Wycieraczki

Recording by Łukasz Zagrobelny.

Recording identifiers

ISRC
PLB381200177
CopyrightID (CopyrightChains transaction hash)
0xb94c15ba44099111dd8fa12e1d5491d35db23245f12db2ac69cd8c94446e570f
Copyright registration time
2026-07-07T15:18:37+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:18a17515628915ccdabd59ef00ca33cf16032c2d61cd4ff619f004e8f4a15127

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.