Minute Waltz

Recording by Frédéric Chopin.

Recording identifiers

ISRC
GBF079540806
CopyrightID (CopyrightChains transaction hash)
0xbbbfeda179815b3db8e2a38bffa3fa2723b30ce5b05553cffb20ebbc9167cbe2
Copyright registration time
2026-06-21T06:00:00+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:6434cbf94132aa32fae78cbfe4832fec2ff61b7daead4a27b0606a1e805ca6fa

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.