Gdy nie słychać braw

Recording by Beata Kozidrak.

Recording identifiers

ISRC
PLA550500207
CopyrightID (CopyrightChains transaction hash)
0xf4ff86cfc8d388336540f17b6dea6ebfa845cc17655f950ceadbe96da1d84c86
Copyright registration time
2026-07-06T10:40:10+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-07T16:07:00Z
Bitcoin block
957061
Canonical record hash
sha256:fddf57e446794642029c5241061e3861d0cadc1bd74999232eda24642f2ea58a

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.