Ballade No. 1 in G Minor, Op. 23 - Pt. 5

Recording by Frédéric Chopin.

Recording identifiers

ISRC
DEF056507165
CopyrightID (CopyrightChains transaction hash)
0x9f0862465c5a1263ca8e9be0965cc6f030f39e03265e09b257bc22d2d30e0f00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T23:30:38Z
Bitcoin block
960478
Canonical record hash
sha256:8ce162492d078af8cf6ead5e4c36e55ce7391dafa1c836488f48c59c0efdf2a7

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.