ISRC QZKU62000224
Verified recording
QZKU62000224 is “Estuvo Mal” by Grupo Sigma,
registered on the CopyrightChains blockchain with CopyrightID
0x2f640f592ff2121ecf828467fc9b9bb70d4d4b66df3dd5ae79fb607e2c965f73 and independently timestamped
in Bitcoin block 960468 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZKU62000224.
Recording identifiers
- ISRC
- QZKU62000224
- Title
- Estuvo Mal
- Artist
- Grupo Sigma
- CopyrightID (CopyrightChains transaction hash)
0x2f640f592ff2121ecf828467fc9b9bb70d4d4b66df3dd5ae79fb607e2c965f73
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T21:25:57+00:00
- Bitcoin block
- 960468
- Canonical record hash
sha256:a063eb89ca4c412a691427e35624ead8a959b4714568a0d8a762b8aabc0499db- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZKU62000224
- Bitcoin block existence check
- https://blockstream.info/api/block/960468