4 Scherzos: Scherzo No. 2, Op. 31, in B-Flat Minor

Recording by Frédéric Chopin.

Recording identifiers

ISRC
FRZ077301080
CopyrightID (CopyrightChains transaction hash)
0xa9821279338fddf88cfa3f5e78df284daa3f738017b4d1255db91370fb7447a8
Copyright registration time
2026-07-30T22:32:36+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T00:58:21Z
Bitcoin block
960330
Canonical record hash
sha256:3c4cbc345aa2f4548a7e1f479378b9e6914e8c4b6d8d8628fb1a167017b6cc93

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.