B:14 Impromptu

Recording by Germaine Tailleferre.

Recording identifiers

ISRC
GBEYQ2458330
CopyrightID (CopyrightChains transaction hash)
0xedc532226d259482648c86ed2585f6c097725107811ff05bba62f926752fabd1
Copyright registration time
2026-07-06T09:45:02+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-07T14:41:13Z
Bitcoin block
957050
Canonical record hash
sha256:2afb64cff448f491fe1acc3b58b299f24698eeaa2fb32cc449f29c55c5a15581

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.