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 0x03e72bf83a5e5f6ad27afc02dafad633030b7c74e5d4be666857a94f6ea484b6. 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/81ad39ea-a97b-41b0-9326-5fa014ca370c.json and https://artists.proofprofile.net/proofs/artist/81ad39ea-a97b-41b0-9326-5fa014ca370c.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
{"copyright_id":"0xd6d0f95cfc5f97b76dff1fe43b4460da423a139cd4a299554e1d63c538714f1d","isrc":"QMDA62205793","name":"beautiful mind","registered_at":"2026-06-06T12:48:53Z","spotify_id":"0qi9yGpX9CO5s5rvYIXkvH","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 0xd6d0f95cfc5f97b76dff1fe43b4460da423a139cd4a299554e1d63c538714f1d. 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/0qi9yGpX9CO5s5rvYIXkvH.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/0qi9yGpX9CO5s5rvYIXkvH.
{"copyright_id":"0xd2bdfbb202a08c3c28009b938daddfb3aacd04e55dbf6fdc9cb4b3d09dcb295b","isrc":"QM6MZ2274596","name":"Up on Me","registered_at":"2026-06-04T16:45:56Z","spotify_id":"770u9kefKWPtkbUMFRLuCC","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd2bdfbb202a08c3c28009b938daddfb3aacd04e55dbf6fdc9cb4b3d09dcb295b. 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/770u9kefKWPtkbUMFRLuCC.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/770u9kefKWPtkbUMFRLuCC.
{"copyright_id":"0x94ea3579026246bcfcba68f315b6ff3c53a3ffa3ad19e1baa360bb9c6fa8e1af","isrc":"QM4TX2226318","name":"Unfiltered Love","registered_at":"2026-06-27T15:06:09Z","spotify_id":"2GObEC4pLBtHxN4f0UELWn","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x94ea3579026246bcfcba68f315b6ff3c53a3ffa3ad19e1baa360bb9c6fa8e1af. 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/2GObEC4pLBtHxN4f0UELWn.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/2GObEC4pLBtHxN4f0UELWn.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x36ea19f076947563327aa615132efa8510584f68cfbc85b6774df2011f618c63. 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/6vstb8RhmMBhaccswf570l.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/6vstb8RhmMBhaccswf570l.
{"copyright_id":"0xf418d0dc7181a1ddf5d8d6f5374ee6dc0e41e9eb377ce1163bbe3f943cbb2f5c","isrc":"QMFME2174806","name":"I Don't Know Why","registered_at":"2026-06-24T22:39:35Z","spotify_id":"32vA9MZKKRAqWgT0BdqOiy","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf418d0dc7181a1ddf5d8d6f5374ee6dc0e41e9eb377ce1163bbe3f943cbb2f5c. 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/32vA9MZKKRAqWgT0BdqOiy.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/32vA9MZKKRAqWgT0BdqOiy.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2980df67be2e43589917150cdf7066c175f694e0026c1e3465887599ae66184d. 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/7g5KCDLzTahqgUmoqxEBVI.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/7g5KCDLzTahqgUmoqxEBVI.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1baf8eca4c2d0c123ab6896ced5c6ecf72c33081a450d16a48560ae2f24a6401. 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/4ONrsdJhPZPHbyIQe3R4rM.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/4ONrsdJhPZPHbyIQe3R4rM.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7954cc9053108def9b15f3bd90a8282e0d08206de05f9cc39178b073fba45d36. 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/3Nu3ZK2wiKUvGebxxO6e9u.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/3Nu3ZK2wiKUvGebxxO6e9u.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x528d382b460064f68fe0c8f18fdd52f89107b02f44efe21634b74070a048eba5. 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/2gw8lc4nlLZ2ctQlyS984b.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/2gw8lc4nlLZ2ctQlyS984b.
Distractions - Extended Instrumental Mix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6d45a24bf9563c8b491b12d72f03c0d352e753b9ff138432f5c8eb2eccbce71b. 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/3AdaA6c1T1RUj0T6elI60O.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/3AdaA6c1T1RUj0T6elI60O.
{"copyright_id":"0x9011cd7d7db0fb143b74587c6a7c2bf114dea3897821038d55d21d8fb0ce69f5","isrc":"NLT2H2400172","name":"Last Day Of Summer","registered_at":"2026-06-05T13:48:25Z","spotify_id":"77DPvfOqNxUfL2gLvkhSr6","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9011cd7d7db0fb143b74587c6a7c2bf114dea3897821038d55d21d8fb0ce69f5. 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/77DPvfOqNxUfL2gLvkhSr6.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/77DPvfOqNxUfL2gLvkhSr6.