Ecossaise No. 2 in G Major, Op. 72 No. 4

Recording by Frédéric Chopin.

Recording identifiers

ISRC
DEF058703012
CopyrightID (CopyrightChains transaction hash)
0x44991608282561c93855afb934bd5f78b6fc39354f98877e29a03f6920eb15bb

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T12:24:41Z
Bitcoin block
960397
Canonical record hash
sha256:fb0a25fecede20eb3d0f9cbfcb6ca396d1ef0e98adebb13ed5630cf69491fe4e

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.