I. Allegro tristamente

Recording by Francis Poulenc.

Recording identifiers

ISRC
FR50X2077209
CopyrightID (CopyrightChains transaction hash)
0xb89684d9a187bbbc4252ca8f0a39dd384a6c0078f64a982074ae09ec8fc66257
Copyright registration time
2026-07-07T14:11:07+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:ff14a79622bf8fc0cad3712ac24c39fa79ef703ce9e620707bd6f381335ed7ff

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.