Ballade No. 1 in G Minor, Op. 23 - Pt. 3

Recording by Frédéric Chopin.

Recording identifiers

ISRC
DEF056507163
CopyrightID (CopyrightChains transaction hash)
0xd6713c4dfc1793fc0d7eb38d53ed034e97a8e8db1e286b7fe0c4cebc1fca7afa
Copyright registration time
2026-07-03T02:02:37+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:b50290d7ca5190c7b476c52c1ff5d87d7d52034e289c10b4e32c5e67073a802d

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.