Waltz No. 4 in F Major, Op. 34 No. 3

Recording by Frédéric Chopin.

Recording identifiers

ISRC
GBAJY0836004
Release date of the album this recording appears on
2010-01-01
CopyrightID (CopyrightChains transaction hash)
0x8f03f8470e78c9286c60ea2a5848d47949625ab80169e767afec0ec56f055b81
Copyright registration time
2026-07-04T18:58:52+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:2a02bc7cbe27dfe66e6d6b77923a3ce5908ae03328a0071c5cf4d4bcc901a049

What this proof establishes

This recording was released in 2010, before generative AI. ProofProfile's catalogue derives from the pre-2022 AcousticBrainz and MusicBrainz source corpus, and 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.