Ballade in G Minor, Op. 23

Recording by Frédéric Chopin.

Recording identifiers

ISRC
PLC701821911
CopyrightID (CopyrightChains transaction hash)
0xa5d0bb676e9a66ef191c38a5721f949d1f4c23f61fc7b17e430f77d7d99a9582
Copyright registration time
2026-07-30T04:22:32+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T04:47:22Z
Bitcoin block
960207
Canonical record hash
sha256:6abbb976b8c423aa86ea474ba811115fa0464700c7c8ead584f8010131d8d1d1

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.