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 0x38a833d2bc13bbdf1f9116d7044e31d525bc332775930c9c91cceb0b0c25efdf. 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/b2f411c3-bbe9-4173-8807-803206970c23.json and https://artists.proofprofile.net/proofs/artist/b2f411c3-bbe9-4173-8807-803206970c23.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 0x62468326ae2fa1b1154a2bdd1562609377cdaa142053e66f2d80aa37068f5b94. 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/0dEO7G0QAHrjrnM1vPDlGE.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/0dEO7G0QAHrjrnM1vPDlGE.
{"copyright_id":"0x5d6eb21d07cb072a690ce4f3ec11a8f389e90912d8c7b75cca5b2750f5f9a950","isrc":"BRFU72000052","name":"A Minha Alma Tem Sede de Deus","registered_at":"2026-06-29T15:38:41Z","spotify_id":"4SgqPOTEnVZmy58XGaUkwn","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5d6eb21d07cb072a690ce4f3ec11a8f389e90912d8c7b75cca5b2750f5f9a950. 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/4SgqPOTEnVZmy58XGaUkwn.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/4SgqPOTEnVZmy58XGaUkwn.
{"copyright_id":"0xd7ea66cba97c4042c8f6382f6cc4e2518e7f84855ddb5b6d5a939f0766d5c7b5","isrc":"USCGH1609662","name":"Como É Linda a Nossa Família (Ao Vivo)","registered_at":"2026-06-19T16:44:57Z","spotify_id":"2jTVO9Zxg2Hwtx7jsW9Rcj","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd7ea66cba97c4042c8f6382f6cc4e2518e7f84855ddb5b6d5a939f0766d5c7b5. 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/2jTVO9Zxg2Hwtx7jsW9Rcj.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/2jTVO9Zxg2Hwtx7jsW9Rcj.
Clamando o Sangue de Jesus Sobre Nossas Casas
{"copyright_id":"0xe21d3ce71a2981933324cde343478afff98b6dacc01ee27520d6932bedeafde2","isrc":"USCGH1645088","name":"Sacramento da Comunhão (Ao Vivo)","registered_at":"2026-06-01T23:23:56Z","spotify_id":"08dA4l3OcDLn0g0trbLzSV","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe21d3ce71a2981933324cde343478afff98b6dacc01ee27520d6932bedeafde2. 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/08dA4l3OcDLn0g0trbLzSV.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/08dA4l3OcDLn0g0trbLzSV.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9879e7e3ade6495408d1f60c224693a11441f014830a2a5be8f73a09897d6641. 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/0ghc5ciybgrsiJMeqL4KBJ.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/0ghc5ciybgrsiJMeqL4KBJ.
{"copyright_id":"0xd983a9334e6cc01a3aa54dc2d44c241bb2e67b0a7e15be789603e94ba5d9d80f","isrc":"USX9P1416828","name":"Encontro Com o Crucificado","registered_at":"2026-06-11T17:06:38Z","spotify_id":"2fkEqQqvFsJRnE1DCdhy6o","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd983a9334e6cc01a3aa54dc2d44c241bb2e67b0a7e15be789603e94ba5d9d80f. 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/2fkEqQqvFsJRnE1DCdhy6o.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/2fkEqQqvFsJRnE1DCdhy6o.