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 0xa212477085bde97b2e9b8b06ce17ff97e7367d865d2834d1c7e6b9407ee2fd1e. Chain 2 (Bitcoin): anchored in block 953423 (2026-06-12T21:20:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/46a247eb-711f-4deb-a05e-314e65cd12d9.json and https://artists.proofprofile.net/proofs/artist/46a247eb-711f-4deb-a05e-314e65cd12d9.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 0x8825a51b828dc89f2ef29096f471ff2917412dfbb8bd27e7a483d642166a9e12. 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/2nhARywYrGRPy1aqVkC1br.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/2nhARywYrGRPy1aqVkC1br.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5220684645d0d3d664401fbe7f6bab357cdcf21e57d73aa841a4740dbdad474d. 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/6LT7ZFQcKHiYDRl2oU9vwr.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/6LT7ZFQcKHiYDRl2oU9vwr.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0988e552b1bea2ce4eb7010bc24f24e4d590992f9473b24b265ab61408512c31. 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/1jCjtR5BQ5g5fo8iuXtogg.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/1jCjtR5BQ5g5fo8iuXtogg.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe6e57eac889c59892af7c83e63821878eeaa237eb7456eca7956192964119c24. 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/3w3xk3vjG18DUsWROJwHXQ.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/3w3xk3vjG18DUsWROJwHXQ.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3545091ec055c2cc6e51d19e678bf7046587960803fed231de8cb7060cae0114. 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/44Vt3VDpbxLAFILEilSaJy.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/44Vt3VDpbxLAFILEilSaJy.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7ebc862210febeaeb6c27313881cf2daf0a8c50ad84f1bbc886c76f4a848dca2. 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/48KlysFjeUfxQQFv6497rX.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/48KlysFjeUfxQQFv6497rX.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x710966e35684fe44b60a5105d79ca29ee5c46fa9b3d5a04502b15c8a647650d8. 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/5pD8aY2mZxxaqIinJQKQqU.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/5pD8aY2mZxxaqIinJQKQqU.
Superfly Producer Life (Studio Ver.) - Bonus Track
{"copyright_id":"0xb4da317670d509df44acb16081f5a694f75b3f81d44b525a0caf7f9b096bbb23","isrc":"QZZ4J2400409","name":"RUN! (feat. Lay Bankz)","registered_at":"2026-06-01T09:36:44Z","spotify_id":"1ZNrPyeyKs8YleAwY4vpKj","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb4da317670d509df44acb16081f5a694f75b3f81d44b525a0caf7f9b096bbb23. 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/1ZNrPyeyKs8YleAwY4vpKj.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/1ZNrPyeyKs8YleAwY4vpKj.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe2742fd3c7b220916bd4e6c28497cb3153f47ceb2e4a375026f392b386a784a6. 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/7adlbYpN7XNzgCMOO35671.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/7adlbYpN7XNzgCMOO35671.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfd24beaa07be813e9dc5de80a61a42fb8f287af879003fdbf4f68c5c518693bd. 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/5d1LmYNRMctPQFpkKQtEWy.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/5d1LmYNRMctPQFpkKQtEWy.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x780f53d6f6fec01329a43aed5da1ff1965bd6f9d5da2ea140a88f87b11e4a4a6. 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/5S0xg1acd0gX6wO4xaoCtP.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/5S0xg1acd0gX6wO4xaoCtP.
{"copyright_id":"0x4f387b5179698ee3a5fe5bbbbb7a69a05fc2e63727d743cb933dd24ce442018d","isrc":"QZH6S1900936","name":"Villain (Take the Shot)","registered_at":"2026-06-04T09:00:23Z","spotify_id":"1KMjnq2v4xEKjll8DNAdEQ","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4f387b5179698ee3a5fe5bbbbb7a69a05fc2e63727d743cb933dd24ce442018d. 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/1KMjnq2v4xEKjll8DNAdEQ.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/1KMjnq2v4xEKjll8DNAdEQ.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf7db37dfd15f15a708d3b6eaf8874fb4934fd3406d11e21966414e43d1bf1999. 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/6QOlYHgwaY1kR1H02eIrzm.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/6QOlYHgwaY1kR1H02eIrzm.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x82aaa00422234e11208974970e4e396679890ffab4a360f38ad18c6be691f235. 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/6Xgynq2WNmbfeDSX4JOvim.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/6Xgynq2WNmbfeDSX4JOvim.
{"copyright_id":"0xf07a6bcdbf69340c34ccca3048f1bf570bfda5e61ffee2a22a75ed357f92f765","isrc":"QZH6S1900796","name":"Ticking Away","registered_at":"2026-06-01T11:25:29Z","spotify_id":"7cmFEZ81b4S2u6MIHiCIba","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf07a6bcdbf69340c34ccca3048f1bf570bfda5e61ffee2a22a75ed357f92f765. 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/7cmFEZ81b4S2u6MIHiCIba.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/7cmFEZ81b4S2u6MIHiCIba.
{"copyright_id":"0xb871f9dd81eaa1680fbaee3a95968664ed5fd9ab611bb4a68ab909afdfaa0cc6","isrc":"QZH6S1900662","name":">one (greater than one)","registered_at":"2026-06-01T21:06:43Z","spotify_id":"7dvTKNIpSfs0jqIUzwpgDq","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb871f9dd81eaa1680fbaee3a95968664ed5fd9ab611bb4a68ab909afdfaa0cc6. 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/7dvTKNIpSfs0jqIUzwpgDq.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/7dvTKNIpSfs0jqIUzwpgDq.
{"copyright_id":"0xcd7be6e8666b67443143ef12c19acbbe22da5c0c5d134a0bb914cd660ce28ee9","isrc":"QZH6S1900411","name":"Die For You","registered_at":"2026-06-01T21:46:12Z","spotify_id":"1YFoeeHQ7YIWqAqWbJoJLO","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcd7be6e8666b67443143ef12c19acbbe22da5c0c5d134a0bb914cd660ce28ee9. 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/1YFoeeHQ7YIWqAqWbJoJLO.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/1YFoeeHQ7YIWqAqWbJoJLO.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe7b00530a3edd43eecdff31695840a902bd5679323046efd066d3f0de35a1426. 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/2gO2v3svkpM53VBCUmFcQa.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/2gO2v3svkpM53VBCUmFcQa.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x230fb209d1d0e99bb238a70cad219d1f51d092121e3e544e1433ae27ced567b4. 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/0DxrIU6Ljjri5mFvb6MXvm.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/0DxrIU6Ljjri5mFvb6MXvm.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf7db37dfd15f15a708d3b6eaf8874fb4934fd3406d11e21966414e43d1bf1999. 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/5JXWb7DqYJlXiFnJd9Vfgk.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/5JXWb7DqYJlXiFnJd9Vfgk.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3125362974ba86bf552137216452943430fd038aca30b5867822606929012563. 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/7iQzhQJZD8O1nqPrRCEM4c.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/7iQzhQJZD8O1nqPrRCEM4c.
{"copyright_id":"0xb55269da2f215f3ff1eba6caf2f975c0df9a82624ae0b4a297b9a5b7d7b94f9a","isrc":"QZH6S1900810","name":"STANDING TALL","registered_at":"2026-06-05T18:20:52Z","spotify_id":"5kVidSOi8P4azPmUJMiQ0e","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb55269da2f215f3ff1eba6caf2f975c0df9a82624ae0b4a297b9a5b7d7b94f9a. 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/5kVidSOi8P4azPmUJMiQ0e.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/5kVidSOi8P4azPmUJMiQ0e.
{"copyright_id":"0x9b6fba637e7625f224ce07b2c2b6daa2250bdcf3ead0328aa33309929febfe58","isrc":"HKG732428548","name":"Tears of Crocodile.","registered_at":"2026-06-18T21:54:17Z","spotify_id":"6jSqWO7dXPngzYOQ2VDZcw","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9b6fba637e7625f224ce07b2c2b6daa2250bdcf3ead0328aa33309929febfe58. 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/6jSqWO7dXPngzYOQ2VDZcw.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/6jSqWO7dXPngzYOQ2VDZcw.