Scherzo No. 2 in B Flat Minor, Op. 31

Recording by Frédéric Chopin.

Recording identifiers

ISRC
DEF059505260
CopyrightID (CopyrightChains transaction hash)
0xa9a94ca08fcdef4f2fd741d18363622ed811e53e34f05b72a8856eee0227b2a4
Copyright registration time
2026-06-07T02:03:55+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T15:41:10Z
Bitcoin block
953528
Canonical record hash
sha256:8e9bec45083f24ff2aef8ed184d2afcc991786a595c2d69c6b1abae2be920aad

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.