Coro Polifónico Y Fanfarria Militar Alto Peru
{"copyright_id":"0x6c4642113336bbd337016d83e3d14290ca00e9e24e5c9dcfdd7d5aae1aafbc1a","name":"Coro Polifónico Y Fanfarria Militar Alto Peru","registered_at":"2026-06-20T19:00:58Z","symbol":"NIM1685590","token_address":"0x8ae447087f907d011c5021dba8f7db6fb20d911c","type":"artist","uuid":"bf20d46d-2abe-4e75-9f06-a24a3eccb1c2"}
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 0x6c4642113336bbd337016d83e3d14290ca00e9e24e5c9dcfdd7d5aae1aafbc1a. Chain 2 (Bitcoin): anchored in block 954667 (2026-06-21T07:29:20Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/bf20d46d-2abe-4e75-9f06-a24a3eccb1c2.json and https://artists.proofprofile.net/proofs/artist/bf20d46d-2abe-4e75-9f06-a24a3eccb1c2.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 0x61d3e1ac32d4c79e6aa67c4a79de9534daba5468a6d3b8e1bc6a7b53ced4aef4. Chain 2 (Bitcoin): anchored in block 958355 (2026-07-17T03:11:50Z), 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/ARF070701303.