Mow do mnie jeszcze, Op. 3 No. 1

Recording by Mieczysław Karłowicz.

Recording identifiers

ISRC
PLW052001007
CopyrightID (CopyrightChains transaction hash)
0xcf473b9904d14b044ab4b8db850addd718f8b69f8c2edf4d8035d7e5ed7d1197
Copyright registration time
2026-07-07T15:02:13+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:8c92cd7a51cfea00731669b25418e31bb7b587e89db29d6c424bfd41f26cee5f

What this proof establishes

This recording belongs to ProofProfile's historical evidence base derived from the pre-2022 AcousticBrainz and MusicBrainz corpus. ISRC is the stable recording-level bridge from that source corpus to the authoritative cc-db-prod track record.

CopyrightChains and Bitcoin OpenTimestamps make the exact committed record independently verifiable today. The cryptographic proof does not by itself establish authorship or ownership of the underlying recording.

Read the complete pre-generative-AI provenance and verification method.