Violin Sonata, CFF 123: I. Allegretto ben moderato

Recording by César Franck.

Recording identifiers

ISRC
GBF078810601
CopyrightID (CopyrightChains transaction hash)
0x9c7fe53c7eb3aa1c6125421be2bc8e26381a8b011b115b82a6328d0ebf0a44f0
Copyright registration time
2026-07-07T10:44:35+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:988fbf26094d56e4d36065aa959215aeefefb5a7b7d1ee513582e84bcb1cdf60

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.