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 0xb7173f9548ea420b61d09e4b5a8029bdad3cee882b12cbe5e5165e66021783cd. 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/f06c4ceb-9793-4dea-9d72-9a7674cb1bbd.json and https://artists.proofprofile.net/proofs/artist/f06c4ceb-9793-4dea-9d72-9a7674cb1bbd.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 0x8882920f864d92ebdc8f62832252393ebf36ee5fef991c0a7e6246d417437813. 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/2MLUeAHqn18XzbePh6aOjL.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/2MLUeAHqn18XzbePh6aOjL.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcbb48b52da81b8d1de8634e7eb055a5658af0563104f7cd4be76f4a3f8398f4a. 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/7KzTUt5KKZVBsFAdt3XnFo.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/7KzTUt5KKZVBsFAdt3XnFo.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x734ad8276f632090675f410d29f8de1dfc8d9844ef129b2210ec212210167d03. 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/0Q9R4CMNd0FBNvoRNXE4O5.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/0Q9R4CMNd0FBNvoRNXE4O5.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe08b04850c3a39887de53c2af298fa8e5787594d1fc7644acf60d469ce864a55. 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/3BZQJMsOXuq0c4D81QUI18.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/3BZQJMsOXuq0c4D81QUI18.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2faa8eee36d1b5da484f24eab5a239336c4e2e7f539ea6cd5a39b8b0f6d92f69. 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/6WVWqIKwtjFHX5v3Z2cntd.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/6WVWqIKwtjFHX5v3Z2cntd.
{"copyright_id":"0xefc985468528a333085c00effae58d32fad8dbe31a57f1f744a6d090e6853a48","isrc":"USLZJ2448794","name":"Una Pistola","registered_at":"2026-06-09T04:57:21Z","spotify_id":"0MCLnz4wHuSuVKrmxXIXjQ","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xefc985468528a333085c00effae58d32fad8dbe31a57f1f744a6d090e6853a48. 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/0MCLnz4wHuSuVKrmxXIXjQ.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/0MCLnz4wHuSuVKrmxXIXjQ.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcef41d3192bd4d1dab5325410e69d3d8a6e72f112093ba475d505eb91d203615. 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/02nlftazZIBxtWLZspDV5W.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/02nlftazZIBxtWLZspDV5W.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x65e2b7684dd33559e61b1523b609c29143d2ed8ae8ee52f1c4a7a8a323734028. 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/0h0OQGdB7mp5E3nrCwMCSB.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/0h0OQGdB7mp5E3nrCwMCSB.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd810264c7b149c250492b06965884cbb24407136d7f50d338635fa19c30c00bc. 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/4pr0LfGwPxQcgTxD0458Gv.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/4pr0LfGwPxQcgTxD0458Gv.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x307790388c29e74ce7652cf78c90985c0553008ed294bb985f207e49e38dee44. 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/6ks8L7FWusHVJzXQqPto3q.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/6ks8L7FWusHVJzXQqPto3q.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x34a2b99f257d74451033280d352a3035279db99e65c61e33cdc7ca49a6a49597. 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/15nxMwaCj0d71fLvSN2R5y.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/15nxMwaCj0d71fLvSN2R5y.
{"copyright_id":"0x069a5b877b5952ecfd0812c29687caafdfeb7e4cafedabb26d4f97bbb05ae0f9","isrc":"QZWDE2398784","name":"El Dueño Del Saoco","registered_at":"2026-06-20T10:03:23Z","spotify_id":"1rZc6kMwqB6vZML4faMmIC","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x069a5b877b5952ecfd0812c29687caafdfeb7e4cafedabb26d4f97bbb05ae0f9. 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/1rZc6kMwqB6vZML4faMmIC.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/1rZc6kMwqB6vZML4faMmIC.
{"copyright_id":"0x5acb8919be5c7c6264d7f47dd95864d97671a116bf9c7e75492e8e5fad26b2a3","isrc":"QZWDE2344276","name":"Mira Como Estoy","registered_at":"2026-06-08T13:35:18Z","spotify_id":"3f4oNAOsxZaLQN9rbyFRsG","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5acb8919be5c7c6264d7f47dd95864d97671a116bf9c7e75492e8e5fad26b2a3. 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/3f4oNAOsxZaLQN9rbyFRsG.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/3f4oNAOsxZaLQN9rbyFRsG.
{"copyright_id":"0xe0102fa498f6471673ed1bfbe52b6acc7ab2379a8de1e703c55086db12a4fa18","isrc":"QZWDE2365871","name":"Chileno Con Dominicano","registered_at":"2026-06-08T22:19:11Z","spotify_id":"33sx7QvF2ho1KmtyLwyQxc","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe0102fa498f6471673ed1bfbe52b6acc7ab2379a8de1e703c55086db12a4fa18. 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/33sx7QvF2ho1KmtyLwyQxc.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/33sx7QvF2ho1KmtyLwyQxc.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x88360097d70a63fea569e5267f84460d18d81114ced8fa86bd42f74bf77faa40. 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/3WzN1Zvyz099z3ESiZYUq8.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/3WzN1Zvyz099z3ESiZYUq8.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf6e1e3934ea147184aa37e7dc48dc23a18125000e36b119d22f414de6634e0ce. 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/7of9sGdMdFgdsth6TjzKkP.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/7of9sGdMdFgdsth6TjzKkP.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8d9b92908f7916161c1b4d82508f2dd29468cc3ead3709f4bc9faf94179e5eac. 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/2cnrP1P4Pnev7FeCvq2rDd.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/2cnrP1P4Pnev7FeCvq2rDd.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6f7212f0a617e3d89d6d30ea508668a815d3e8da6b7772e883780e34c8b9944d. 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/4biHfaY1bqRF8Ew1JRbNXU.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/4biHfaY1bqRF8Ew1JRbNXU.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x98a6c78fcab11c4a72be3c39c6295853be9622bc25b3963dbba3177e6f01d4ef. 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/4FIWR1ssGzhwfp39coxYIp.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/4FIWR1ssGzhwfp39coxYIp.
{"copyright_id":"0x6e24f62cae36200c5010718c35d97bc65de81f7c0c5cb794dbfe9fb68b32f431","isrc":"QZWDD2304013","name":"Capea Mi Tumbao","registered_at":"2026-06-20T09:56:47Z","spotify_id":"1cmK3MkcC7w5MOxwaR6Z9d","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6e24f62cae36200c5010718c35d97bc65de81f7c0c5cb794dbfe9fb68b32f431. 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/1cmK3MkcC7w5MOxwaR6Z9d.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/1cmK3MkcC7w5MOxwaR6Z9d.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe436f9ef20c5e34d779f103439d952040a8eedd0fb6b40ab569492511f1641e4. 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/2hfAxSLFouuqTGUHJ8XhiG.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/2hfAxSLFouuqTGUHJ8XhiG.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x913aabf2ee8260594c2aae35195c89321e2b55d723118fb51296df97029e072e. 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/6GS196lVnlRRQVz9A82pyT.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/6GS196lVnlRRQVz9A82pyT.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc5c1627c624aa34de19c3fee16be58772a63a6317d497d425b129d4cf02e648f. 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/7z88CyoNKi8zhV6SDqzkWb.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/7z88CyoNKi8zhV6SDqzkWb.
{"copyright_id":"0x316d15aadf8cfa8c30b4b049bf29828d3f6e7548c7fe49ccbbf32030ea152fd1","isrc":"QZWDD2322401","name":"Tabamo Atra","registered_at":"2026-06-08T13:30:17Z","spotify_id":"2mLE0WhjfvWBPKBtGdjeBP","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x316d15aadf8cfa8c30b4b049bf29828d3f6e7548c7fe49ccbbf32030ea152fd1. 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/2mLE0WhjfvWBPKBtGdjeBP.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/2mLE0WhjfvWBPKBtGdjeBP.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x10db8633508912afcc29b805c7335eb10708429b983876eada6893642f120abd. 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/2N62x6uNh9se1mqBKzsa1u.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/2N62x6uNh9se1mqBKzsa1u.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x68b6d04d860ba767275e035b9b0c938c1ef2796553f98954d4f7f20fa7d2bf9d. 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/1CHt5tzVKve52ZuZf7U679.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/1CHt5tzVKve52ZuZf7U679.
{"copyright_id":"0x1df3dc846b4448016d1445c90b0fa0088caeff64bf65a4fd814880f95858d22a","isrc":"QZTV32389185","name":"Hay Que Vivilo Pa Contalo","registered_at":"2026-06-08T22:06:38Z","spotify_id":"1ncvOic9MQRjZXJ8gLbKQU","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1df3dc846b4448016d1445c90b0fa0088caeff64bf65a4fd814880f95858d22a. 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/1ncvOic9MQRjZXJ8gLbKQU.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/1ncvOic9MQRjZXJ8gLbKQU.
{"copyright_id":"0x9207317179bdcf0436ce0fedf543afed4f90019da184854f8323ae5cc565b8ea","isrc":"QZTV32366699","name":"Dabi Dabi Digo","registered_at":"2026-06-08T22:04:38Z","spotify_id":"5rmmci3aLUC49YNxaCwnln","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9207317179bdcf0436ce0fedf543afed4f90019da184854f8323ae5cc565b8ea. 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/5rmmci3aLUC49YNxaCwnln.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/5rmmci3aLUC49YNxaCwnln.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x94c7e440df2f9538869ee80ce0b17f091d3eb8365c156ffe7cf28a9cad8d5900. 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/63LxsDkioqUqD2N1qr2EOP.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/63LxsDkioqUqD2N1qr2EOP.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf41918eeda2dbf199f79a7d56f2dd3b704dd00a7385b46351494feaa49731eb6. 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/3dLgdD66IpRuU8nEVhm6wJ.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/3dLgdD66IpRuU8nEVhm6wJ.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8e73ad5a8973ad5f059a03cb866fe221477746c5956b34c9bd9f8043cb6c9258. 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/4mb1hYgANwFJAUlvM0RHMT.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/4mb1hYgANwFJAUlvM0RHMT.