La valse du mal

Recording by Wojciech Młynarski.

Recording identifiers

ISRC
PLB821900114
CopyrightID (CopyrightChains transaction hash)
0xc10813dda670fc254bb3f03b349beab9ac36b98127b2dc32d443b88631b70880
Copyright registration time
2026-07-29T19:23:32+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-29T19:35:34Z
Bitcoin block
960138
Canonical record hash
sha256:e7761bc7c1712832bd02786c4d7ab6e87cfc512cada21bd42d63e05942a4900b

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.