Variations Sur Un Theme Dans Le Style Ancien, Op.30

Recording by Carlos Salzedo.

Recording identifiers

ISRC
CAM239600025
CopyrightID (CopyrightChains transaction hash)
0xc965a7869938c7eee1f7057225a9b3b820dbbde15410f71dd83e10e7ace30301
Copyright registration time
2026-07-06T09:36:03+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-07T16:07:00Z
Bitcoin block
957061
Canonical record hash
sha256:2f7f621b254b0d0c3bd82f95b328284fec18cd432e8a791af0db3bdeb6e9cda7

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.