ISRC QZHZ52021573
Verified recording
QZHZ52021573 is “Prefiero” by Andrés Guerrero,
registered on the CopyrightChains blockchain with CopyrightID
0xf6ecb8c6fadd9067837ddaf8464d430c20652fe30c3c6db61599caa90a89ae81 and independently timestamped
in Bitcoin block 960441 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZHZ52021573.
Recording identifiers
- ISRC
- QZHZ52021573
- Title
- Prefiero
- Artist
- Andrés Guerrero
- CopyrightID (CopyrightChains transaction hash)
0xf6ecb8c6fadd9067837ddaf8464d430c20652fe30c3c6db61599caa90a89ae81
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T17:29:52+00:00
- Bitcoin block
- 960441
- Canonical record hash
sha256:9fef346cf23f8472f8090e11a133109c883e65a717ec500d751e87a50c76854a- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZHZ52021573
- Bitcoin block existence check
- https://blockstream.info/api/block/960441