Violin Sonata No. 1: I. Modere sans lenteur

Recording by Germaine Tailleferre.

Recording identifiers

ISRC
DEE019300031
CopyrightID (CopyrightChains transaction hash)
0x6586d555b71b2eaaefe41dbdc292534757b529ce74d8e1bc408fe3e2145451de
Copyright registration time
2026-07-31T16:38:23+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T17:29:52Z
Bitcoin block
960441
Canonical record hash
sha256:0a99e0c5aa5e95b1eec549a9b1f9fffb0b3999ac02cb35c1bc8f3ca53425d22a

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.