24 Préludes, Op. 28: 13. In F Sharp Major

Recording by Frédéric Chopin.

Recording identifiers

ISRC
DEF055590213
CopyrightID (CopyrightChains transaction hash)
0xc4042da49420af295e16cd2c13dceae5267f556faefb5f934fffd92133160bcc
Copyright registration time
2026-06-25T06:38:20+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:f5a1c7d5681e30165d0e0b1431cecc076e211e3c3dc2405a59f8a22bf760ee35

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.