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 0x512add833a0374a703b0faa252f8a528e5c14f9dc369e7016c27dbe551dda51f. 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/eb9dd39e-b1c4-4e51-a9ce-d6047efdcf09.json and https://artists.proofprofile.net/proofs/artist/eb9dd39e-b1c4-4e51-a9ce-d6047efdcf09.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 0x1f404e41522980f7698c341ef0313215058ada9699360d4085a50755d9c7ea06. 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/3EDVjg9nrpDhFSPMlroTPc.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/3EDVjg9nrpDhFSPMlroTPc.
{"copyright_id":"0x4e3f019c6afaf23bcd9d8d118b0f7f90015d9f9c6c4f701d10fd692f775f178f","isrc":"BCK3S2300024","name":"Aulinha De Quicada","registered_at":"2026-06-08T18:41:07Z","spotify_id":"3R46l1Pw2uKAHLV71YJTaY","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4e3f019c6afaf23bcd9d8d118b0f7f90015d9f9c6c4f701d10fd692f775f178f. 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/3R46l1Pw2uKAHLV71YJTaY.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/3R46l1Pw2uKAHLV71YJTaY.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x541ecb77739a912850c38957a2e16085a51206428ae48ed23d324807eaad8bf1. 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/1wqpmI5TSI18ywTOCYe7PE.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/1wqpmI5TSI18ywTOCYe7PE.
{"copyright_id":"0x8f0f4985cecdf31df4002a9a45f74a4123a5c3713ebf0717b30dceb31aa8fcce","isrc":"BCMTK2200003","name":"Nem Aí","registered_at":"2026-06-23T06:28:32Z","spotify_id":"5IBhPZyLaFRw6Ilny0EFVi","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8f0f4985cecdf31df4002a9a45f74a4123a5c3713ebf0717b30dceb31aa8fcce. 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/5IBhPZyLaFRw6Ilny0EFVi.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/5IBhPZyLaFRw6Ilny0EFVi.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8c2cc247814701cb83bced0e46c91c273322623abeb374aa4068c123dbb74b4b. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3HrrvE3NJCPu18Fz1zuGww.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/3HrrvE3NJCPu18Fz1zuGww.
{"copyright_id":"0xd51d72c3eee0c35760fceeebd522aa9e3dde671c6b968e21a8bc6639d22b1049","isrc":"BCDFI2200008","name":"convoca (Prod. Maikinho)","registered_at":"2026-06-24T22:57:18Z","spotify_id":"4IUsPlcSZWNv0arE2CAfln","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd51d72c3eee0c35760fceeebd522aa9e3dde671c6b968e21a8bc6639d22b1049. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4IUsPlcSZWNv0arE2CAfln.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/4IUsPlcSZWNv0arE2CAfln.
{"copyright_id":"0x5bdc64b797e79934ae54ecee9adbfc305dc25b7ce65e44eca8886564a58a1413","isrc":"BCK3S2200001","name":"roubando a cena","registered_at":"2026-06-09T06:20:28Z","spotify_id":"103mIHKEYSnwEBc3nT9meN","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5bdc64b797e79934ae54ecee9adbfc305dc25b7ce65e44eca8886564a58a1413. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/103mIHKEYSnwEBc3nT9meN.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/103mIHKEYSnwEBc3nT9meN.
{"copyright_id":"0x21e6715dc2a3be274ef8e25d1818e2957632302dd24cea0f2aeefff48e7e67ca","isrc":"BCK3S2200023","name":"tá tarada - remix","registered_at":"2026-06-20T02:04:16Z","spotify_id":"3S0WLPo7QXCjsl19iLBs7T","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x21e6715dc2a3be274ef8e25d1818e2957632302dd24cea0f2aeefff48e7e67ca. 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/3S0WLPo7QXCjsl19iLBs7T.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/3S0WLPo7QXCjsl19iLBs7T.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8c2cc247814701cb83bced0e46c91c273322623abeb374aa4068c123dbb74b4b. 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/25BCBAxBSpJ8evRp7pI3QA.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/25BCBAxBSpJ8evRp7pI3QA.
{"copyright_id":"0xd51d72c3eee0c35760fceeebd522aa9e3dde671c6b968e21a8bc6639d22b1049","isrc":"BCDFI2200008","name":"convoca (Prod. Maikinho)","registered_at":"2026-06-24T22:57:18Z","spotify_id":"4vlKtPzQTQiHh918NEDcl7","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd51d72c3eee0c35760fceeebd522aa9e3dde671c6b968e21a8bc6639d22b1049. 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/4vlKtPzQTQiHh918NEDcl7.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/4vlKtPzQTQiHh918NEDcl7.
{"copyright_id":"0x5bdc64b797e79934ae54ecee9adbfc305dc25b7ce65e44eca8886564a58a1413","isrc":"BCK3S2200001","name":"roubando a cena","registered_at":"2026-06-09T06:20:28Z","spotify_id":"1jdWoanP3m1glSvH7qN2aE","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5bdc64b797e79934ae54ecee9adbfc305dc25b7ce65e44eca8886564a58a1413. 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/1jdWoanP3m1glSvH7qN2aE.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/1jdWoanP3m1glSvH7qN2aE.
{"copyright_id":"0x1cf9cd416ed3bd1a0c59234f492acf62e9973d4fdd02ccc71e691d9d7e4276ed","isrc":"BCK3S2200004","name":"implorar amor","registered_at":"2026-06-24T09:06:58Z","spotify_id":"2q8Ev6sktJzqHZKZwBCXTU","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1cf9cd416ed3bd1a0c59234f492acf62e9973d4fdd02ccc71e691d9d7e4276ed. 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/2q8Ev6sktJzqHZKZwBCXTU.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/2q8Ev6sktJzqHZKZwBCXTU.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd989fc31b5a5495187ed03e0d84cfb72efa0fee1dd2e16b4796398e16562cde6. 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/5CgshXFOD2zlRXI2Oq1Dkn.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/5CgshXFOD2zlRXI2Oq1Dkn.
{"copyright_id":"0xe8174bf5c4c7536ff2121c50fa6bffa4c90e2464a584c144ac602e70f84af853","isrc":"BCK3S2400001","name":"Foi no Bailão (feat. BR DA TIJUCA)","registered_at":"2026-06-11T04:53:22Z","spotify_id":"2UsBbEdcVQsDO2QkJ9b5y7","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe8174bf5c4c7536ff2121c50fa6bffa4c90e2464a584c144ac602e70f84af853. 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/2UsBbEdcVQsDO2QkJ9b5y7.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/2UsBbEdcVQsDO2QkJ9b5y7.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x83d863a5c11cf3ad9e40abc932866cbd1c2ffc1f288940ccb3e93859c1ddec60. 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/7tGzVJFdCTrcaPg3fqPN3X.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/7tGzVJFdCTrcaPg3fqPN3X.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x32877a0a98d6673f7effd3761f77259737ef105583281d4a077221535245d7a9. Chain 2 (Bitcoin): anchored in block 956894 (2026-07-06T07:53:57Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5FKzPTFdWWTPyrBpafs7tq.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/5FKzPTFdWWTPyrBpafs7tq.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x32877a0a98d6673f7effd3761f77259737ef105583281d4a077221535245d7a9. 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/3B7S4FCAO5vsajbmvcZcWQ.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/3B7S4FCAO5vsajbmvcZcWQ.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xecc0382da3340fe9127bae26931c97f6f5334b3faee35089836502c5b339970e. 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/603qkDcwOOgLzVHcstspwf.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/603qkDcwOOgLzVHcstspwf.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x543104bfbe10fdcc9c9d2d2552d78d84ea905e79c10f8faf92ffc8acbe8f82f8. 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/2J3AJ5KoxccD2VXKcWtsxe.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/2J3AJ5KoxccD2VXKcWtsxe.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe52d44ddc969101356fee332c54facec29d8e59e5ea5f95a95bc0ee0b5ae392c. 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/2kelStlPdy4CDZgxJK9SHa.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/2kelStlPdy4CDZgxJK9SHa.
{"copyright_id":"0x9e14edcf7e8d81e81ebf7ffef352f56c4adb2ae38c3ded73fab0c381a15c54a0","isrc":"BCDFI2300004","name":"Tropinha das Gostosas","registered_at":"2026-06-10T17:31:00Z","spotify_id":"3ii9cTTs7GnGuA48rDE9wr","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9e14edcf7e8d81e81ebf7ffef352f56c4adb2ae38c3ded73fab0c381a15c54a0. 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/3ii9cTTs7GnGuA48rDE9wr.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/3ii9cTTs7GnGuA48rDE9wr.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x33ef04a47d2054f7eba6fda14846b20e09352b59a9c410e4c46cc10343fe6dc6. 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/0iq1GZdEOrgxkYueWd4AiK.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/0iq1GZdEOrgxkYueWd4AiK.
{"copyright_id":"0x21e6715dc2a3be274ef8e25d1818e2957632302dd24cea0f2aeefff48e7e67ca","isrc":"BCK3S2200023","name":"tá tarada - remix","registered_at":"2026-06-20T02:04:16Z","spotify_id":"0u0SzoU9EkahuUftwhtCey","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x21e6715dc2a3be274ef8e25d1818e2957632302dd24cea0f2aeefff48e7e67ca. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0u0SzoU9EkahuUftwhtCey.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/0u0SzoU9EkahuUftwhtCey.
{"copyright_id":"0x5bdc64b797e79934ae54ecee9adbfc305dc25b7ce65e44eca8886564a58a1413","isrc":"BCK3S2200001","name":"roubando a cena","registered_at":"2026-06-09T06:20:28Z","spotify_id":"1PCrnHwrKGQThZXExtDeod","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5bdc64b797e79934ae54ecee9adbfc305dc25b7ce65e44eca8886564a58a1413. 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/1PCrnHwrKGQThZXExtDeod.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/1PCrnHwrKGQThZXExtDeod.
{"copyright_id":"0xd51d72c3eee0c35760fceeebd522aa9e3dde671c6b968e21a8bc6639d22b1049","isrc":"BCDFI2200008","name":"convoca (Prod. Maikinho)","registered_at":"2026-06-24T22:57:18Z","spotify_id":"6QNcgIuTS195g4AKR4eyNh","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd51d72c3eee0c35760fceeebd522aa9e3dde671c6b968e21a8bc6639d22b1049. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6QNcgIuTS195g4AKR4eyNh.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/6QNcgIuTS195g4AKR4eyNh.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xea7129f3453c72280d2d80f552dbcc60869c4da7ca27e3cce1b957e05d61826a. 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/0AbGteSOTbB1dC7mwJRvbV.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/0AbGteSOTbB1dC7mwJRvbV.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x12614d5e5df7eae178817c4484624b98564e858bfee9c73e1a7c6e2b51ab4f5a. 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/61jYnAUclCOarbNsNWDYS4.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/61jYnAUclCOarbNsNWDYS4.
{"copyright_id":"0x37f9fc1303d00e20443e0d4862b5d2d0dffb80593f1fb6139e2cefe2e4a69357","isrc":"BCDFI2100001","name":"Aquecimento da Tília","registered_at":"2026-06-09T06:17:14Z","spotify_id":"6KDcZKTFmrwjuYmmpzELuf","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x37f9fc1303d00e20443e0d4862b5d2d0dffb80593f1fb6139e2cefe2e4a69357. 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/6KDcZKTFmrwjuYmmpzELuf.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/6KDcZKTFmrwjuYmmpzELuf.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xea44ad329d97e190cf226e856207d74142ef02ca7c5db4c43674ecb09d7c0d56. 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/42BdurrPU0lHhsoSzqcSoC.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/42BdurrPU0lHhsoSzqcSoC.