24 Préludes, Op. 28: 16. In B Flat Minor

Recording by Frédéric Chopin.

Recording identifiers

ISRC
DEF055590216
CopyrightID (CopyrightChains transaction hash)
0x3b376f45e7f7e960925541abbdad30173775b16faa4e7f7c8aacb10f2bcb2495
Copyright registration time
2026-06-26T15:14:30+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:bed620fb973068db2792e1974ed8bd1c944b18d39c11a1b31528dc22f89f617d

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.