24 Préludes, Op. 28: No. 13, Lento

Recording by Frédéric Chopin.

Recording identifiers

ISRC
FRZ140717130
CopyrightID (CopyrightChains transaction hash)
0xa57628ce26ec58bba5920e3de1e4bd669ecafb6125d2cbed96ad314cc40ed5ea
Copyright registration time
2026-06-23T00:41:01+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:d2caa1461d357fc5badd7d65bcee045ab6728f756b018b748ead016a735a3f83

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.