ISRC ZACZ82300045

Verified recording

ZACZ82300045 is “Ruff 004” by Amu Classic, registered on the CopyrightChains blockchain with CopyrightID 0xf9916bebf83bb4583797cb7699912d84edefa46342f1a5d717be26c6111ebe80 and independently timestamped in Bitcoin block 960144 on 2026-07-29. Verify the canonical record, hash, and Bitcoin attestation at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ZACZ82300045.

Recording identifiers

ISRC
ZACZ82300045
Title
Ruff 004
Artist
Amu Classic
CopyrightID (CopyrightChains transaction hash)
0xf9916bebf83bb4583797cb7699912d84edefa46342f1a5d717be26c6111ebe80

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-07-29T21:09:47+00:00
Bitcoin block
960144
Canonical record hash
sha256:1a0ac12742032b771b00840beb2f47cdae1afb08b50d80ed8cf2050b907fa38c
Verification API (6-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ZACZ82300045
Bitcoin block existence check
https://blockstream.info/api/block/960144

Full record

Track page: Ruff 004 · Machine-readable JSON-LD