Berceuse, Op. 57

Recording by Frédéric Chopin.

Recording identifiers

ISRC
USASX0860817
Release date of the album this recording appears on
1998-01-01
CopyrightID (CopyrightChains transaction hash)
0x5f925db53593bc19ce4d7e44c21a06a050fb19660b1a14583d7e593c83e28f4e
Copyright registration time
2026-07-31T06:06:20+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T06:42:11Z
Bitcoin block
960360
Canonical record hash
sha256:831cb2705c33ca2118b841e906c39580de277f5c8d483a4529b940390b7a0823

What this proof establishes

This recording was released in 1998, before generative AI. ProofProfile's catalogue derives from the pre-2022 AcousticBrainz and MusicBrainz source corpus, and 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.