Largo In E Flat Major

Recording by Frédéric Chopin.

Recording identifiers

ISRC
ITUM71000134
CopyrightID (CopyrightChains transaction hash)
0x905b611c901ac4c4c4374dc71a58bcd5e92cba615b256c2e5091e6bd40d3eaf8
Copyright registration time
2026-06-19T04:45:33+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:cb8365df7be9e1d01bc579befffad18da60825ea242767fc0d2fccb3f27c84d6

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.