ISRC QZHN82291250
Verified recording
QZHN82291250 is “Negative Twelfth” by The Cromagnon Band,
registered on the CopyrightChains blockchain with CopyrightID
0x26df5e2f96b0e1ce1311298d383d06f8609bc1c62ade23547a6b24c65f73c95d and independently timestamped
in Bitcoin block 960403 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZHN82291250.
Recording identifiers
- ISRC
- QZHN82291250
- Title
- Negative Twelfth
- Artist
- The Cromagnon Band
- CopyrightID (CopyrightChains transaction hash)
0x26df5e2f96b0e1ce1311298d383d06f8609bc1c62ade23547a6b24c65f73c95d
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T13:04:34+00:00
- Bitcoin block
- 960403
- Canonical record hash
sha256:aaea904a86492700c20ad3a86b782fdec2ac93f4b9b95ed3ce381c6913eefb11- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZHN82291250
- Bitcoin block existence check
- https://blockstream.info/api/block/960403