Valse en la mineur

Recording by Frédéric Chopin.

Recording identifiers

ISRC
FR6V80780687
CopyrightID (CopyrightChains transaction hash)
0x80638eade48aaf82f8c126dcc0b210f9d2ef294045d0310000a9c6eafcda768b
Copyright registration time
2026-06-05T13:52:28+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:0bbaec998002119ca0bda8c0a273a6c1cbe356ac8e9fc2633d7f1a9a7f8fded2

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.