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 0xbd96bf201b7391ebfdff8c16145ae28dd69491ab3d0a83450183806d81e0e902. 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/330261db-a85e-4ee5-ab4e-90e52d7ae320.json and https://artists.proofprofile.net/proofs/artist/330261db-a85e-4ee5-ab4e-90e52d7ae320.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
{"copyright_id":"0xe96618de3582aff68c50424ff9dea2aa099137c2aaadb9d2aee6c5d3b9118fc0","isrc":"US3DF2491822","name":"Cinco Cero Nueve","registered_at":"2026-06-27T08:21:27Z","spotify_id":"72b90BJkwuez6DItfk2H86","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 0xe96618de3582aff68c50424ff9dea2aa099137c2aaadb9d2aee6c5d3b9118fc0. 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/72b90BJkwuez6DItfk2H86.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/72b90BJkwuez6DItfk2H86.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0c99531581980bb715c8565b34e6572a9750379061532d1a992748cd6f92f25e. 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/6F0yjXSMmuCGfEcxuQvc9G.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/6F0yjXSMmuCGfEcxuQvc9G.
{"copyright_id":"0x31bd538b8504d2b08ab07d1e1cc035f070a205434f1dd5a8fc66cf4b3e766f9c","isrc":"USANG2408328","name":"Blindajes Cabrera","registered_at":"2026-06-07T14:22:50Z","spotify_id":"5I0keOwxki36iSafv2aS8L","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x31bd538b8504d2b08ab07d1e1cc035f070a205434f1dd5a8fc66cf4b3e766f9c. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5I0keOwxki36iSafv2aS8L.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/5I0keOwxki36iSafv2aS8L.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x693825cc4d061b12d582e0bb181d9551df7187ad80cb975c1ae805510d948e6d. 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/7H35pslap2ZwhwybUgfuPO.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/7H35pslap2ZwhwybUgfuPO.
{"copyright_id":"0x97415168cb9df23b1fb23d18ca6c9ef00f5d6fc64062f0113dba91b4b15d1c7b","isrc":"USANG2428679","name":"El 3 De Durango","registered_at":"2026-06-10T05:19:20Z","spotify_id":"5CPLAyJ3VxWDIIjL3RwQAU","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x97415168cb9df23b1fb23d18ca6c9ef00f5d6fc64062f0113dba91b4b15d1c7b. 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/5CPLAyJ3VxWDIIjL3RwQAU.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/5CPLAyJ3VxWDIIjL3RwQAU.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9adfc621e463a2d6f3f5ccd65ec48678366282af000abfcb76af1b85244a4612. 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/229Pzc4Cm2E6qCSGsKVoga.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/229Pzc4Cm2E6qCSGsKVoga.
{"copyright_id":"0x31bd538b8504d2b08ab07d1e1cc035f070a205434f1dd5a8fc66cf4b3e766f9c","isrc":"USANG2408328","name":"Blindajes Cabrera","registered_at":"2026-06-07T14:22:50Z","spotify_id":"78B5eVMZmTTeZqCEete9Ei","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x31bd538b8504d2b08ab07d1e1cc035f070a205434f1dd5a8fc66cf4b3e766f9c. 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/78B5eVMZmTTeZqCEete9Ei.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/78B5eVMZmTTeZqCEete9Ei.
{"copyright_id":"0xea7f668c6fe1572b1dbf08ff3b0db91a981c47a62b15dcd505fb3dcbbed87b4a","isrc":"USANG2468708","name":"Se Volvieron Locos","registered_at":"2026-06-07T14:22:32Z","spotify_id":"4Pxd6857nxQO63P8nrQsDT","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xea7f668c6fe1572b1dbf08ff3b0db91a981c47a62b15dcd505fb3dcbbed87b4a. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4Pxd6857nxQO63P8nrQsDT.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/4Pxd6857nxQO63P8nrQsDT.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x023243c67a3f524008999e53147a7cae1b7917b6a45ffba1a5b1a0ea937d6e7b. 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/68tdxgn3WFw1Efj2xku7Bj.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/68tdxgn3WFw1Efj2xku7Bj.
{"copyright_id":"0x2e4f14be8d6a1a0fafc7b1e762eee09add228f73e175bbf46b826c14d2a76b93","isrc":"USANG2497530","name":"Entre Los Cerros Y Pinos","registered_at":"2026-06-23T09:55:08Z","spotify_id":"54cVGZU6JvG0RCwcW3z0PY","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2e4f14be8d6a1a0fafc7b1e762eee09add228f73e175bbf46b826c14d2a76b93. 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/54cVGZU6JvG0RCwcW3z0PY.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/54cVGZU6JvG0RCwcW3z0PY.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9fb5a3d2bf2708234644449e856a9a492933ee03816c09258f7474c3c79d28c1. 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/5PN8YgToatNbUE1EmrnRsB.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/5PN8YgToatNbUE1EmrnRsB.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xca34662f6d93cdfd0235662225b01a28871768a513be824b79c4ca8aacb2529f. 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/3Sly3I77IKxKbeCC5m4Nnn.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/3Sly3I77IKxKbeCC5m4Nnn.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0d9c085b5ae4e1f4b43d593417ed87b8570cd7bb041d102216fecd4c794824d4. 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/6xGynzYr3SngnHJOGJC91l.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/6xGynzYr3SngnHJOGJC91l.
{"copyright_id":"0xeac0ced9617730c04574fe3bae6b544b1af987127e58b4f24850b270c23e0da1","isrc":"QMANG2242859","name":"Joven Empresario","registered_at":"2026-06-22T09:51:23Z","spotify_id":"4TYP9RoBrhM2ujr5FtMmg1","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeac0ced9617730c04574fe3bae6b544b1af987127e58b4f24850b270c23e0da1. 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/4TYP9RoBrhM2ujr5FtMmg1.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/4TYP9RoBrhM2ujr5FtMmg1.
{"copyright_id":"0x72d84cf1da471f39d6564327c4599255923474f77f43cfa2daf73ea6dd0acec9","isrc":"QM3DF2275971","name":"A La Orden Del Tigre","registered_at":"2026-06-21T11:03:49Z","spotify_id":"2iHLXhovTbCiRCgqMqKCCV","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x72d84cf1da471f39d6564327c4599255923474f77f43cfa2daf73ea6dd0acec9. 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/2iHLXhovTbCiRCgqMqKCCV.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/2iHLXhovTbCiRCgqMqKCCV.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0a3406ea0d094d4b99d0b96fd77b128785421b8a14234854248eae1afcba963e. 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/4Dq9FAvs2zMG69IR98GKJo.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/4Dq9FAvs2zMG69IR98GKJo.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1e74f0cb6baba361ebc4d74f50816e84c7cbd89c174a39baa9fbdf580cfd529e. 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/3dZRbqFmZyla7zQFdC4IQH.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/3dZRbqFmZyla7zQFdC4IQH.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8e4a968716c316b6fb43548d1e93ad5baf2228599e1779e69293222b8d2b4c0e. 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/3n5xdoEVRKDlCAqHknddwv.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/3n5xdoEVRKDlCAqHknddwv.
{"copyright_id":"0xadf0c2d1c7d0badb8e0acd3911edffa4b42df1f385e7c74a3bc693a773ca02e0","isrc":"US3DF2518930","name":"El De La 79","registered_at":"2026-06-08T23:38:07Z","spotify_id":"2yD12nqZkKGBQfO6Mjw5kP","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xadf0c2d1c7d0badb8e0acd3911edffa4b42df1f385e7c74a3bc693a773ca02e0. 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/2yD12nqZkKGBQfO6Mjw5kP.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/2yD12nqZkKGBQfO6Mjw5kP.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x023243c67a3f524008999e53147a7cae1b7917b6a45ffba1a5b1a0ea937d6e7b. 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/2ypCnxvsmGQJByUtykbrG8.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/2ypCnxvsmGQJByUtykbrG8.
{"copyright_id":"0xea7f668c6fe1572b1dbf08ff3b0db91a981c47a62b15dcd505fb3dcbbed87b4a","isrc":"USANG2468708","name":"Se Volvieron Locos","registered_at":"2026-06-07T14:22:32Z","spotify_id":"3EA84p9z3r0chN0fjXt8r3","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xea7f668c6fe1572b1dbf08ff3b0db91a981c47a62b15dcd505fb3dcbbed87b4a. 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/3EA84p9z3r0chN0fjXt8r3.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/3EA84p9z3r0chN0fjXt8r3.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x693825cc4d061b12d582e0bb181d9551df7187ad80cb975c1ae805510d948e6d. 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/5XN7LFxcXJh0tpP0274r02.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/5XN7LFxcXJh0tpP0274r02.
{"copyright_id":"0xe96618de3582aff68c50424ff9dea2aa099137c2aaadb9d2aee6c5d3b9118fc0","isrc":"US3DF2491822","name":"Cinco Cero Nueve","registered_at":"2026-06-27T08:21:27Z","spotify_id":"1XNuQpWGdGKCL2plgVjJEN","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe96618de3582aff68c50424ff9dea2aa099137c2aaadb9d2aee6c5d3b9118fc0. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1XNuQpWGdGKCL2plgVjJEN.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/1XNuQpWGdGKCL2plgVjJEN.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xebf4f5b79b5d5301a66c60c77619b1f7860a626bc9c3b559d20d8bc6a42977c0. 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/5HcRXOgzhy98UccsM5g8pg.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/5HcRXOgzhy98UccsM5g8pg.
{"copyright_id":"0xeac0ced9617730c04574fe3bae6b544b1af987127e58b4f24850b270c23e0da1","isrc":"QMANG2242859","name":"Joven Empresario","registered_at":"2026-06-22T09:51:23Z","spotify_id":"2flmDRxbZzZ6DHWJYmsYap","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeac0ced9617730c04574fe3bae6b544b1af987127e58b4f24850b270c23e0da1. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2flmDRxbZzZ6DHWJYmsYap.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/2flmDRxbZzZ6DHWJYmsYap.
{"copyright_id":"0x72d84cf1da471f39d6564327c4599255923474f77f43cfa2daf73ea6dd0acec9","isrc":"QM3DF2275971","name":"A La Orden Del Tigre","registered_at":"2026-06-21T11:03:49Z","spotify_id":"3BjznR3TXPAAt4VVdaTIQR","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x72d84cf1da471f39d6564327c4599255923474f77f43cfa2daf73ea6dd0acec9. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3BjznR3TXPAAt4VVdaTIQR.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/3BjznR3TXPAAt4VVdaTIQR.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x29ac58218ec12e2824764c642cb923b8405148901abae16444b68a7db29be08e. 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/123qLN5aoumJTL983HKbxu.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/123qLN5aoumJTL983HKbxu.
{"copyright_id":"0xa0649f15c16b95202b5f84a4fe9d0ccf7161658722cf1c430f9ad51cb3cf5198","isrc":"USANG2272361","name":"La Bandera que Portamos","registered_at":"2026-06-20T12:59:42Z","spotify_id":"5Lg5JE43StnCwOflx4xi8G","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa0649f15c16b95202b5f84a4fe9d0ccf7161658722cf1c430f9ad51cb3cf5198. 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/5Lg5JE43StnCwOflx4xi8G.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/5Lg5JE43StnCwOflx4xi8G.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb79be423fe21ce812591dce8b26e4e9edb0a1f913ff488767e56fae3591e0b62. 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/4PjF1VDu5Y7Fbav3zqORSL.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/4PjF1VDu5Y7Fbav3zqORSL.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7e1a2521f47d6fbb1cf90945f957735f3b2339a023123ec80def659448a01e9e. 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/3abjG5h6lFv5Fl3R8cnpR3.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/3abjG5h6lFv5Fl3R8cnpR3.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x287314d953aa7bc92b63b4ab8c54b221ba3d57936e6388de494199f25ae49ef2. 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/4uZSRBTZTARJTXVqXLuK4m.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/4uZSRBTZTARJTXVqXLuK4m.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0a3406ea0d094d4b99d0b96fd77b128785421b8a14234854248eae1afcba963e. 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/0SV4YyOE82rbSpWqdxPfaC.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/0SV4YyOE82rbSpWqdxPfaC.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x575ed6c80d455dc3cdb5878e147f7cef0296f63f2035a19ad2fc19035792fca9. 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/2wNj1ni8Ox92FEPUOvbXNW.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/2wNj1ni8Ox92FEPUOvbXNW.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9fb5a3d2bf2708234644449e856a9a492933ee03816c09258f7474c3c79d28c1. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1nruuhDMjKwFfZcGyz0Ry1.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/1nruuhDMjKwFfZcGyz0Ry1.