Graj skrzypku graj

Recording by Mieczysław Fogg.

Recording identifiers

ISRC
PLA241300451
CopyrightID (CopyrightChains transaction hash)
0x75e4d754b54faef1eb263b4ec8f10406a94a157a6ae1cbd7bdd762a835231a7b
Copyright registration time
2026-06-21T18:52:37+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:72c39c8b4aa4002f61099838e148bd041ce842337a6e29e184355923274504b5

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.