Keyboard Sonata in A Major, Wq. 54/6, H. 207: II. Larghetto

Recording by Carl Philipp Emanuel Bach.

Recording identifiers

ISRC
DEA551432328
Release date of the album this recording appears on
2014-04-29
CopyrightID (CopyrightChains transaction hash)
0x40df73579e5c834ddf1250ec23c2b7613ab77075f4563d7ac85f0b7a96810bd1
Copyright registration time
2026-06-11T06:07:31+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T17:25:41Z
Bitcoin block
953536
Canonical record hash
sha256:cb851ce6283eea16bb65e8a826c4700748e71d43bd55d1b09b2dc631641d38c7

What this proof establishes

This recording was released in 2014, 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.