24 Preludes, Op. 28: No. 9 in E Major. Largo

Recording by Frédéric Chopin.

Recording identifiers

ISRC
GBAJY8932409
CopyrightID (CopyrightChains transaction hash)
0x33c226d69ffb98ab55f86c0d46efb6540f157fe9d43acdb2101cfa4cc19510d5
Copyright registration time
2026-07-07T13:14:29+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:ce929e0286a4690eb021a61728f3698f825fd33c0129088214aaac71db5a0fd8

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.