Piosenka na klęczkach

Recording by Marek Dyjak.

Recording identifiers

ISRC
PLC591900243
CopyrightID (CopyrightChains transaction hash)
0x9e6f862dcf24fb57f0a85790149eb1a66831a87b87e2e21dfd8bf3f3146bcfd7
Copyright registration time
2026-07-07T06:53:11+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:c600d6d3073004dbdb6bdddd03b4acc992edde855bc6ade1a807a4adf63dc0ff

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.