Leszek mi mówi?

Recording by Voo Voo.

Recording identifiers

ISRC
PLA550800104
CopyrightID (CopyrightChains transaction hash)
0xd71be5afb0e97cbdadb1cc81ec102d4fab3560090f4c9c5ed051e31017c60f60
Copyright registration time
2026-07-07T17:58:29+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:1ca3ac6eb02e9f646273e5d7d365f34ab0dc5199dfdc6b9a3ce95fdb08d109c6

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.