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 0xf7e4bd14e49d26cec02e6d3f9ad1e17150470fa5b1e1310778f3cb394f1c073a. 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/384716f7-ec7b-4515-818d-6eac685cd333.json and https://artists.proofprofile.net/proofs/artist/384716f7-ec7b-4515-818d-6eac685cd333.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
REGRETEVATOR (Original Game Soundtrack, Vol. 1)
{"copyright_id":"0xc95d301ae1835ef8bffc0afc313102e00bca40bdbce1e05a440327362de56521","isrc":"QZFYZ2434904","name":"REGRETEVATOR OPENER","registered_at":"2026-06-07T23:24:51Z","spotify_id":"7jgXSZGITBTXAOE8vYwxNb","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 0xc95d301ae1835ef8bffc0afc313102e00bca40bdbce1e05a440327362de56521. 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/7jgXSZGITBTXAOE8vYwxNb.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/7jgXSZGITBTXAOE8vYwxNb.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x09396bfd8a43f8fe4bef78fa845c26de3585c0cb009f5dd799541d448c0396b4. 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/4aYMx3Hn9VIs3ZC8BxrQVj.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/4aYMx3Hn9VIs3ZC8BxrQVj.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0a8927eacf66f9df915d3e6c89856d01f482d6313aa2c22e52a5576a2a831185. 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/0CwvGNDm59SG98iUl22GyM.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/0CwvGNDm59SG98iUl22GyM.
{"copyright_id":"0xc64ec1e4f4ffea9ef08e9b1c89ff1cf01f9e33506b29f34273eaed69dda72f02","isrc":"QZFYZ2434907","name":"One More Time!","registered_at":"2026-06-07T23:26:17Z","spotify_id":"4lNqUODq2AH3FXy7z6lsCP","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc64ec1e4f4ffea9ef08e9b1c89ff1cf01f9e33506b29f34273eaed69dda72f02. 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/4lNqUODq2AH3FXy7z6lsCP.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/4lNqUODq2AH3FXy7z6lsCP.
{"copyright_id":"0xdba74829476347422a687e39e815ea37a90a42d273af712b1e3a07e961b0ed67","isrc":"QZFYZ2434908","name":"Something Something Temple","registered_at":"2026-06-06T14:06:57Z","spotify_id":"71CUIVFbYky31aIEHIlQTi","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdba74829476347422a687e39e815ea37a90a42d273af712b1e3a07e961b0ed67. 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/71CUIVFbYky31aIEHIlQTi.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/71CUIVFbYky31aIEHIlQTi.
{"copyright_id":"0xe223dd4c6f6b1f9b00510a5e78f6d789053c16b7735fb715cef5091383882de0","isrc":"QZFYZ2434909","name":"Start your engines!","registered_at":"2026-06-06T21:57:44Z","spotify_id":"3SMSFVTxRw3JgaZcClu9oP","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe223dd4c6f6b1f9b00510a5e78f6d789053c16b7735fb715cef5091383882de0. 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/3SMSFVTxRw3JgaZcClu9oP.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/3SMSFVTxRw3JgaZcClu9oP.
{"copyright_id":"0xda325dc4bccb18e8d8918609471f6fc21374e436c41ef1cf5393b5106f00af16","isrc":"QZFYZ2434910","name":"NODE GRAPH OUT OF DATE","registered_at":"2026-06-06T00:16:06Z","spotify_id":"1nD0Q5Fgr30ailCBehcYKd","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xda325dc4bccb18e8d8918609471f6fc21374e436c41ef1cf5393b5106f00af16. 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/1nD0Q5Fgr30ailCBehcYKd.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/1nD0Q5Fgr30ailCBehcYKd.
{"copyright_id":"0x27bbb724d8eb42076402d4e0a184e224718b382eccc926a672e4f4bc362c90fc","isrc":"QZFYZ2434911","name":"TOILET SHOP BROWSING","registered_at":"2026-06-07T10:22:55Z","spotify_id":"5r7SVDDMgCmCeQVIHfeGgh","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x27bbb724d8eb42076402d4e0a184e224718b382eccc926a672e4f4bc362c90fc. 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/5r7SVDDMgCmCeQVIHfeGgh.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/5r7SVDDMgCmCeQVIHfeGgh.
{"copyright_id":"0x4df33652d2b28f38f5dc70ef9ecf1f433664075d5029805a77d25dca05fb1545","isrc":"QZFYZ2434912","name":"SHENANIGANS AT AREA 51","registered_at":"2026-06-07T23:22:51Z","spotify_id":"4w9Ot9ePO5lzoLvwdwaWpM","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4df33652d2b28f38f5dc70ef9ecf1f433664075d5029805a77d25dca05fb1545. 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/4w9Ot9ePO5lzoLvwdwaWpM.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/4w9Ot9ePO5lzoLvwdwaWpM.
{"copyright_id":"0x7db81752fc2c3b0180b21eea7e879fe7809eed3e0e855f89abc84e6433ba2be6","isrc":"QZFYZ2434913","name":"Bug Music to Collect Bug Rocks to","registered_at":"2026-06-05T10:29:22Z","spotify_id":"3qH1hRWgZwBW1VXmbL7gb3","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7db81752fc2c3b0180b21eea7e879fe7809eed3e0e855f89abc84e6433ba2be6. 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/3qH1hRWgZwBW1VXmbL7gb3.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/3qH1hRWgZwBW1VXmbL7gb3.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7207484e3be385da5c0e7123100214c662317b6ce037d5a8322a3b1a9f52e976. 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/3gCBRl6eaehNezw93ZKkdr.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/3gCBRl6eaehNezw93ZKkdr.
{"copyright_id":"0xebfac9a1bf5c169de35c02c2255a53a33fe304baa648c8d92b79bb1be98f0d79","isrc":"QZFYZ2434915","name":"get a snack","registered_at":"2026-06-05T10:26:40Z","spotify_id":"69kKNrekJd7ajixTMgciy2","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xebfac9a1bf5c169de35c02c2255a53a33fe304baa648c8d92b79bb1be98f0d79. 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/69kKNrekJd7ajixTMgciy2.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/69kKNrekJd7ajixTMgciy2.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3f1591587ae98b8d98e22684c9df75b40be4e112d9dc2516321c3e552d018fca. 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/4KhDJIouFPeEScRPml540v.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/4KhDJIouFPeEScRPml540v.
{"copyright_id":"0x3e3a9e7d1a3c9ff77cfd778c243b36fede15cb1fc81d83390bd2ae29d12ed444","isrc":"QZFYZ2434917","name":"It's a Downpour","registered_at":"2026-06-07T10:26:17Z","spotify_id":"7zVJ7VUitUFVETKKzlkK55","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3e3a9e7d1a3c9ff77cfd778c243b36fede15cb1fc81d83390bd2ae29d12ed444. 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/7zVJ7VUitUFVETKKzlkK55.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/7zVJ7VUitUFVETKKzlkK55.
{"copyright_id":"0x47702e2de0f081fe0e01ad9ae8fdde5330f28c6317eb8900ad7e49bfcf9a79a2","isrc":"QZFYZ2434918","name":"WALL OF FIRE","registered_at":"2026-06-05T19:04:01Z","spotify_id":"4jBSgLX5V3yb9gdgtCrCkv","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x47702e2de0f081fe0e01ad9ae8fdde5330f28c6317eb8900ad7e49bfcf9a79a2. 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/4jBSgLX5V3yb9gdgtCrCkv.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/4jBSgLX5V3yb9gdgtCrCkv.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x594dde02ff68527d2e4879d75252bb9a9ef439912b44b032ea6d33f5989150a9. 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/2HqcmTcCu7QOMzEu3Ugss4.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/2HqcmTcCu7QOMzEu3Ugss4.
REGRETEVATOR (Original Game Soundtrack, Vol. 2)