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
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:294a3eafa03da748a57843e70cb92b5424c4c2b06bd040473f3ee8617f00f452

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.