ISRC QZWDD2427732
Verified recording
QZWDD2427732 is “Warsaw” by Antoni Komasa-Łazarkiewicz,
registered on the CopyrightChains blockchain with CopyrightID
0xe7214d8cb7b96fc4e8db5490d86776aaf7a9e301585026957196f2aa3e45e1db and independently timestamped
in Bitcoin block 960187 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZWDD2427732.
Recording identifiers
- ISRC
- QZWDD2427732
- Title
- Warsaw
- Artist
- Antoni Komasa-Łazarkiewicz
- CopyrightID (CopyrightChains transaction hash)
0xe7214d8cb7b96fc4e8db5490d86776aaf7a9e301585026957196f2aa3e45e1db
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T01:34:28+00:00
- Bitcoin block
- 960187
- Canonical record hash
sha256:2bd7f10028ec4e340379f86c7f4020cf5132054e9a6f4eaa386122aafdd5be6f- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZWDD2427732
- Bitcoin block existence check
- https://blockstream.info/api/block/960187