ISRC PLC701911405
Verified recording
PLC701911405 is “Pieśni, Op.1: VI. Smutna jest dusza moja” by Mieczysław Karłowicz,
registered on the CopyrightChains blockchain with CopyrightID
0xf8ed490d140630e5201048720e3a20251ef6db7d7adaefc3a7620074afb4b9db and independently timestamped
in Bitcoin block 960284 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/PLC701911405.
Recording identifiers
- ISRC
- PLC701911405
- Title
- Pieśni, Op.1: VI. Smutna jest dusza moja
- Artist
- Mieczysław Karłowicz
- CopyrightID (CopyrightChains transaction hash)
0xf8ed490d140630e5201048720e3a20251ef6db7d7adaefc3a7620074afb4b9db
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T17:23:26+00:00
- Bitcoin block
- 960284
- Canonical record hash
sha256:65b102d0597f1cf125604d676a713b1f6c2f7304c752c03e041b0a75c55f8029- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/PLC701911405
- Bitcoin block existence check
- https://blockstream.info/api/block/960284
Full record
Track page: Pieśni, Op.1: VI. Smutna jest dusza moja · Machine-readable JSON-LD