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
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:9ae5bc6aab1f60d42f19e269b090c0c9aea52d7aa16323e40337055f552431f6

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.