isrc":"US7VG1000923","name":"Vai vendo","registered_at":"2026-06-07T21:26:55Z","spotify_id":"0gdA1LwlNZvWNiAkSY9BcB","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd2c8bdea30307f8a5520c924a79a4e27dc0ce67eaf4ff7f13c4551658effe18a. 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/0gdA1LwlNZvWNiAkSY9BcB.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/0gdA1LwlNZvWNiAkSY9BcB.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3a5701c1886d7299836551af3f7c7ea0798686cd3e57545d8b475ef0cc5939eb. 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/7ub1vwES477wMtU0O98Tt4.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/7ub1vwES477wMtU0O98Tt4.
{"copyright_id":"0x7671d5836ca51a9aa19477a5da269f99c11351ab66e185ad0de5e3ada58d2d4a","isrc":"US7VG1437742","name":"Quem Disse Que Caramujo Não Tem Coração","registered_at":"2026-06-18T19:53:15Z","spotify_id":"1pIXM9vGbsw4kTIyj1Xk6E","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7671d5836ca51a9aa19477a5da269f99c11351ab66e185ad0de5e3ada58d2d4a. 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/1pIXM9vGbsw4kTIyj1Xk6E.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/1pIXM9vGbsw4kTIyj1Xk6E.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc0ea6712a24c07c0e324a1eb7b99eac5cc5be2c274f88ee33ee191720b349974. 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/0mAoUXVsanAxnpxfcL9SIX.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/0mAoUXVsanAxnpxfcL9SIX.
{"copyright_id":"0x25b491be8d4ee61ab8ec6fc3b38b9da6320fdaf4cc8d23fb295e1bc3aaded360","isrc":"US7VG1579774","name":"Nego Tu Sabe?","registered_at":"2026-06-05T12:27:46Z","spotify_id":"0L9fn02XcP3cueIFEoXsze","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x25b491be8d4ee61ab8ec6fc3b38b9da6320fdaf4cc8d23fb295e1bc3aaded360. 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/0L9fn02XcP3cueIFEoXsze.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/0L9fn02XcP3cueIFEoXsze.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7cb76c154bed0aac18d869847ae458e552d956d91dc3475d0285798093d4e21e. 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/0JR6AUiKrxSrbjcbY70DDX.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/0JR6AUiKrxSrbjcbY70DDX.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe8b0f82fc3362bf07a4822a919c47b40c02afc87c6c8031342f14d73ca02b2d6. 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/6GVCs8xcK3A6H1oNPHask3.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/6GVCs8xcK3A6H1oNPHask3.