ISRC PLW052101701
Verified recording
PLW052101701 is “Stanisław i Anna Oświecimowie op. 12” by Mieczysław Karłowicz,
registered on the CopyrightChains blockchain with CopyrightID
0x7b009cff7c79128bf761b76ab565e9f9c2ab7a02d6ce2217956cbb7c1dd2c664 and independently timestamped
in Bitcoin block 960459 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/PLW052101701.
Recording identifiers
- ISRC
- PLW052101701
- Title
- Stanisław i Anna Oświecimowie op. 12
- Artist
- Mieczysław Karłowicz
- CopyrightID (CopyrightChains transaction hash)
0x7b009cff7c79128bf761b76ab565e9f9c2ab7a02d6ce2217956cbb7c1dd2c664
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T20:22:46+00:00
- Bitcoin block
- 960459
- Canonical record hash
sha256:dcd1ecb78302583af3aa0c2f3fe04b270e747a2869895c082c227f2bc4394d16- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/PLW052101701
- Bitcoin block existence check
- https://blockstream.info/api/block/960459
Full record
Track page: Stanisław i Anna Oświecimowie op. 12 · Machine-readable JSON-LD