Waltz No. 1 in D-Flat Major, Op. 64

Recording by Frédéric Chopin.

Recording identifiers

ISRC
USSJ10914186
Release date of the album this recording appears on
2009-01-01
CopyrightID (CopyrightChains transaction hash)
0x0ed71d992bc56bf15a000359982ca20656c6db8ffd183b0d43292309ef6d5f59
Copyright registration time
2026-07-22T13:29:48+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-22T14:03:35Z
Bitcoin block
959137
Canonical record hash
sha256:b644da7588894d9d20dfc1a0bf3009b460facb51f89b72851135ad15e1068fa8

What this proof establishes

This recording was released in 2009, 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.