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 0xe475ef3495f1124005bb4ab67281578e9e7ad6778cf096cd4762203c4d7c93a3. 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/2e24cb88-82ec-4eab-8116-96455d68bd03.json and https://artists.proofprofile.net/proofs/artist/2e24cb88-82ec-4eab-8116-96455d68bd03.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
{"copyright_id":"0x2da12e82216495fcd6e1a5f0b8a4c32cffcfe7ff8ac304f1d0309077641eaea5","isrc":"USAT22103123","name":"MMM MMM (feat. ATL Jacob)","registered_at":"2026-06-04T07:46:51Z","spotify_id":"7GLqR9ToJLb0PV3XyNAWNm","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 0x2da12e82216495fcd6e1a5f0b8a4c32cffcfe7ff8ac304f1d0309077641eaea5. 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/7GLqR9ToJLb0PV3XyNAWNm.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/7GLqR9ToJLb0PV3XyNAWNm.
{"copyright_id":"0x7fa2c5df8b6c15234f99f2eb9fe5e8ed3ebfc8e081c1b30b551e887ff0666d9a","isrc":"QZPLS2028640","name":"Do A Bitch","registered_at":"2026-06-04T11:16:35Z","spotify_id":"5SHLciWtcFSR2TXIckWBmM","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7fa2c5df8b6c15234f99f2eb9fe5e8ed3ebfc8e081c1b30b551e887ff0666d9a. 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/5SHLciWtcFSR2TXIckWBmM.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/5SHLciWtcFSR2TXIckWBmM.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd6f2aff9e47281510a6618eab2c119f6e018d9234fe824e3697cd903c00e79ac. 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/6dIHOG7oVKtUOYrD4xXyuW.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/6dIHOG7oVKtUOYrD4xXyuW.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1b76c360c5750c9051e3a23426659afe204b5aac592c9063e67924e93809299b. 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/1QKde7vZ5QM4dZn6TLyEmO.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/1QKde7vZ5QM4dZn6TLyEmO.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x367b21096e15a9b968f24f058c8e9b3d086913ddd92ccda7dc4387159c4733d0. 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/6mvg0SlnYSvKd0SH6l8ejA.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/6mvg0SlnYSvKd0SH6l8ejA.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x786cb1208394100331889ab3ead4b9dc318eedc74a5eb62ebe6235ec1c8d51e8. 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/4b8zFITxLmN0rIbhuj5wub.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/4b8zFITxLmN0rIbhuj5wub.
{"copyright_id":"0x02727ed7cd9e5558df7e70f4795d8f07ccb9ee135c8bf834cd4236d9d482f8c9","isrc":"QZS7J2440331","name":"Okay - Sped Up","registered_at":"2026-06-19T02:19:33Z","spotify_id":"6lxpezyFBcWWlEePOoT1Gw","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x02727ed7cd9e5558df7e70f4795d8f07ccb9ee135c8bf834cd4236d9d482f8c9. 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/6lxpezyFBcWWlEePOoT1Gw.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/6lxpezyFBcWWlEePOoT1Gw.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x72342acd06710982784842a8d989ab99a47b502e299e7b7a57ab052393d240b5. 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/5Dy67iOzjEhlvHLPFMuU8d.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/5Dy67iOzjEhlvHLPFMuU8d.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x394b08fe957739f80ad6dbecd1f9f78b7c3539fa156602f03b1f5bc62316e60b. 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/50Aog4r74wWbCC83taaDR4.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/50Aog4r74wWbCC83taaDR4.
{"copyright_id":"0xd299b05f27406ef7b43e706bde7bfc4a575dcfddb5e629214c13202f70415d15","isrc":"QZQAY2418659","name":"Okay - Acapella","registered_at":"2026-06-10T12:15:45Z","spotify_id":"5lWUiTqPWJCkagoG5LimVN","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd299b05f27406ef7b43e706bde7bfc4a575dcfddb5e629214c13202f70415d15. 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/5lWUiTqPWJCkagoG5LimVN.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/5lWUiTqPWJCkagoG5LimVN.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbf0be815a2248f4e2542951d03d10f96a73dca4b1ab535fabd962e6e77ec76fc. 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/0VJXWgw0GWsprapvlpbuyu.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/0VJXWgw0GWsprapvlpbuyu.
{"copyright_id":"0xba663f2dfddef63e63d2afa1d4ae25b12dd6312ae784b5a19684ab1e8f00e5fb","isrc":"USUG12307781","name":"MF Problem","registered_at":"2026-06-24T09:46:32Z","spotify_id":"3E8Wyb1cTXMzlX86e4O0KT","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xba663f2dfddef63e63d2afa1d4ae25b12dd6312ae784b5a19684ab1e8f00e5fb. 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/3E8Wyb1cTXMzlX86e4O0KT.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/3E8Wyb1cTXMzlX86e4O0KT.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x367b21096e15a9b968f24f058c8e9b3d086913ddd92ccda7dc4387159c4733d0. 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/7bywjHOc0wSjGGbj04XbVi.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/7bywjHOc0wSjGGbj04XbVi.
{"copyright_id":"0xd44d730c8933218d731bbee516e50d91b0e0bec543858bfa8ddcaf6b47bbdf7a","isrc":"QZSYP2348388","name":"Strictly for the Strippers","registered_at":"2026-06-04T16:25:37Z","spotify_id":"57HdkwMsDROzyPh7JVnBkz","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd44d730c8933218d731bbee516e50d91b0e0bec543858bfa8ddcaf6b47bbdf7a. 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/57HdkwMsDROzyPh7JVnBkz.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/57HdkwMsDROzyPh7JVnBkz.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbf0be815a2248f4e2542951d03d10f96a73dca4b1ab535fabd962e6e77ec76fc. 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/7aL51Oe4h8Mk8GPJHfDzZB.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/7aL51Oe4h8Mk8GPJHfDzZB.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd6f2aff9e47281510a6618eab2c119f6e018d9234fe824e3697cd903c00e79ac. 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/5WHy8fao299yMwawkSAfHs.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/5WHy8fao299yMwawkSAfHs.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x858e6408a7699ea81247284c1c88479cedbb3b917a856ef217a93e350d2f74ae. 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/7pBRW5OrF0ZppCY8SP7mnQ.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/7pBRW5OrF0ZppCY8SP7mnQ.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbf0be815a2248f4e2542951d03d10f96a73dca4b1ab535fabd962e6e77ec76fc. 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/4BqslgNCkrFdFtNmf69X9d.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/4BqslgNCkrFdFtNmf69X9d.
{"copyright_id":"0x2da12e82216495fcd6e1a5f0b8a4c32cffcfe7ff8ac304f1d0309077641eaea5","isrc":"USAT22103123","name":"MMM MMM (feat. ATL Jacob)","registered_at":"2026-06-04T07:46:51Z","spotify_id":"1epyZwoVOJJ2IXAC3n7S03","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2da12e82216495fcd6e1a5f0b8a4c32cffcfe7ff8ac304f1d0309077641eaea5. Chain 2 (Bitcoin): anchored in block 956894 (2026-07-06T07:53:57Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1epyZwoVOJJ2IXAC3n7S03.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/1epyZwoVOJJ2IXAC3n7S03.
MMM MMM (The Remix) [feat. ATL Jacob, Latto & Moneybagg Yo]
{"copyright_id":"0x38a516302df73db112738d54db3599bac2a5437621c3d8529e6c81d35d03e833","isrc":"USAT22107339","name":"MMM MMM (The Remix) [feat. ATL Jacob, Latto & Moneybagg Yo]","registered_at":"2026-06-07T11:06:44Z","spotify_id":"4GYo0pyC4BNA1FWO5LZDjx","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x38a516302df73db112738d54db3599bac2a5437621c3d8529e6c81d35d03e833. 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/4GYo0pyC4BNA1FWO5LZDjx.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/4GYo0pyC4BNA1FWO5LZDjx.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x367b21096e15a9b968f24f058c8e9b3d086913ddd92ccda7dc4387159c4733d0. 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/361etwBv5aZJsYKJVAXYck.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/361etwBv5aZJsYKJVAXYck.
{"copyright_id":"0x77f83fed55af61320ce1134430f5c64be58f6b16ca6d3a9a620bceebda039f30","isrc":"QMPTL2200001","name":"You the Type","registered_at":"2026-06-19T15:28:33Z","spotify_id":"2EDYofZxKKF0geypdL8PcB","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x77f83fed55af61320ce1134430f5c64be58f6b16ca6d3a9a620bceebda039f30. 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/2EDYofZxKKF0geypdL8PcB.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/2EDYofZxKKF0geypdL8PcB.
{"copyright_id":"0x38a516302df73db112738d54db3599bac2a5437621c3d8529e6c81d35d03e833","isrc":"USAT22107339","name":"MMM MMM (The Remix) [feat. ATL Jacob, Latto & Moneybagg Yo]","registered_at":"2026-06-07T11:06:44Z","spotify_id":"6Apm580uwTz1G9Ac5aypr0","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x38a516302df73db112738d54db3599bac2a5437621c3d8529e6c81d35d03e833. 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/6Apm580uwTz1G9Ac5aypr0.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/6Apm580uwTz1G9Ac5aypr0.