24 Préludes, Op. 28: 6. In B Minor

Recording by Frédéric Chopin.

Recording identifiers

ISRC
DEF055590206
CopyrightID (CopyrightChains transaction hash)
0x9e91efe62930be3e16c119675301bc5e0840e47781986097ae680b10d557eef5
Copyright registration time
2026-06-24T04:26:22+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:2620f12975523d102eea387dd941d1c27e5ec21307ab14ce7638f4b38eea6afc

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.