ISRC QZFZ62010560
Verified recording
QZFZ62010560 is “Listen In” by John Mackk,
registered on the CopyrightChains blockchain with CopyrightID
0xebe47802cff19f1d08d1c30b0e990255d3595c4395f88374d65eabd7d4b083d7 and independently timestamped
in Bitcoin block 960344 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZFZ62010560.
Recording identifiers
- ISRC
- QZFZ62010560
- Title
- Listen In
- Artist
- John Mackk
- CopyrightID (CopyrightChains transaction hash)
0xebe47802cff19f1d08d1c30b0e990255d3595c4395f88374d65eabd7d4b083d7
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T04:14:58+00:00
- Bitcoin block
- 960344
- Canonical record hash
sha256:97d70a514de97764ae1dee854b740c6c20cd2762f2d66d975e6e20bf9d657728- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZFZ62010560
- Bitcoin block existence check
- https://blockstream.info/api/block/960344