Marche américaine, Op. 31

Recording by Charles-Marie Widor.

Recording identifiers

ISRC
DEA141170501
CopyrightID (CopyrightChains transaction hash)
0x1810ee3634fed709fbcd8a9ccad2548907823f5fef46a6dd80083d9a4ced581a
Copyright registration time
2026-07-31T15:56:05+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T16:07:24Z
Bitcoin block
960429
Canonical record hash
sha256:23a5d929d970379f79551e0ad70fe8a7d7a7b285889142febd4bc75be58b0932

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.