24 Préludes, Op. 28: No. 4, Largo

Recording by Frédéric Chopin.

Recording identifiers

ISRC
FRZ140717040
CopyrightID (CopyrightChains transaction hash)
0xc650c287b31405a9164daa2888e49cb052c7032d229d8e3311721d1eea694b16
Copyright registration time
2026-06-01T19:51:21+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:fd64b424f714f86dcba7204c8714b4e96cbbaac48bb748fa580864b69573d424

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.