ISRC PLC701911418
Verified recording
PLC701911418 is “Pieśni: Czasem, gdy długo na półsennie marzę” by Mieczysław Karłowicz,
registered on the CopyrightChains blockchain with CopyrightID
0x18571da206ef950fa2c8bee0536a11fad34f430a5d2f3d1f4cfd9dc7234e45b6 and independently timestamped
in Bitcoin block 960441 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/PLC701911418.
Recording identifiers
- ISRC
- PLC701911418
- Title
- Pieśni: Czasem, gdy długo na półsennie marzę
- Artist
- Mieczysław Karłowicz
- CopyrightID (CopyrightChains transaction hash)
0x18571da206ef950fa2c8bee0536a11fad34f430a5d2f3d1f4cfd9dc7234e45b6
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T17:29:52+00:00
- Bitcoin block
- 960441
- Canonical record hash
sha256:7b846922cbc891f6c8123746d5af3a02e5c05feef0d9ddb783c72f4616026a29- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/PLC701911418
- Bitcoin block existence check
- https://blockstream.info/api/block/960441
Full record
Track page: Pieśni: Czasem, gdy długo na półsennie marzę · Machine-readable JSON-LD