ISRC QZFZ62169741
Verified recording
QZFZ62169741 is “Mine” by John Mackk,
registered on the CopyrightChains blockchain with CopyrightID
0x4d4e32be1a315f4c71971b8963b38fdd5374d1fe0d0d0a8dde07f0fcb5775c8e and independently timestamped
in Bitcoin block 957118 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZFZ62169741.
Recording identifiers
- ISRC
- QZFZ62169741
- Title
- Mine
- Artist
- John Mackk
- CopyrightID (CopyrightChains transaction hash)
0x4d4e32be1a315f4c71971b8963b38fdd5374d1fe0d0d0a8dde07f0fcb5775c8e
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:78515362cd249b74da568e2f52dd0973c9898ba9fa7e6e8fa79b5bdce17761a7- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZFZ62169741
- Bitcoin block existence check
- https://blockstream.info/api/block/957118