ISRC PLC701911411

Verified recording

PLC701911411 is “Pieśni, Op.3: VI. Przed nocą wieczną” by Mieczysław Karłowicz, registered on the CopyrightChains blockchain with CopyrightID 0x19133f1857d05c3778cef0e0de02514650e3a37af41f734a77550594670c200a and independently timestamped in Bitcoin block 960334 on 2026-07-31. Verify the canonical record, hash, and Bitcoin attestation at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/PLC701911411.

Recording identifiers

ISRC
PLC701911411
Title
Pieśni, Op.3: VI. Przed nocą wieczną
Artist
Mieczysław Karłowicz
CopyrightID (CopyrightChains transaction hash)
0x19133f1857d05c3778cef0e0de02514650e3a37af41f734a77550594670c200a

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-07-31T02:19:15+00:00
Bitcoin block
960334
Canonical record hash
sha256:eee9202f7492d1ceb66206df561f31b90e80a90dffe1dc1df179abb985818ee6
Verification API (6-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/PLC701911411
Bitcoin block existence check
https://blockstream.info/api/block/960334

Full record

Track page: Pieśni, Op.3: VI. Przed nocą wieczną · Machine-readable JSON-LD