Concert de bruit: No. 2, Étude aux chemis de fer "Imposée"

Recording by Pierre Schaeffer.

Recording identifiers

ISRC
FRS181515270
Release date of the album this recording appears on
1957-01-01
CopyrightID (CopyrightChains transaction hash)
0x3e075e87bc967997412037075dbd22d0c0a075f7ba5235bcc3e5ff63044cf5f2
Copyright registration time
2026-06-23T07:53:09+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:a4681e0100ff237569261cdfdd317c84cfa1869d279981bf2254aafa285d9998

What this proof establishes

This recording was released in 1957, before generative AI. ProofProfile's catalogue derives from the pre-2022 AcousticBrainz and MusicBrainz source corpus, and 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.