Grupo Cumbiando de Edgar Dominguez y Daniel Martinez
{"copyright_id":"0x0c0deeae9b11e4226cb189dda3608bb16d4f4474e00f68490b43833381cdd77e","name":"Grupo Cumbiando de Edgar Dominguez y Daniel Martinez","registered_at":"2026-06-20T09:11:07Z","symbol":"NIM1578888","token_address":"0xfaf997027aca438e2878bf526bcab18e12ecfc51","type":"artist","uuid":"aafa9338-d238-4e6f-aa4d-890d0cfc9549"}
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 0x0c0deeae9b11e4226cb189dda3608bb16d4f4474e00f68490b43833381cdd77e. Chain 2 (Bitcoin): anchored in block 954549 (2026-06-20T10:56:20Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/aafa9338-d238-4e6f-aa4d-890d0cfc9549.json and https://artists.proofprofile.net/proofs/artist/aafa9338-d238-4e6f-aa4d-890d0cfc9549.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Titanio y Sus Amigos Presenta a Grupo Cumbiando de Edgar Dominguez y Daniel Martinez
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 0xcb2584ca1f78ebf2b97aadbae990f36d2244e0b0fb0fac6f87b1cc9dd8143c7c. Chain 2 (Bitcoin): anchored in block 958985 (2026-07-21T08:39:15Z), 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/FR2X41917284.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8cfcb10111f7814488af602512215d5f3f5a8632bf2b83dd0e3fc3289a7e4b69. Chain 2 (Bitcoin): anchored in block 958444 (2026-07-17T19:12:23Z), 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/MX4971533786.