Fantaisie in F minor, Op. 49

Recording by Frédéric Chopin.

Recording identifiers

ISRC
DEF058703140
CopyrightID (CopyrightChains transaction hash)
0xa4e016588be00bae0f008db00800ff61c22965b4d1eb03e378285c145f7c4feb
Copyright registration time
2026-07-06T20:10:57+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:310e26f96c0b51cf676ea30b3b01b3e821c6299d9c35b9e5863abc168c66412f

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.