Trio Sonata in C Major: III. Allegro

Recording by Johann Joachim Quantz.

Recording identifiers

ISRC
SEAEC9420070
CopyrightID (CopyrightChains transaction hash)
0xcb9b9b29cf78c4cbea443d9af8d647152469a9aabec7a30bfe8f49144bb24f0e
Copyright registration time
2026-07-31T14:06:45+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T15:20:15Z
Bitcoin block
960418
Canonical record hash
sha256:fec772b8bea32c68984fa5c47c54b0610fea4a0b787a9d004d45b27ec6356143

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.