La Voix humaine: I. Introduction

Recording by Francis Poulenc.

Recording identifiers

ISRC
FRZ140116010
CopyrightID (CopyrightChains transaction hash)
0x328e5955b0693db7c8491e533cf1cbfba52946f12f3c12d7bcdc3877caecce54
Copyright registration time
2026-07-07T17:42:47+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:da90e292380bb7448823e9e61aac7391d95310a36b2f28fbaf0ad1ed63481fec

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.