ISRC QZES72376180
Verified recording
QZES72376180 is “Old Class Hero” by Mmork,
registered on the CopyrightChains blockchain with CopyrightID
0x1298bd84f23f6582043600a78b2ba7b07598abcb5893ad35cd1442796d519fc8 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/QZES72376180.
Recording identifiers
- ISRC
- QZES72376180
- Title
- Old Class Hero
- Artist
- Mmork
- CopyrightID (CopyrightChains transaction hash)
0x1298bd84f23f6582043600a78b2ba7b07598abcb5893ad35cd1442796d519fc8
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T04:14:58+00:00
- Bitcoin block
- 960344
- Canonical record hash
sha256:2e6be9554cda6b26abddafee710963c456f4ccb9cad3d0c3cf93c2be84fc77d2- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZES72376180
- Bitcoin block existence check
- https://blockstream.info/api/block/960344