Zapomniana piosenka

Recording by Mieczysław Fogg.

Recording identifiers

ISRC
PLA246913738
CopyrightID (CopyrightChains transaction hash)
0x0fa5c411ec95cd54041c4732752dd52430c5e4ea84f9071720714e348f44a9db
Copyright registration time
2026-07-06T01:42:09+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-06T01:42:12Z
Bitcoin block
956859
Canonical record hash
sha256:355687f22921fb16ff8a9e28cb8096f16244c3d3114f229e708e4c5684ea29f5

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.