Préludes, Op. 28: No. 2, Lento in A Minor

Recording by Frédéric Chopin.

Recording identifiers

ISRC
SEAEN0626080
CopyrightID (CopyrightChains transaction hash)
0x48079f481bc3ece034d73f0644a21e33ab16889b4e209a754f904860b6fc496c
Copyright registration time
2026-07-30T00:21:33+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T00:39:11Z
Bitcoin block
960179
Canonical record hash
sha256:0e542b8706704f93b06bddc96008aedd58fb03070eb8cf1a63882788cff938f6

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.