Petite Valse, Op. 34

Recording by Blas Maria Colomer.

Recording identifiers

ISRC
GBSMU2770326
CopyrightID (CopyrightChains transaction hash)
0xa42a0d0a177a13022b2700e6d468941f03269904b754fbda5a57aa699c567bfd
Copyright registration time
2026-06-22T09:41:18+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:e24603ad58ddf2fc5de6c3cc299ac5f3ff485e435dd3074e6654b2729fb6c1db

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.