Banda de Cornetas y Tambores Nuestra Señora del Rosario "Catalinos"
{"copyright_id":"0x20cf93c2fdb8418712c52db47f513fe3640f648d69df2f605b45818fc0470575","name":"Banda de Cornetas y Tambores Nuestra Señora del Rosario \"Catalinos\"","registered_at":"2026-06-20T16:01:22Z","symbol":"NIM1649315","token_address":"0xd44e6ec88d32b3cb932c55bf7770c9c26ed2b0ec","type":"artist","uuid":"b8aa7819-fa4f-4ca3-86bd-ee47e493ec46"}
1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 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 0x20cf93c2fdb8418712c52db47f513fe3640f648d69df2f605b45818fc0470575. Chain 2 (Bitcoin): anchored in block 954588 (2026-06-20T19:15:05Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/b8aa7819-fa4f-4ca3-86bd-ee47e493ec46.json and https://artists.proofprofile.net/proofs/artist/b8aa7819-fa4f-4ca3-86bd-ee47e493ec46.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x33444487c1dce7d8078f0839b8f3b9352d2a1e875fcade3f369720d5ad45be68. Chain 2 (Bitcoin): anchored in block 956742 (2026-07-05T05:07:15Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCAHA2345086.
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