Nocturne in G Minor, Op. 15 No. 3

Recording by Frédéric Chopin.

Recording identifiers

ISRC
GBASH1856504
CopyrightID (CopyrightChains transaction hash)
0x713062fae6393e97f23e3adb32c569ff95a981544dfd8d325c20661d612424d1
Copyright registration time
2026-07-29T17:40:17+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-29T19:35:34Z
Bitcoin block
960138
Canonical record hash
sha256:c4b97f6de28179ac351513938457ef237b9c130c9e6a32da2e4a68cadf4e0c42

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.