La voix humaine, FP 171: No. 1, Introduction

Recording by Francis Poulenc.

Recording identifiers

ISRC
FR50X2189901
CopyrightID (CopyrightChains transaction hash)
0x99a2ef599d854f298b15d62125d33d04c4388a59b2e72cfd6a89e82c61fcb4a8
Copyright registration time
2026-07-06T22:04:42+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:3cfb5ffb44f3f2e3cec4c50c8fbfc79c38bb257a0cf78521eeaa55652aa28eb0

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.