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 0x969590137b6161dc7c5f702a344b80bec7a0accc4ef13ff352ea104e098da111. 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/d73a01bd-bc88-4734-8c24-b4ddb9ffe878.json and https://artists.proofprofile.net/proofs/artist/d73a01bd-bc88-4734-8c24-b4ddb9ffe878.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
El Tiempo De Dios No Siempre Es Perfecto
Una Semana Antes Del Paraíso Lo-Fi Version
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 0x83468abf74ba9b0b98db28f8e578474cee4077f325709a75b43e5ab2b4c4b18f. Chain 2 (Bitcoin): anchored in block 956476 (2026-07-03T09:04:44Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/34y3MtDxzDqPbxe9b4aGxp.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/34y3MtDxzDqPbxe9b4aGxp.
{"copyright_id":"0x7e38624cbdb94eabf26fd5f011d8bde7312e365ceb24738ee5ff52733c0ab5e1","isrc":"USA2P2235762","name":"Altas Horas","registered_at":"2026-06-07T15:57:31Z","spotify_id":"2yPcst6SEaJyMnyulPhrPJ","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7e38624cbdb94eabf26fd5f011d8bde7312e365ceb24738ee5ff52733c0ab5e1. 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/2yPcst6SEaJyMnyulPhrPJ.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/2yPcst6SEaJyMnyulPhrPJ.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x556c491a952e77415a4053c2581f6c006c55893a8e5fe10af591a7b4bc8bef5f. 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/6d2xWVaks53eDiXE2VZoFv.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/6d2xWVaks53eDiXE2VZoFv.
{"copyright_id":"0x9dcb13f613efec5cf8638c487c720ebeac80c59fed4b2a858eb820bf33625f22","isrc":"USA2P2411860","name":"No Estás","registered_at":"2026-06-07T15:57:11Z","spotify_id":"4F1uY0aqxzMU5TbShevcTX","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9dcb13f613efec5cf8638c487c720ebeac80c59fed4b2a858eb820bf33625f22. 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/4F1uY0aqxzMU5TbShevcTX.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/4F1uY0aqxzMU5TbShevcTX.
{"copyright_id":"0x68c5c7a0ac3f6324fcfa9e96c37d5b5435745acce59e296a98634f588adf102d","isrc":"USA2P2411861","name":"No Me Siento Solo","registered_at":"2026-06-08T23:49:15Z","spotify_id":"3nBSYWIUjia3oXhlQA8j7a","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x68c5c7a0ac3f6324fcfa9e96c37d5b5435745acce59e296a98634f588adf102d. 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/3nBSYWIUjia3oXhlQA8j7a.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/3nBSYWIUjia3oXhlQA8j7a.
{"copyright_id":"0x7e38624cbdb94eabf26fd5f011d8bde7312e365ceb24738ee5ff52733c0ab5e1","isrc":"USA2P2235762","name":"Altas Horas","registered_at":"2026-06-07T15:57:31Z","spotify_id":"6s8T8UEUCqDmV9WIBrtM4S","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7e38624cbdb94eabf26fd5f011d8bde7312e365ceb24738ee5ff52733c0ab5e1. 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/6s8T8UEUCqDmV9WIBrtM4S.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/6s8T8UEUCqDmV9WIBrtM4S.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x83468abf74ba9b0b98db28f8e578474cee4077f325709a75b43e5ab2b4c4b18f. 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/4iiQpbRdR3MMIyAQALNS3S.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/4iiQpbRdR3MMIyAQALNS3S.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5c68a6c92a8023c69370d1b27de1b8495f1c17f1e11b183bbbd4811bb3eca84c. 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/7ti8zKr8BQ6CaLi4oxtp9v.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/7ti8zKr8BQ6CaLi4oxtp9v.
{"copyright_id":"0x556c491a952e77415a4053c2581f6c006c55893a8e5fe10af591a7b4bc8bef5f","isrc":"USA2P2361145","name":"COMME des GARÇONS","registered_at":"2026-06-08T23:49:29Z","spotify_id":"4VKgOveZAWBkhWX1EHtDe5","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x556c491a952e77415a4053c2581f6c006c55893a8e5fe10af591a7b4bc8bef5f. 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/4VKgOveZAWBkhWX1EHtDe5.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/4VKgOveZAWBkhWX1EHtDe5.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3125e7fbb28fa2c5481a2143847f464d3a97a391ae1a8214b31d6abca9798b13. 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/7g8RM5mcRs86mFGPh86Ky1.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/7g8RM5mcRs86mFGPh86Ky1.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x78fd88f89f3449a37a5711935f6605541f520eb7e417f7666cc7fd5a8ed9bc31. 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/1fmwAxqjtOmy3DDrQz47qh.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/1fmwAxqjtOmy3DDrQz47qh.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb8a3371764674334c32d626686f49e71ebe81e63d33dd70ac0090df122886718. 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/0H6YdUU7vTO69drCvWkdyr.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/0H6YdUU7vTO69drCvWkdyr.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe3b0aa9fec47d970ededf366bea0a9ef403b65799717a8d44e628ed3de19c7c3. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0RDV13wD27ve9C9c4vHYMO.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/0RDV13wD27ve9C9c4vHYMO.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x251b758e416425bea819b15a09d447286a2f69346855fabd59b930926fa98058. 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/0X1rzEkRPq2NTNizARWYxm.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/0X1rzEkRPq2NTNizARWYxm.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa3cf8e5bc926c2d16ee7ada82c332bd984cbaaa087f542d48a925190d7106089. 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/64tuMkafK35OSgXmLYi1Ph.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/64tuMkafK35OSgXmLYi1Ph.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2512f7d5877b2e9dc978f0d4e0065c3737407eea06248e8778a8d1b17d02c558. 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/7IM84yVmI7jSF9FeUIE6IP.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/7IM84yVmI7jSF9FeUIE6IP.
{"copyright_id":"0x346e4ac744dc79a8f01ef1e8d20ba7a7af29add9afa579914a2cd19702174ec1","isrc":"USA2P2411868","name":"Camino A La Felicidad","registered_at":"2026-06-17T10:30:22Z","spotify_id":"1TC4uVpSt71YY67CY1US8T","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x346e4ac744dc79a8f01ef1e8d20ba7a7af29add9afa579914a2cd19702174ec1. Chain 2 (Bitcoin): anchored in block 954130 (2026-06-17T20:48:13Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1TC4uVpSt71YY67CY1US8T.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/1TC4uVpSt71YY67CY1US8T.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xde72f7c7b1781b6063ed061dc1589b85f22f53d2da4e6436d4616608c49ac725. 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/67zt2APRsBBhCRSdaIWhfb.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/67zt2APRsBBhCRSdaIWhfb.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbe3fad0cf20011f28c1bd953c52d50178a9939355d68baba217796df64bcb254. 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/5HumiXK8HoIZ7hw5XgaU55.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/5HumiXK8HoIZ7hw5XgaU55.