ISRC QZMFV2000355
Verified recording
QZMFV2000355 is “El Guffy” by Grupo Los de la O,
registered on the CopyrightChains blockchain with CopyrightID
0xc00fe1fb177a42bdb2ca6b1755a806fd1ce32311dc4d93ffa06f3b53b17f4000 and independently timestamped
in Bitcoin block 953513 on 2026-06-13.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZMFV2000355.
Recording identifiers
- ISRC
- QZMFV2000355
- Title
- El Guffy
- Artist
- Grupo Los de la O
- CopyrightID (CopyrightChains transaction hash)
0xc00fe1fb177a42bdb2ca6b1755a806fd1ce32311dc4d93ffa06f3b53b17f4000
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T12:47:07+00:00
- Bitcoin block
- 953513
- Canonical record hash
sha256:d2707e5436f7866944b0f6b71328c734cb77a175567f81672cb1bc6a55d7e570- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZMFV2000355
- Bitcoin block existence check
- https://blockstream.info/api/block/953513