Piano Concerto in E Minor, Op. 11: II.Romance.Larghetto

Recording by Frédéric Chopin.

Recording identifiers

ISRC
PLC700920005
CopyrightID (CopyrightChains transaction hash)
0x69bc71912829ce694de14c86cdc4706d1cb125f5bbdc6082b767a9178e91a779
Copyright registration time
2026-07-30T22:13:11+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T00:26:26Z
Bitcoin block
960327
Canonical record hash
sha256:aa2adaba4affe72042c70738e9821fd1b6fb5176f852e85da28cb95cd8a43a98

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.