ISRC PLW052001017
Verified recording
PLW052001017 is “Z nowa wiosna” by Mieczysław Karłowicz,
registered on the CopyrightChains blockchain with CopyrightID
0xb6797a7ca9c6aa2ad2a40d79f105d6aefae5e2d0ed93e06a1b97e9d0239ce51f and independently timestamped
in Bitcoin block 960468 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/PLW052001017.
Recording identifiers
- ISRC
- PLW052001017
- Title
- Z nowa wiosna
- Artist
- Mieczysław Karłowicz
- CopyrightID (CopyrightChains transaction hash)
0xb6797a7ca9c6aa2ad2a40d79f105d6aefae5e2d0ed93e06a1b97e9d0239ce51f
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T21:25:57+00:00
- Bitcoin block
- 960468
- Canonical record hash
sha256:7a094c082ebcb9a137faa3c943cf9df129ecacd81cf62b6975f0bfc115181aa0- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/PLW052001017
- Bitcoin block existence check
- https://blockstream.info/api/block/960468