Variations sur la marche des Puritains de Bellini

Recording by Frédéric Chopin.

Recording identifiers

ISRC
NLA507722822
CopyrightID (CopyrightChains transaction hash)
0xeac47e2ab7c51a68d5cd0270d5f43bc19fa7cb63ce579a435939f5f044e7a4e8
Copyright registration time
2026-07-07T00:20:32+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:5ac69e9ed0f9bfc27319144cb4447eab0639feee83c5803cc0faa31419c76bcf

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.