ISRC QZFZ21915956
Verified recording
QZFZ21915956 is “Man in Me” by John Mackk,
registered on the CopyrightChains blockchain with CopyrightID
0xe43ca13e8f379587d2ad51585b7cec9bb7a2bfd533089c6199118bba188fdeb7 and independently timestamped
in Bitcoin block 960500 on 2026-08-01.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZFZ21915956.
Recording identifiers
- ISRC
- QZFZ21915956
- Title
- Man in Me
- Artist
- John Mackk
- CopyrightID (CopyrightChains transaction hash)
0xe43ca13e8f379587d2ad51585b7cec9bb7a2bfd533089c6199118bba188fdeb7
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-08-01T03:13:03+00:00
- Bitcoin block
- 960500
- Canonical record hash
sha256:ef50cd6b785e58a0bcbdfdcc506a60d0945d943e725284ad76e16dba8984d9b6- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZFZ21915956
- Bitcoin block existence check
- https://blockstream.info/api/block/960500