2 Bourrées, KK VIIb

Recording by Frédéric Chopin.

Recording identifiers

ISRC
GBF078441314
CopyrightID (CopyrightChains transaction hash)
0xd2645e158664b733be53f2f6613d6b1d2decfc0deca73a93169d5019ddc7d59c
Copyright registration time
2026-07-03T13:28:20+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:631a24af788eededda8d169816b02c80e82a36ab301eb1f7fd1730dd5ff3def6

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.