Recorder Sonata in B-Flat Major: III. Allegro

Recording by Johann Adolf Hasse.

Recording identifiers

ISRC
FR7JM1613070
CopyrightID (CopyrightChains transaction hash)
0xf412882d16f1b0c7867a6648873168f46b1d8e31ea3cd032fc4a5f0a8a3675f5
Copyright registration time
2026-07-31T17:28:54+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T18:48:12Z
Bitcoin block
960448
Canonical record hash
sha256:930381b0cf7ceec9d27b537fcbf9188721df473982727c972f6daa4e5cf722d8

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.