Mówiłam żartem

Recording by Iga Cembrzyńska.

Recording identifiers

ISRC
PLA551600748
CopyrightID (CopyrightChains transaction hash)
0xc23d04b260fb8c21106be55e3cf83a708426f920053f861122ad956e915c4d43
Copyright registration time
2026-06-25T13:39:47+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:7a921c2aec3ab7548a2427dd1a9d2393fa00102e28e6b6ba8437d10e66bc0a18

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.