Chamber Sonata No. 1 in B-Flat Major: III. Adagio

Recording by Élisabeth Jacquet de La Guerre.

Recording identifiers

ISRC
CH1491533341
CopyrightID (CopyrightChains transaction hash)
0x609ad6018e39b6573093267d25799178a6b6935a6e38a8ec6ed61d851aa38866
Copyright registration time
2026-06-19T13:43:11+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:63530d3f61487ee2ee0e2255f3231354e89de562a9bd20120371054d70614589

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.