Może to dzisiaj niemodne

Recording by Mieczysław Fogg.

Recording identifiers

ISRC
PLA246811943
CopyrightID (CopyrightChains transaction hash)
0xee43a6b10a34d7239b9a9668e92f0076b805f76800771d397adb948a92ad491f
Copyright registration time
2026-07-06T18:59:07+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:867156e25322750fb5278c0ac0851f69a4e3da695a675162abdf02f075b441a2

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.