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 0xabc9bea103aea78805c7c80ede60b420abd78405ae468b05e775c0659cefffe7. 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/4d1c9d34-1d7d-40b3-af77-78190250b39f.json and https://artists.proofprofile.net/proofs/artist/4d1c9d34-1d7d-40b3-af77-78190250b39f.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Left Here (Josh Napert Remix Instrumental)
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 0xfc296341808601d6032374a114ad06b0db9624bb27974a9b5aaca7325bfe648a. 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/2ip6p1j9XnvHMq63ajaJtC.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/2ip6p1j9XnvHMq63ajaJtC.
{"copyright_id":"0x4ecaabfa1edb413a3e9bce8560f6d8f1c54dc0c57551e9c8e8361ac2bcce046b","isrc":"USHM81915399","name":"Far Behind","registered_at":"2026-06-10T10:45:23Z","spotify_id":"7eUKA9CHNJbOEvxZNwPzun","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4ecaabfa1edb413a3e9bce8560f6d8f1c54dc0c57551e9c8e8361ac2bcce046b. 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/7eUKA9CHNJbOEvxZNwPzun.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/7eUKA9CHNJbOEvxZNwPzun.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x974b08e634b3c3a63164c178fec30d6bd863406286ec3e1484b2d3cb81904769. 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/7Cu6VGLeoWKr0tIaXohlDB.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/7Cu6VGLeoWKr0tIaXohlDB.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeffcee65897345e50782564e2674f9841d027d2c85def339be627b2f991cfe1a. 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/3AcWF9Gp08bMP425zyRdzW.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/3AcWF9Gp08bMP425zyRdzW.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf0cd6765634acc9df2ceba951432dab9ddb988e015762c4f4bd2d84c606bf85d. 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/6n1QDEaJKROnioRIvNo4F5.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/6n1QDEaJKROnioRIvNo4F5.
{"copyright_id":"0xa76a0e72b73419fe86e5ee36ab05ec2ad03e6365d47df09eaf0f3bbf6f0dde41","isrc":"USHM81915403","name":"Heavy Breathing","registered_at":"2026-06-20T16:02:17Z","spotify_id":"4Jz4j8PzLTLqpdHCTPJU59","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa76a0e72b73419fe86e5ee36ab05ec2ad03e6365d47df09eaf0f3bbf6f0dde41. 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/4Jz4j8PzLTLqpdHCTPJU59.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/4Jz4j8PzLTLqpdHCTPJU59.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xad0566764b1c1227391d5744563f26292a3669d2e9b45bd5fc76c501f094b6bc. 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/2UyRAOOhza43fyKYkZrgp0.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/2UyRAOOhza43fyKYkZrgp0.
{"copyright_id":"0x026546bc2bb239a25ffec8024df8481fb3f7e1eb0e08e622aaaca355fd06cbbe","isrc":"USHM81915405","name":"Miss Out","registered_at":"2026-06-23T22:47:18Z","spotify_id":"35XgVYYDETFdXsgXDf5CdG","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x026546bc2bb239a25ffec8024df8481fb3f7e1eb0e08e622aaaca355fd06cbbe. 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/35XgVYYDETFdXsgXDf5CdG.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/35XgVYYDETFdXsgXDf5CdG.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x036b01d06d310029922119115ae82add06408e364e03ea79e7e3d95a8cd066a2. 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/1nR2WMueyOyOoQfIDQNzWx.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/1nR2WMueyOyOoQfIDQNzWx.
{"copyright_id":"0xb09ba5f2bf9c4e1f2c8cb0da85cbc889229f509f6220c58b7dc3d890f67ba829","isrc":"USL4R1816359","name":"Not Going Back","registered_at":"2026-06-09T12:48:25Z","spotify_id":"75UYM9ZvdHFJoYZK6IOjME","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb09ba5f2bf9c4e1f2c8cb0da85cbc889229f509f6220c58b7dc3d890f67ba829. 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/75UYM9ZvdHFJoYZK6IOjME.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/75UYM9ZvdHFJoYZK6IOjME.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7359a4655c9fc040087d5cc5b3c60204cf34680e3baf66036bba31d27a759261. 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/1GU3uwag1SALAbeRI9A2AN.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/1GU3uwag1SALAbeRI9A2AN.
{"copyright_id":"0x31bc12ad78506280fbe53170e1de44d6c27d3333e9bc373cf9c1673feacf75ca","isrc":"USHM81915410","name":"Left Here (Josh Napert Remix)","registered_at":"2026-06-26T09:18:58Z","spotify_id":"4msZa16cBzBHwLc5kgkM1m","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x31bc12ad78506280fbe53170e1de44d6c27d3333e9bc373cf9c1673feacf75ca. 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/4msZa16cBzBHwLc5kgkM1m.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/4msZa16cBzBHwLc5kgkM1m.
{"copyright_id":"0x40f8daf05c5e9b1ff9edd5f28cbbe47986766847202a790b0488fd3b1f9241f5","isrc":"QZNJX2478846","name":"Blackout feat. Arankai","registered_at":"2026-06-05T10:30:52Z","spotify_id":"3waxqQRqhvwix0jPAqvQ5L","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x40f8daf05c5e9b1ff9edd5f28cbbe47986766847202a790b0488fd3b1f9241f5. 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/3waxqQRqhvwix0jPAqvQ5L.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/3waxqQRqhvwix0jPAqvQ5L.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xca1aab4e8c9f7b353e257af4475dfc0f60025e24b4687f48fd7f8b73db41e283. 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/5HcvyLVQgHszX7Fq11s2IW.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/5HcvyLVQgHszX7Fq11s2IW.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x01da357b86890b7166da77b2ce39d482b0e43841fc816af496684f8d00e502fc. 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/0wCT2ivXYnHssIDf2n3LV6.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/0wCT2ivXYnHssIDf2n3LV6.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc075026b3d19604ffe319912ba939ac20465fffa6326ce5c3dc2857e634a4b3c. 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/2Ikik4GXDcvnnEv8lXeY1v.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/2Ikik4GXDcvnnEv8lXeY1v.
{"copyright_id":"0x92e5a1e9a6db1d2e79d8a898b80fb81f1b267349ce18fe3d94f85d3600ca101e","isrc":"QZGLS2258122","name":"In the Dark","registered_at":"2026-06-06T20:33:21Z","spotify_id":"0oMghvmlhxnb6U7jTCVmF6","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x92e5a1e9a6db1d2e79d8a898b80fb81f1b267349ce18fe3d94f85d3600ca101e. 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/0oMghvmlhxnb6U7jTCVmF6.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/0oMghvmlhxnb6U7jTCVmF6.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x015b289dd8d1af644e3562d94d4541f815b05ef1e7ab793c89bcddc2093ed04d. 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/08BIaNWJMOQLrK5mSje5kY.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/08BIaNWJMOQLrK5mSje5kY.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x323d8f14020ca7c9dc5430e795e4c1fe015207723d6e0be4585c839cdfd99a86. 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/6MtKHY2d0SwOLObYIrY12O.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/6MtKHY2d0SwOLObYIrY12O.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb91c20669bdaea5952768a8d6fb1de880549799ec4f07d1c46a98e1e2fc2dda6. 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/3uP2y5la5DOVJp0NT7SOPv.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/3uP2y5la5DOVJp0NT7SOPv.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfc296341808601d6032374a114ad06b0db9624bb27974a9b5aaca7325bfe648a. 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/4yQrP2oAtSpPl51T499HG4.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/4yQrP2oAtSpPl51T499HG4.
{"copyright_id":"0xa76a0e72b73419fe86e5ee36ab05ec2ad03e6365d47df09eaf0f3bbf6f0dde41","isrc":"USHM81915403","name":"Heavy Breathing","registered_at":"2026-06-20T16:02:17Z","spotify_id":"6tDK3fWETLL6ENPx5jPBDR","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa76a0e72b73419fe86e5ee36ab05ec2ad03e6365d47df09eaf0f3bbf6f0dde41. 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/6tDK3fWETLL6ENPx5jPBDR.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/6tDK3fWETLL6ENPx5jPBDR.
{"copyright_id":"0x4ecaabfa1edb413a3e9bce8560f6d8f1c54dc0c57551e9c8e8361ac2bcce046b","isrc":"USHM81915399","name":"Far Behind","registered_at":"2026-06-10T10:45:23Z","spotify_id":"3B2ox554SN2dBYOy6dMUE5","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4ecaabfa1edb413a3e9bce8560f6d8f1c54dc0c57551e9c8e8361ac2bcce046b. 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/3B2ox554SN2dBYOy6dMUE5.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/3B2ox554SN2dBYOy6dMUE5.
{"copyright_id":"0xb09ba5f2bf9c4e1f2c8cb0da85cbc889229f509f6220c58b7dc3d890f67ba829","isrc":"USL4R1816359","name":"Not Going Back","registered_at":"2026-06-09T12:48:25Z","spotify_id":"4ZH8qTA8mMXXirdjY7bMjs","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb09ba5f2bf9c4e1f2c8cb0da85cbc889229f509f6220c58b7dc3d890f67ba829. 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/4ZH8qTA8mMXXirdjY7bMjs.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/4ZH8qTA8mMXXirdjY7bMjs.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9a988841d367c901f75a9e2ad59a9207092214d71b783cb064bddc65e7c44691. 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/4XWrQhCErglFOPqaRKz8Du.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/4XWrQhCErglFOPqaRKz8Du.
{"copyright_id":"0x54e1e2eee483dd1c83221b53f2b8e59219e0000aaafe97a2f270a8dfa38a4583","isrc":"USHM21778169","name":"Real Life Monsters","registered_at":"2026-06-08T08:00:41Z","spotify_id":"2HV0GUkiT0Ke7hqSKVLJTH","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x54e1e2eee483dd1c83221b53f2b8e59219e0000aaafe97a2f270a8dfa38a4583. 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/2HV0GUkiT0Ke7hqSKVLJTH.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/2HV0GUkiT0Ke7hqSKVLJTH.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5d6fd94504b4e5b3e459e845ed60e7c15b00c0d22208196365f8595d54657ba3. 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/4yWbQdoqN3llWpyf5cUAdP.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/4yWbQdoqN3llWpyf5cUAdP.