ISRC QZFZ32491857
Verified recording
QZFZ32491857 is “Don't Doubt Yourself” by Kwákz,
registered on the CopyrightChains blockchain with CopyrightID
0x03d89238003e9d1c79563b59713369f27da62fe2c9525f924d7efda53a9ef91d and independently timestamped
in Bitcoin block 959107 on 2026-07-22.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZFZ32491857.
Recording identifiers
- ISRC
- QZFZ32491857
- Title
- Don't Doubt Yourself
- Artist
- Kwákz
- CopyrightID (CopyrightChains transaction hash)
0x03d89238003e9d1c79563b59713369f27da62fe2c9525f924d7efda53a9ef91d
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-22T07:19:23+00:00
- Bitcoin block
- 959107
- Canonical record hash
sha256:e5fcb3c5a843b260686d530169e6527bbe8e14367425ef7b0dcdac66204f1075- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZFZ32491857
- Bitcoin block existence check
- https://blockstream.info/api/block/959107