ISRC QZFZ32338706
Verified recording
QZFZ32338706 is “Kopf” by John Known,
registered on the CopyrightChains blockchain with CopyrightID
0x8d50dcfa55a3904a8970dd6112fefe6a092fcf820529d71532bd107983760d8e and independently timestamped
in Bitcoin block 960397 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZFZ32338706.
Recording identifiers
- ISRC
- QZFZ32338706
- Title
- Kopf
- Artist
- John Known
- CopyrightID (CopyrightChains transaction hash)
0x8d50dcfa55a3904a8970dd6112fefe6a092fcf820529d71532bd107983760d8e
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T12:24:41+00:00
- Bitcoin block
- 960397
- Canonical record hash
sha256:68b1100de29cfc2732f198aa4201b485742d0fc86ce99e96780176bf1f2b3225- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZFZ32338706
- Bitcoin block existence check
- https://blockstream.info/api/block/960397