Concerto in E-Flat Major: III. Allegro

Recording by Johann Joachim Quantz.

Recording identifiers

ISRC
DES380004086
CopyrightID (CopyrightChains transaction hash)
0xe7ece5db8d9ab1fe17bafae7f8aaf33825abc8505a74e0af6dff4b1b95ee1d1d
Copyright registration time
2026-06-08T21:00:37+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-07T14:41:13Z
Bitcoin block
957050
Canonical record hash
sha256:d23466b44c36d0b05f5654c73352da0af3bd6ca6c0fbd7d983b2ff456880af3c

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.