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 0x743139746e515e6d336d4ceefbff419957120932c5bc1ff4439620e7b4e89f80. 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/d4493a27-fd40-4449-8d5c-340dd7eaca5c.json and https://artists.proofprofile.net/proofs/artist/d4493a27-fd40-4449-8d5c-340dd7eaca5c.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 0xac9d1fde5854363e49b7077173195aefc3c6514d9f091f7a30a66a4ac4a5730e. 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/5ShNbIlbHoR6gGjbRTJ8NK.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/5ShNbIlbHoR6gGjbRTJ8NK.
{"copyright_id":"0x033efb3cea659e7744ec56888be1ac6fcd1ae0ad5b92becfbcb719f9ad6e29bf","isrc":"QZ5AB1889566","name":"A Love Like This","registered_at":"2026-06-18T10:50:18Z","spotify_id":"1JkTj4AUnDLq4hUVS8eYsP","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x033efb3cea659e7744ec56888be1ac6fcd1ae0ad5b92becfbcb719f9ad6e29bf. 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/1JkTj4AUnDLq4hUVS8eYsP.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/1JkTj4AUnDLq4hUVS8eYsP.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbba19579b3d2fd1c4e36be7aff0a4fcbd69148b37c08e41b3aa7fffff2540bb6. 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/5qrw6ok7G94rk1w1ykOWmK.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/5qrw6ok7G94rk1w1ykOWmK.
Everything I Shouldn't Be Thinking About
{"copyright_id":"0xee8cb73e57e9d6e5f3431af9bc4c4a253dc5d8e709e0d857c1280de30c168a1a","isrc":"US58E1300353","name":"Everything I Shouldn't Be Thinking About","registered_at":"2026-06-05T20:52:30Z","spotify_id":"2UZoYhVfHAeCx234JxEY5m","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xee8cb73e57e9d6e5f3431af9bc4c4a253dc5d8e709e0d857c1280de30c168a1a. 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/2UZoYhVfHAeCx234JxEY5m.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/2UZoYhVfHAeCx234JxEY5m.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc51cde81b0fcd54d6eb83725a77261b37d26a18b16754e1677b3cba37191e791. 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/6ZX0gGgYCBwoOBFJYKY5br.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/6ZX0gGgYCBwoOBFJYKY5br.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x37fb33fb12705acdb6f49b06c6cf36f2b9a61a42c22f2ee22579935e97e4e477. 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/2gn4pzz2ST95aATtmH2M7m.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/2gn4pzz2ST95aATtmH2M7m.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbc1a1c72655eabf33a5ad4af72c50ca5dd8d0909e07898717312c6fe82215384. 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/6sZSpkp0lL0Ty4y0jyPAcm.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/6sZSpkp0lL0Ty4y0jyPAcm.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x46f1968373f5575577f2847d141be600e95189e1f1fa21627f16a8d147fcb27b. 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/7bxl7EVd1MIAnuwzLevEUu.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/7bxl7EVd1MIAnuwzLevEUu.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa70c8f43c5852c8ac7e81014b95e5cc25556a77b4b6fd38dec9108740864f75a. 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/30CkSXidDHeHEjpOoMyQyE.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/30CkSXidDHeHEjpOoMyQyE.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x306a3bbd7492cf4ed8f7d5b9c1634fcf381e4170b960fc9a48aa035b5aa84295. 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/6rQJB8cja8fWwgMfHrDzyw.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/6rQJB8cja8fWwgMfHrDzyw.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9e41355f032236cb9a4b36dc1fbb54c675a60baca24768b635c0e86a2b3c9f5d. 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/27MhAV4wLWgCbGXKCpGVSX.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/27MhAV4wLWgCbGXKCpGVSX.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x88a7a8c6b8dbcb8d55d21e02469edcbae4445299e990fcd3753f0e578a139265. 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/4CZn46J2gbCP3MUaQVsCEU.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/4CZn46J2gbCP3MUaQVsCEU.
{"copyright_id":"0xecb9c5f01ed7191978ede4d4132ae5c6c332e2602e586b1be1dd8dd8352a82cc","isrc":"US58E1000225","name":"Are You Gonna Kiss Me Or Not","registered_at":"2026-06-01T13:13:33Z","spotify_id":"2oyJMZrw1DGvvkT2NbCZ0Y","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xecb9c5f01ed7191978ede4d4132ae5c6c332e2602e586b1be1dd8dd8352a82cc. 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/2oyJMZrw1DGvvkT2NbCZ0Y.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/2oyJMZrw1DGvvkT2NbCZ0Y.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x38b52dd3a73d35e29c2d2700bcffcfc419a8da862cb1d70fe90563250895d98c. 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/3rSAjv9IPPFv87Pq72cgDB.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/3rSAjv9IPPFv87Pq72cgDB.
{"copyright_id":"0xe053e0e564ff6f953e2b43821768a8ff7e47feac0823384c48b9dba8d2d933b8","isrc":"US58E1000265","name":"My Kind Of Crazy","registered_at":"2026-06-20T19:03:37Z","spotify_id":"3AoZZUYGsEmeQqWfSdcHyp","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe053e0e564ff6f953e2b43821768a8ff7e47feac0823384c48b9dba8d2d933b8. 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/3AoZZUYGsEmeQqWfSdcHyp.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/3AoZZUYGsEmeQqWfSdcHyp.
{"copyright_id":"0x90e74837dcc23b4d1ac5ae0e51c22927d7d5d1b53118c64654be1b560db5ac0c","isrc":"US58E1000266","name":"As Bad As It Gets","registered_at":"2026-06-26T15:31:14Z","spotify_id":"1HzCVZypNNXCbcWYeXGodx","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x90e74837dcc23b4d1ac5ae0e51c22927d7d5d1b53118c64654be1b560db5ac0c. 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/1HzCVZypNNXCbcWYeXGodx.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/1HzCVZypNNXCbcWYeXGodx.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5143c93ef8c90aa578f7c5fd3ffd88d3ccde75366c0034651131945a412e2fce. 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/6SeNNrrjgfrd6Y02pB9Kvi.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/6SeNNrrjgfrd6Y02pB9Kvi.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x05f47bd136765888f1796de458f3700cefef81c12f41db1ae1328dcd61b5b263. 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/72ABNzUWX6a3WCEc0LfD87.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/72ABNzUWX6a3WCEc0LfD87.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x656d0e572a78ea1f2ef6a87b3c643594c99c219d2c13107aa4a249962248a6d7. 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/0rxO4rdE6DLKAguDlJAkXA.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/0rxO4rdE6DLKAguDlJAkXA.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x53fb6428845351f13b2d5fed58ab1f53270bf73aeb56a46a379e16487b6e1964. 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/4cQHosjfUdRLH9FuIgiAnb.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/4cQHosjfUdRLH9FuIgiAnb.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x223812a7ea9b9b1096458ba1fce76e846ac56595bc0cb11b5382b1532c137843. 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/1YdNmRMmnx4s4SLBDgT36K.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/1YdNmRMmnx4s4SLBDgT36K.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdcfda674776eb4a5118c6ba80ef634023f7794284d3982f0a348645b0d877580. 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/31ZeAkRqHkfg854NTeoIGl.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/31ZeAkRqHkfg854NTeoIGl.
{"copyright_id":"0x60427ae0051d2d85edddc884fa20d6f1da905bd0f7e8c56be0ff4054196629fe","isrc":"QM4TX2205066","name":"Country in My Soul","registered_at":"2026-06-20T17:52:37Z","spotify_id":"18yeYVzm2a55AKGRw1dMPC","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x60427ae0051d2d85edddc884fa20d6f1da905bd0f7e8c56be0ff4054196629fe. 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/18yeYVzm2a55AKGRw1dMPC.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/18yeYVzm2a55AKGRw1dMPC.
{"copyright_id":"0xe65abd13643a9881dff272e6e11d69ad4f52bda1c6bdbe4d798a36ca2d2ae935","isrc":"USR371900085","name":"You Shoulda Been There","registered_at":"2026-06-24T02:30:13Z","spotify_id":"2KQcavaeO0lmg8wIHLKay6","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe65abd13643a9881dff272e6e11d69ad4f52bda1c6bdbe4d798a36ca2d2ae935. 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/2KQcavaeO0lmg8wIHLKay6.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/2KQcavaeO0lmg8wIHLKay6.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7195f8e8a729c8f7248870065425cde99e929c919539da347202df7d87924c14. 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/2zQV8D5ZXPXhEpC2dDYJ98.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/2zQV8D5ZXPXhEpC2dDYJ98.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4376f36d90f4bea46c44513ef74c7ede8a0c8a84d06d666fec61a844d44ad4d9. 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/6YBzTBjq77f1DxbENkTG9g.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/6YBzTBjq77f1DxbENkTG9g.
What Am I Gonna Do (Daddy's Song) (Exclusive Track)
Are You Gonna Kiss Me Or Not (Wedding Instrumental)
{"copyright_id":"0xabc2890965fd5ab8fbd69593f006abf145004559b7514f089160fe6afa885e77","isrc":"US58E1100297","name":"Are You Gonna Kiss Me Or Not (Wedding Instrumental)","registered_at":"2026-06-28T04:20:15Z","spotify_id":"3y4edDchLlubWOFSLrfpjd","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xabc2890965fd5ab8fbd69593f006abf145004559b7514f089160fe6afa885e77. 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/3y4edDchLlubWOFSLrfpjd.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/3y4edDchLlubWOFSLrfpjd.
{"copyright_id":"0xecb9c5f01ed7191978ede4d4132ae5c6c332e2602e586b1be1dd8dd8352a82cc","isrc":"US58E1000225","name":"Are You Gonna Kiss Me Or Not","registered_at":"2026-06-01T13:13:32Z","spotify_id":"4NcMkLCriXWWWgVmPcA9Lu","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xecb9c5f01ed7191978ede4d4132ae5c6c332e2602e586b1be1dd8dd8352a82cc. 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/4NcMkLCriXWWWgVmPcA9Lu.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/4NcMkLCriXWWWgVmPcA9Lu.
I Can Still Feel You (feat. Thompson Square)
{"copyright_id":"0xb7e0822a61f7400112013eaecaf6b6cd26273d6de6b61b9f5747f01d95571148","isrc":"QMFHE1400257","name":"I Can Still Feel You (feat. Thompson Square)","registered_at":"2026-06-09T07:17:11Z","spotify_id":"49dr2StmiAoPF2qvDCJtyc","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb7e0822a61f7400112013eaecaf6b6cd26273d6de6b61b9f5747f01d95571148. 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/49dr2StmiAoPF2qvDCJtyc.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/49dr2StmiAoPF2qvDCJtyc.
{"copyright_id":"0xb7964c0b57761a2f5b5fa333adff6a4b2069a44d9a2094453640f97df14b5b21","isrc":"QMFHE1400256","name":"Matador (feat. Thompson Square)","registered_at":"2026-06-23T12:39:40Z","spotify_id":"4Nk9sNKNyfSmL64ofiP4Jp","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb7964c0b57761a2f5b5fa333adff6a4b2069a44d9a2094453640f97df14b5b21. 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/4Nk9sNKNyfSmL64ofiP4Jp.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/4Nk9sNKNyfSmL64ofiP4Jp.