ISRC QZFZ72348453
Verified recording
QZFZ72348453 is “Classe 4” by Vácuo,
registered on the CopyrightChains blockchain with CopyrightID
0xdb0a30e6ee9fe621febbea9c179ac906f74a625618f5bda8dd80880750d0dd50 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/QZFZ72348453.
Recording identifiers
- ISRC
- QZFZ72348453
- Title
- Classe 4
- Artist
- Vácuo
- CopyrightID (CopyrightChains transaction hash)
0xdb0a30e6ee9fe621febbea9c179ac906f74a625618f5bda8dd80880750d0dd50
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-08-01T03:13:03+00:00
- Bitcoin block
- 960500
- Canonical record hash
sha256:bb2693f19fa4163d7fd2b067aca357b2ae1ab90a92984a9e91f5b36157455ccc- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZFZ72348453
- Bitcoin block existence check
- https://blockstream.info/api/block/960500