Sonata in A minor "Württembergische Sonate" No. 1, Wq. 49 No. 1 (H. 30): I. Moderato

Recording by Carl Philipp Emanuel Bach.

Recording identifiers

ISRC
USSM16800109
Release date of the album this recording appears on
2025-02-06
CopyrightID (CopyrightChains transaction hash)
0x8aa2c55702b33f11bd1732cf8f4717c213d17bc2134b67aaac3d3664d405a82a
Copyright registration time
2026-07-03T14:31:29+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:32e9820e23be16e3f72f6b239d117becf9f5e7e3fb365ddc11e3e86c6ebd28b5

What this proof establishes

This recording was released in 2025. ProofProfile's artist catalogue derives from the pre-2022 AcousticBrainz and MusicBrainz source corpus, and this recording entered the record through cc-db-prod's ISRC-linked registration. Its provenance rests on the dates stated above rather than on the era of that source corpus.

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.