Co nom w sercach gro

Recording by Claudia & Kasia Chwołka.

Recording identifiers

ISRC
PLJ621300932
CopyrightID (CopyrightChains transaction hash)
0x7319ef5e4db350b55fa406f6738d19eae490c6ddabbf4a26f767d1775a1cd17c
Copyright registration time
2026-06-20T15:37:38+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:257a55c8444bd1471232e19df00d883e9c57d9178883f1a3208ca0fc205a319c

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.