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 0x8552a6075b58fa182a62a83328df21f3b5e32c7d58ed9078460384fd96182ca9. Chain 2 (Bitcoin): anchored in block 953408 (2026-06-12T19:28:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/be2d9432-b11d-49f3-a0a1-6d106cae57d9.json and https://artists.proofprofile.net/proofs/artist/be2d9432-b11d-49f3-a0a1-6d106cae57d9.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
{"copyright_id":"0x86818fd00919ee4ce2db30c679245d4091b7ccc47e8bf24d5c2bac7d2fa50443","isrc":"AUMGB2300202","name":"Spring To Come Intro - Live In Paris","registered_at":"2026-06-27T18:39:47Z","spotify_id":"1NVwypXvPurlUAsEH2ZK3K","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 0x86818fd00919ee4ce2db30c679245d4091b7ccc47e8bf24d5c2bac7d2fa50443. Chain 2 (Bitcoin): anchored in block 956545 (2026-07-03T19:59:51Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1NVwypXvPurlUAsEH2ZK3K.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/1NVwypXvPurlUAsEH2ZK3K.
Coffee, Methadone & Cigarettes Intro - Live In Paris
Coffee, Methadone & Cigarettes - Live In Paris
{"copyright_id":"0x04d71317e9e1fcea49cd0e7e7960c1d27c19b658c27a2e508b45a7fa4e16c49d","isrc":"AUMGB2300212","name":"Coffee, Methadone & Cigarettes - Live In Paris","registered_at":"2026-06-25T07:49:38Z","spotify_id":"5I6zgOzRiIAiNcjo6cO4zd","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x04d71317e9e1fcea49cd0e7e7960c1d27c19b658c27a2e508b45a7fa4e16c49d. Chain 2 (Bitcoin): anchored in block 956639 (2026-07-04T11:19:20Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5I6zgOzRiIAiNcjo6cO4zd.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/5I6zgOzRiIAiNcjo6cO4zd.
{"copyright_id":"0xab9a5361676de14bc31f193cb2335e12355f951556842fdc4d568acfd64c4d17","isrc":"AUMGB2300214","name":"Wade In The Water - Live In Paris","registered_at":"2026-06-26T02:24:23Z","spotify_id":"7xLmYfdiGk9dawZTlgBTNO","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xab9a5361676de14bc31f193cb2335e12355f951556842fdc4d568acfd64c4d17. Chain 2 (Bitcoin): anchored in block 956484 (2026-07-03T10:47:44Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7xLmYfdiGk9dawZTlgBTNO.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/7xLmYfdiGk9dawZTlgBTNO.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf29efa0e38566eaf1402c993f680ed745f5179463c301a76231b70417251d216. 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/3YOrtgcSLeRlaHMUXXPPaP.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/3YOrtgcSLeRlaHMUXXPPaP.
{"copyright_id":"0x1158b41e413a0169a8272aee5078b87891c6aebe23871f28b2442cf9acf07a13","isrc":"AUMGB2300220","name":"Revolution - Live In Paris","registered_at":"2026-06-27T18:39:45Z","spotify_id":"43AdxLrx6eJ9vzeGNdWZhq","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1158b41e413a0169a8272aee5078b87891c6aebe23871f28b2442cf9acf07a13. Chain 2 (Bitcoin): anchored in block 956551 (2026-07-03T21:18:05Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/43AdxLrx6eJ9vzeGNdWZhq.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/43AdxLrx6eJ9vzeGNdWZhq.
{"copyright_id":"0x6f5f6c4f59a7e66b27d0dfb16720f48ad10220a3b7b64b14e062fabc6ea4e4b2","isrc":"AUMGB2300201","name":"Cold Wind","registered_at":"2026-06-21T11:31:39Z","spotify_id":"5HdJki10DcljuSBX3Fql8Y","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6f5f6c4f59a7e66b27d0dfb16720f48ad10220a3b7b64b14e062fabc6ea4e4b2. 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/5HdJki10DcljuSBX3Fql8Y.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/5HdJki10DcljuSBX3Fql8Y.
{"copyright_id":"0x86818fd00919ee4ce2db30c679245d4091b7ccc47e8bf24d5c2bac7d2fa50443","isrc":"AUMGB2300202","name":"Spring to Come Intro","registered_at":"2026-06-27T18:39:47Z","spotify_id":"2mXKqWHDZ4ccoFqGg1ajLs","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x86818fd00919ee4ce2db30c679245d4091b7ccc47e8bf24d5c2bac7d2fa50443. 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/2mXKqWHDZ4ccoFqGg1ajLs.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/2mXKqWHDZ4ccoFqGg1ajLs.
{"copyright_id":"0xbe47239bd3068cff9bd48174732a97a219d869cc7109e45a3c4bf70e64f4b0e7","isrc":"AUMGB2300203","name":"Spring to Come","registered_at":"2026-06-20T13:21:53Z","spotify_id":"7FMWC4aEJYRDLuZeUKIpuH","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbe47239bd3068cff9bd48174732a97a219d869cc7109e45a3c4bf70e64f4b0e7. 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/7FMWC4aEJYRDLuZeUKIpuH.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/7FMWC4aEJYRDLuZeUKIpuH.
{"copyright_id":"0x3db5c8367265bcf6cba60dc9f8070f48ee5834403eb3fcad2b80c360ca8dc4d9","isrc":"AUMGB2300204","name":"Miss Your Love Intro","registered_at":"2026-06-26T02:28:16Z","spotify_id":"5ofl9BZmBr1ZVY7UBq0Dss","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3db5c8367265bcf6cba60dc9f8070f48ee5834403eb3fcad2b80c360ca8dc4d9. 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/5ofl9BZmBr1ZVY7UBq0Dss.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/5ofl9BZmBr1ZVY7UBq0Dss.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x82d7a43471d96e7b9519eb2785c1e77acd6e69b548125f1972f317077939e85c. 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/50ornISxa3dMVhRUDPeECU.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/50ornISxa3dMVhRUDPeECU.
{"copyright_id":"0x65c05454dd633904d1c9486aa20d12b2da1ccc402ac8a0c8fed78408efbb2a16","isrc":"AUMGB2300206","name":"Better Than","registered_at":"2026-06-18T22:29:39Z","spotify_id":"5GNjRJuT4pNdLZpN9AjbsS","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x65c05454dd633904d1c9486aa20d12b2da1ccc402ac8a0c8fed78408efbb2a16. 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/5GNjRJuT4pNdLZpN9AjbsS.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/5GNjRJuT4pNdLZpN9AjbsS.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x27e8fd666c6d45a0d923cc6cf06cd0704fbf45d0570ead86acd76c3f605b7f83. 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/6fjSav3rywjA5p8wb9w8CL.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/6fjSav3rywjA5p8wb9w8CL.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x57a213053c3f9b308333cbf6ad8bf9719909dfa9b8654c165b507f0baae6aaad. 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/02JEBZNFFOByl1rAhFKIxO.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/02JEBZNFFOByl1rAhFKIxO.
{"copyright_id":"0x04d71317e9e1fcea49cd0e7e7960c1d27c19b658c27a2e508b45a7fa4e16c49d","isrc":"AUMGB2300212","name":"Coffee, Methadone & Cigarettes","registered_at":"2026-06-25T07:49:38Z","spotify_id":"7bICgCAs5h9EbJCF9Yhgab","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x04d71317e9e1fcea49cd0e7e7960c1d27c19b658c27a2e508b45a7fa4e16c49d. 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/7bICgCAs5h9EbJCF9Yhgab.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/7bICgCAs5h9EbJCF9Yhgab.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xab9a5361676de14bc31f193cb2335e12355f951556842fdc4d568acfd64c4d17. 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/6nRixZSBAlCO94tVpM7rNR.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/6nRixZSBAlCO94tVpM7rNR.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5a5fbbc0771442602f4adc95dab1ea9c745b3776fc5c79ede3bc88372bc1d20d. 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/3SAnDbA5EPGWxKL9O3I2nw.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/3SAnDbA5EPGWxKL9O3I2nw.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf29efa0e38566eaf1402c993f680ed745f5179463c301a76231b70417251d216. 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/5oSSE1Dj4hQloilFiBkAnl.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/5oSSE1Dj4hQloilFiBkAnl.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1158b41e413a0169a8272aee5078b87891c6aebe23871f28b2442cf9acf07a13. 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/5Z4wpe01kaIQXYIOVRiAyD.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/5Z4wpe01kaIQXYIOVRiAyD.
Before Too Long: triple j's Tribute to Paul Kelly
{"copyright_id":"0x1be35ce326d39ef1bc5136f546ab8efc6ade0af80d98b3233738e5c9536e5dce","isrc":"AUAB00900858","name":"From Little Things Big Things Grow","registered_at":"2026-06-24T17:23:54Z","spotify_id":"09TeSRnMXCoQW00i1BfIqO","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1be35ce326d39ef1bc5136f546ab8efc6ade0af80d98b3233738e5c9536e5dce. 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/09TeSRnMXCoQW00i1BfIqO.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/09TeSRnMXCoQW00i1BfIqO.
From Little Things Big Things Grow - Intro
Cannot Buy My Soul: The Songs Of Kev Carmody (2020 Edition)
{"copyright_id":"0xc7b4a49b8fdb2aa083ca969432da6475448219db88cbd517c067bfc5fe7f2dd2","isrc":"AUEM00600161","name":"Thou Shalt Not Steal","registered_at":"2026-06-07T19:31:09Z","spotify_id":"2ng1XdgqraXUXFtXGVEWay","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc7b4a49b8fdb2aa083ca969432da6475448219db88cbd517c067bfc5fe7f2dd2. 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/2ng1XdgqraXUXFtXGVEWay.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/2ng1XdgqraXUXFtXGVEWay.