Scherzo No. 1 in B Minor, Op. 20

Recording by Frédéric Chopin.

Recording identifiers

ISRC
DEN962100500
CopyrightID (CopyrightChains transaction hash)
0x4e6e61fde748d6194612d8ce8ee7e2ae64cfde3d6f2056ff1a9880eee47c1e48
Copyright registration time
2026-06-09T05:56:11+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:b205404942f6c113f28ef59ab0baf5691435518aa8a8a508b282911f7dea48ef

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.