ISRC QZTB42360372
Verified recording
QZTB42360372 is “Doubt II” by Zas,
registered on the CopyrightChains blockchain with CopyrightID
0x76a6915a49c97b1231c5f950108caf44e81475dada97f6868cee3a989098288c and independently timestamped
in Bitcoin block 960327 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZTB42360372.
Recording identifiers
- ISRC
- QZTB42360372
- Title
- Doubt II
- Artist
- Zas
- CopyrightID (CopyrightChains transaction hash)
0x76a6915a49c97b1231c5f950108caf44e81475dada97f6868cee3a989098288c
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T00:26:26+00:00
- Bitcoin block
- 960327
- Canonical record hash
sha256:33ff62951b63b2b73ff360ff9c4e2ad068df366b4df460e425dac0d9b8ccea26- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZTB42360372
- Bitcoin block existence check
- https://blockstream.info/api/block/960327