ISRC QZNJV2073310
Verified recording
QZNJV2073310 is “El Matracazo” by Gualberto Ibarreto,
registered on the CopyrightChains blockchain with CopyrightID
0x2252effca0d4c8d002442e86d4d2b6d11b3d427909e6ace2cf82e6206091e8df and independently timestamped
in Bitcoin block 960117 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZNJV2073310.
Recording identifiers
- ISRC
- QZNJV2073310
- Title
- El Matracazo
- Artist
- Gualberto Ibarreto
- CopyrightID (CopyrightChains transaction hash)
0x2252effca0d4c8d002442e86d4d2b6d11b3d427909e6ace2cf82e6206091e8df
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T14:28:24+00:00
- Bitcoin block
- 960117
- Canonical record hash
sha256:a98f89d10fa6582a3dc27cb07c83f587a7f987d789edcfe5e94ff33bcbdf3293- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZNJV2073310
- Bitcoin block existence check
- https://blockstream.info/api/block/960117