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 0x6d5acf03bd1fdd360b7dd9275949d78b51556393657d4307d24fb223dc01600f. Chain 2 (Bitcoin): anchored in block 953408 (2026-06-12T19:28:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/b1f84df5-4b74-49d4-92fc-07a3edb41d7a.json and https://artists.proofprofile.net/proofs/artist/b1f84df5-4b74-49d4-92fc-07a3edb41d7a.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 0xb9a0530939755abb43b5eab4015fbef959eb950767ef33c6c629a3121be7f901. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7cAT4VLVpaHwYVdnVg00Fa.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/7cAT4VLVpaHwYVdnVg00Fa.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x25cdc824972de3c59e0eddaa06c8094df5d1c386484a12fbc11c2a41d1f777a8. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/284YpeBMIdfwNV5HJBjZL0.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/284YpeBMIdfwNV5HJBjZL0.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9b9c139b69ba6c955bd8b29860eb1e807a14d5061f415852d4040b8fcaba99c1. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2CjrV3KHUYu2RH5l3ocrBs.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/2CjrV3KHUYu2RH5l3ocrBs.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x707d3ca1e14d687b18fa575aaa96eec2281cd23089b7b1e49bce260901bfd733. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2Aa3B9KFZLNL3OcB9zy0wh.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/2Aa3B9KFZLNL3OcB9zy0wh.
{"copyright_id":"0x87b86f541b67994df9c45e2e46da6cda6f42a5ff5f1504bbf31e7c161f2147b7","isrc":"QZHN42188723","name":"Wait A Second","registered_at":"2026-06-29T15:50:24Z","spotify_id":"5bIvRJc1KBKemGt5kBxOtx","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x87b86f541b67994df9c45e2e46da6cda6f42a5ff5f1504bbf31e7c161f2147b7. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5bIvRJc1KBKemGt5kBxOtx.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/5bIvRJc1KBKemGt5kBxOtx.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x12caac0693236fcfa2df242c732e47675819c0f95e98c04ab598815d98a1cd1e. Chain 2 (Bitcoin): anchored in block 956725 (2026-07-05T01:12:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/40BiDIEZx5LzFsxIjiHHqq.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/40BiDIEZx5LzFsxIjiHHqq.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaff851258d34fb36925c8fdfd83d686615954200edb0c2fd4833c9484a4ef580. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4RyNVHuSXrPE6Q9jr3XrL4.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/4RyNVHuSXrPE6Q9jr3XrL4.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x12caac0693236fcfa2df242c732e47675819c0f95e98c04ab598815d98a1cd1e. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7oQE1oekrVBxDu5PMH2OA0.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/7oQE1oekrVBxDu5PMH2OA0.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6374172eb9d447f8d7712fd4f0d056ff648654e1228acbc5ec1c86b526c09b6f. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4fuirmtksPioYuzeZ0tMK4.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/4fuirmtksPioYuzeZ0tMK4.
{"copyright_id":"0xfd59143a69e2294fbb532ed7531ffb4e6eb30d190eed784f9c11d895b659d0ea","isrc":"QZK6K2285847","name":"Pockets Bigger","registered_at":"2026-06-29T16:56:11Z","spotify_id":"65RILYU2sKcbKXiviKt3er","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfd59143a69e2294fbb532ed7531ffb4e6eb30d190eed784f9c11d895b659d0ea. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/65RILYU2sKcbKXiviKt3er.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/65RILYU2sKcbKXiviKt3er.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x11d9f8fee90a12c8d9677ba54a33c85a334869ab3f4908c381c338a9b4873549. Chain 2 (Bitcoin): anchored in block 956728 (2026-07-05T01:43:49Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4yL1qlMnFzdSTrT04mmbGi.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/4yL1qlMnFzdSTrT04mmbGi.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcbae7c20310efd5d8cb9be51ac36e4f4584c6e517fe9ca5c903b4f0264d0c04b. Chain 2 (Bitcoin): anchored in block 956383 (2026-07-02T18:11:59Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1nIjPqe40aEqx0e87iMjCq.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/1nIjPqe40aEqx0e87iMjCq.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2f8f36752bfd898f26e6581a392870b16575d73baa7f3ee84044b7227e0cd19c. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7zGqSC7Yi0s0hlmBhFSrP8.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/7zGqSC7Yi0s0hlmBhFSrP8.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x547d07ad8dc746800356787ffd8412dc4c5cf049f8f14415b9d7cefa9974cb42. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/75pysnRX7HHO7nkTLO5fDA.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/75pysnRX7HHO7nkTLO5fDA.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x11d9f8fee90a12c8d9677ba54a33c85a334869ab3f4908c381c338a9b4873549. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0LMnCu1HxkRQPZ7x2pPk1p.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/0LMnCu1HxkRQPZ7x2pPk1p.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x641ecc96f81cbea42b9f08a3e3c4c7c1d81977116647abd1ef8bb64d95933493. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0IvIY8FI1QZkYM1nVFkjuW.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/0IvIY8FI1QZkYM1nVFkjuW.
{"copyright_id":"0x117e2a90cb123fb59cccc90b76b09cd853a087ad67609d3ff0dd73069cae9753","isrc":"QZNWX2313404","name":"That One Thing","registered_at":"2026-06-29T16:57:10Z","spotify_id":"04tP2bPsnrQifXRY99zdrU","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x117e2a90cb123fb59cccc90b76b09cd853a087ad67609d3ff0dd73069cae9753. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/04tP2bPsnrQifXRY99zdrU.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/04tP2bPsnrQifXRY99zdrU.
{"copyright_id":"0x454a9dc77fa47811c59db04cd17bd645295f0eba8a607b2593502bb1baa660ae","isrc":"QZNWZ2321215","name":"Bring Racks Home","registered_at":"2026-06-29T16:47:02Z","spotify_id":"06FmuTbYRQzQBTfvuQ2lrj","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x454a9dc77fa47811c59db04cd17bd645295f0eba8a607b2593502bb1baa660ae. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/06FmuTbYRQzQBTfvuQ2lrj.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/06FmuTbYRQzQBTfvuQ2lrj.
{"copyright_id":"0x117e2a90cb123fb59cccc90b76b09cd853a087ad67609d3ff0dd73069cae9753","isrc":"QZNWX2313404","name":"That One Thing","registered_at":"2026-06-29T16:57:10Z","spotify_id":"5oQ3V6gOIOvZqLkJnn7XKZ","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x117e2a90cb123fb59cccc90b76b09cd853a087ad67609d3ff0dd73069cae9753. Chain 2 (Bitcoin): anchored in block 956420 (2026-07-03T00:42:11Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5oQ3V6gOIOvZqLkJnn7XKZ.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/5oQ3V6gOIOvZqLkJnn7XKZ.
M's And Bankrolls (feat. Clyde the Mack)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x29042c6d1ad42e728720f6c36828204180df9a12062bc1b98b2f4fa4f8658294. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/38NtYhLop9Ap6ZT1AS8PKR.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/38NtYhLop9Ap6ZT1AS8PKR.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x24524f845901d7c0695f6945d87a750e36463cf61895b62d4f20185667209b95. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3CknqjJnj11RvUVcXQisbw.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/3CknqjJnj11RvUVcXQisbw.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeeb70099b71daa383484dda18b042000a546512c80905861933da624c85ae3f2. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0izKPnGX0Z3fqoGKTfHb3S.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/0izKPnGX0Z3fqoGKTfHb3S.
{"copyright_id":"0x51a868adec49b146363dbec4958d12b0dd747ecd11a07e8df82e2826ee59fac0","isrc":"USLD91765623","name":"Givin' Out Sauce (feat. Slimmy B)","registered_at":"2026-06-29T05:57:53Z","spotify_id":"7yLHCRJLDTUzKyvDWM0bT0","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x51a868adec49b146363dbec4958d12b0dd747ecd11a07e8df82e2826ee59fac0. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7yLHCRJLDTUzKyvDWM0bT0.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/7yLHCRJLDTUzKyvDWM0bT0.
All Along (feat. Baywitdacake & Scoonie)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc562f347fe6aa583edfc57c00f2e1fe5724cee557d1b663d0444c03e4ee8bbe6. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/25zQ1iKGJAHj1i4jj2KLh4.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/25zQ1iKGJAHj1i4jj2KLh4.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcedeed663c2760b63783b368963753193a68199d15e0fa5537dd516516b45699. 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/2kmQpvPs4o3IQFgHiRdszD.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/2kmQpvPs4o3IQFgHiRdszD.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5348f819b13d43349066fe53983bf2c8218dab16cc2e32ee2ac4d5b5f7de1310. 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/7b2rL9UN6DlEu1nOGL4Pd1.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/7b2rL9UN6DlEu1nOGL4Pd1.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x232152a5e5a9bf81fd5d03c597803fd3968ec68b3cec82e5b3477903887e0d72. 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/6HKVW7vz23K7zj6BPk14iq.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/6HKVW7vz23K7zj6BPk14iq.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc0bb23337d292ebf0926a170b65592430e70799d29fc172dade56a8c482c33bd. 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/3kmee7aLQsXuw0uAR6tQld.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/3kmee7aLQsXuw0uAR6tQld.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x486b32bb0f6df0cd4c2e3d4221bc83adec12fb549f9da2c86c154dd895bcca3e. 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/6TbG4sU1hM1WseSTm0fICG.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/6TbG4sU1hM1WseSTm0fICG.
{"copyright_id":"0x10fc067ba4e3c3f92ecf98fd0de2d0c58acd1c6de22658b06130a82cd3c35e7b","isrc":"USA2P2417626","name":"Bad (with DB.Boutabag)","registered_at":"2026-06-07T08:37:54Z","spotify_id":"3IilsQYg9OlvJUaYcuRJHo","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x10fc067ba4e3c3f92ecf98fd0de2d0c58acd1c6de22658b06130a82cd3c35e7b. 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/3IilsQYg9OlvJUaYcuRJHo.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/3IilsQYg9OlvJUaYcuRJHo.