Namouna, Suite No. 2: 2. Mazurka

Recording by Édouard Lalo.

Recording identifiers

ISRC
GBUM70802424
CopyrightID (CopyrightChains transaction hash)
0x0a5e2551329f72ca58eabd816b690fcc02dc40ea355257972efe7c041361aff5
Copyright registration time
2026-07-07T20:02:49+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:39:04Z
Bitcoin block
957122
Canonical record hash
sha256:ca047f35df71b4ca17002ef95f6189683dbc0d1af8f6994c50f4f028e82a92f2

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.