Fantaisie in F Minor, Op. 49, B. 137

Recording by Frédéric Chopin.

Recording identifiers

ISRC
JPP592400005
CopyrightID (CopyrightChains transaction hash)
0x62d167200696854d00f773ff71d38c7a8425385eb0e5f465739f891e7890c2e7
Copyright registration time
2026-07-07T13:30:41+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:764805d8eeddaaedeafff71f49ac9df229252d1ec9d802eecdd54c39dab011d7

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.