Fantasy in F Minor, Op. 49

Recording by Frédéric Chopin.

Recording identifiers

ISRC
GBAJU8200001
CopyrightID (CopyrightChains transaction hash)
0x8d9c878d9e4daacabf258c24dbaeac900be1a232008d3f9b44a78cadb447b84d
Copyright registration time
2026-07-06T09:53:15+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-07T16:43:08Z
Bitcoin block
957064
Canonical record hash
sha256:28e7e88c2e2253a03a98a892e2c843e3f9f8b1c57492948ab2b72cb357292131

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.