ISRC QZFZ52088170
Verified recording
QZFZ52088170 is “Legends” by John Mackk,
registered on the CopyrightChains blockchain with CopyrightID
0x382cdbe7cfc0a2dbf740f9ec9d834d11469e5074d357dfa9fc2d1bf48341ee34 and independently timestamped
in Bitcoin block 960362 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZFZ52088170.
Recording identifiers
- ISRC
- QZFZ52088170
- Title
- Legends
- Artist
- John Mackk
- CopyrightID (CopyrightChains transaction hash)
0x382cdbe7cfc0a2dbf740f9ec9d834d11469e5074d357dfa9fc2d1bf48341ee34
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T06:58:00+00:00
- Bitcoin block
- 960362
- Canonical record hash
sha256:7d789769b262d1dd3f153efc46e12c8bf932fe6cca5b4222724098beaeaaa4cf- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZFZ52088170
- Bitcoin block existence check
- https://blockstream.info/api/block/960362