2 Bourrees, B160b: No. 1 In G Minor

Recording by Frédéric Chopin.

Recording identifiers

ISRC
DEF059902330
CopyrightID (CopyrightChains transaction hash)
0xd3b4d6587252c601c091a1d8d0e1efe6371fd346f2e7f75bd78530aa91ac93e0
Copyright registration time
2026-06-11T06:00:40+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:0390bf22b1214d7196272661ac7df87742539d1280265ebb30cf2d174455352a

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.