ISRC QZHZ32019367
Verified recording
QZHZ32019367 is “Door” by Gustavo Koch,
registered on the CopyrightChains blockchain with CopyrightID
0xa1163d12ccd9ba8c95b97f941b4ddbe128a62fd930c4fab4610d8b8fec824ddd and independently timestamped
in Bitcoin block 957120 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZHZ32019367.
Recording identifiers
- ISRC
- QZHZ32019367
- Title
- Door
- Artist
- Gustavo Koch
- CopyrightID (CopyrightChains transaction hash)
0xa1163d12ccd9ba8c95b97f941b4ddbe128a62fd930c4fab4610d8b8fec824ddd
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:22:41+00:00
- Bitcoin block
- 957120
- Canonical record hash
sha256:170cfcf13656e00896257fac3f8386ba16ca51cee28e90815d38d42685b78fd6- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZHZ32019367
- Bitcoin block existence check
- https://blockstream.info/api/block/957120