Ja mam czas, ja poczekam

Recording by Mieczysław Fogg.

Recording identifiers

ISRC
PLA246913742
CopyrightID (CopyrightChains transaction hash)
0x9ca233037ca07db21bcec19621d0dd8782346fb4dc28f7c5c697038f72319ef1
Copyright registration time
2026-06-25T00:29:01+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:957219938319b7c20a0ed5a28e4850f80880525d502b811158190736db8fcc04

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.