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 0x4109f6db738265ff4ec1e65e55382f6cc88c809d89ed1d6f41c716374f128a19. 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/03f6eb14-7f02-48af-a57a-0e7d716db8da.json and https://artists.proofprofile.net/proofs/artist/03f6eb14-7f02-48af-a57a-0e7d716db8da.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Jump Jump (feat. JUU, Ouzzi & LeoLaBandit)
{"copyright_id":"0xde21940b3a7a04fa5e1d1439a0cc223fc825721b705490941d64b9eec4088a62","isrc":"DEKF22400011","name":"Jump Jump (feat. JUU, Ouzzi & LeoLaBandit)","registered_at":"2026-06-05T18:02:29Z","spotify_id":"0rvYXOkzZlK6kowGgaIi8Z","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 0xde21940b3a7a04fa5e1d1439a0cc223fc825721b705490941d64b9eec4088a62. 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/0rvYXOkzZlK6kowGgaIi8Z.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/0rvYXOkzZlK6kowGgaIi8Z.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8cdae2c66bf50c1b9cbcf9998a66da8e885c1af04ca17ef8fe3828bb1234f408. 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/6hZWnw3S488ntItX2wbeDJ.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/6hZWnw3S488ntItX2wbeDJ.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc9a0fa7ccc0e5e86d4987af346972407ad20178f94b88da7078eb7486f495958. 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/5rsV9VLSkLTfyMBDkZkSG3.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/5rsV9VLSkLTfyMBDkZkSG3.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x74c47d33443f53c3b43c193a1fdec6088270183b57a8cb730869dfc382d876cd. 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/2VUdqHtO1Qbu8sWVKp9NIK.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/2VUdqHtO1Qbu8sWVKp9NIK.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x89794c17b3e4e4da22edb840f74c418e3ef3fcc00e9ba946a02c871c649407ef. 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/2Vl0JnaWpcZlWl1HFCHwMU.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/2Vl0JnaWpcZlWl1HFCHwMU.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4b298f28bb4f60a2bde769bb0ffb4121a0a5c02487b26951ee11833ab9cd5c57. 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/2tQkxWGESLhNpdhAfNA9IM.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/2tQkxWGESLhNpdhAfNA9IM.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x099af22ed1fcfdc2fd66366aed8d652f9ec9852e4f691483e0892b340090779e. 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/1ZHqCThOCNJNYFYNOb0oWJ.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/1ZHqCThOCNJNYFYNOb0oWJ.
{"copyright_id":"0x5c1f27bd0b5ab3f1e08021b7e5da6f3c61c6f2f01f72dea9feae3c9cd0c9869a","isrc":"DEKF22401133","name":"We don't stop","registered_at":"2026-06-05T18:02:25Z","spotify_id":"4k6SqEVTwQ5b5K0i86DofK","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5c1f27bd0b5ab3f1e08021b7e5da6f3c61c6f2f01f72dea9feae3c9cd0c9869a. 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/4k6SqEVTwQ5b5K0i86DofK.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/4k6SqEVTwQ5b5K0i86DofK.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc66ae2df853c3f009ad0907e3831bfbd36c5892341bad4235eae8a7cc959104d. 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/1mSJ0Vj1cGfsMSg4QAH1BQ.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/1mSJ0Vj1cGfsMSg4QAH1BQ.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4406660eff06a213d43a72469929280dc59c14793a82568dd972311a2c083102. 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/0WsZTUkZXxHB2KpHV4oma9.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/0WsZTUkZXxHB2KpHV4oma9.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x26a4d4aaac3f3dc6276de7305b7eb615b36024f4d7455b29b92f0d61947f2fb7. 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/5LR6aYwdZ0zvPaYlIOjLfU.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/5LR6aYwdZ0zvPaYlIOjLfU.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x14b9f02389249432dbff63bc3c014e446935009556e83898a579ae2cba2a800b. 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/0EcrjrGutdkA6muJNatXfh.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/0EcrjrGutdkA6muJNatXfh.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe0d4688811c5b411351e0a387e047b1c72982ce6b9dde657622597b3f653359f. 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/5oEzsDz2IMRm1JfgyPnfXw.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/5oEzsDz2IMRm1JfgyPnfXw.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd6f185b545532d05b5ccc8cc0f7d9251de4ea6d6a17fb047ef5489c599c1d880. 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/02Isd3WC1EahPJC0kPnO2N.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/02Isd3WC1EahPJC0kPnO2N.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x26a4d4aaac3f3dc6276de7305b7eb615b36024f4d7455b29b92f0d61947f2fb7. 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/7myrIkRqw4LCMsr673ckNb.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/7myrIkRqw4LCMsr673ckNb.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x53c104a9a73e454d2ad0247ecc5829bb6e4c5c591c41cc8a285689ab47349533. 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/2PZ26dkWgEqEQpNiNx4QBa.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/2PZ26dkWgEqEQpNiNx4QBa.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4a58b05ffaf881458bb7ecd5336eeff945b079574ad06008a46a9d8339200dbf. 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/79DIsgIzlQ37r6W04XKE6p.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/79DIsgIzlQ37r6W04XKE6p.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe2196d3bf3f6a4f74c430007e4eb1b741382ad5aa3e77b4a1e59a355b78d9519. 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/5HJZeoAOATGaJ68PFflUuO.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/5HJZeoAOATGaJ68PFflUuO.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfb815db8025ac8024c266017c47805e481e8d0f1a82902527407886748f1f399. 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/47zT8KLgzzQ0Tw6cXC7s9x.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/47zT8KLgzzQ0Tw6cXC7s9x.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9801033d60c8c69b92d74fc7bc9cd2fecbff01297ecfaf86b565cee062190caf. 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/4n3ZAFOneAvV134DoDpsG0.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/4n3ZAFOneAvV134DoDpsG0.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbede1b4764eb20e755181de846e879f9ff4ff6051d3ede1b45ea2c2f5766366e. 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/3BAp9ZoI2QM1nBvWvapKWZ.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/3BAp9ZoI2QM1nBvWvapKWZ.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc7eaab007993fcd48c974a00b3fcb0e0c9642e21befbcfdeb327774b1c21d317. 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/2gRqrRumZh60TSFwmv6D75.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/2gRqrRumZh60TSFwmv6D75.
{"copyright_id":"0x082072b05566e4d805f8a011f7d28ac61eed8c9c1cfedbde1df6dbbfca68df6a","isrc":"QZMEM2032401","name":"Rwena Reggada","registered_at":"2026-06-25T12:24:25Z","spotify_id":"04PJ8gJF5fwv9HTk1dDc6i","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x082072b05566e4d805f8a011f7d28ac61eed8c9c1cfedbde1df6dbbfca68df6a. 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/04PJ8gJF5fwv9HTk1dDc6i.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/04PJ8gJF5fwv9HTk1dDc6i.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe773a863350db88204defd4d507973cbc859dcc665366a86622849d4f543fcfb. 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/229PoI9hHbJ5VQ3A7W36Bx.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/229PoI9hHbJ5VQ3A7W36Bx.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb53ddce55793082b62d063e1fd910e2d82dba3c70dc1fb49fd0a9ba03f157a25. 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/7vFfSUUtnm1ApnKFisjI5n.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/7vFfSUUtnm1ApnKFisjI5n.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x30aef81ddb724002fc45a44e656ad54d52e3fd23feee2598380e1d195b9d8ec3. 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/3df9ukv46PaenPyNie8zyx.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/3df9ukv46PaenPyNie8zyx.