Ja lubie Gwizdac

Recording by Mieczysław Fogg.

Recording identifiers

ISRC
PLB960808815
CopyrightID (CopyrightChains transaction hash)
0x3376a22fd23259feb98cbb3f2f183361fe170d6184a8f5eebdbe63e9ebe4cfe5
Copyright registration time
2026-07-07T09:45:49+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:64067b32cf739bb240d20c5ebe89896f7ca3345dee7f34a4b8dd25e973fcad8d

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.