ISRC QZFZ22566068
Verified recording
QZFZ22566068 is “Sueño” by chckn,
registered on the CopyrightChains blockchain with CopyrightID
0x7237e3534faba226f529062a65d76c683f948a740a5e7f35b00d3222054cc623 and independently timestamped
in Bitcoin block 960268 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZFZ22566068.
Recording identifiers
- ISRC
- QZFZ22566068
- Title
- Sueño
- Artist
- chckn
- CopyrightID (CopyrightChains transaction hash)
0x7237e3534faba226f529062a65d76c683f948a740a5e7f35b00d3222054cc623
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T14:53:07+00:00
- Bitcoin block
- 960268
- Canonical record hash
sha256:bf5449d382a7adea15dff8b6067b525585a22cb9dfdf83c2501ed976097c8b62- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZFZ22566068
- Bitcoin block existence check
- https://blockstream.info/api/block/960268