Concerto in E-Flat Major, QV 5: 9: III. Allegro

Recording by Johann Joachim Quantz.

Recording identifiers

ISRC
NLY331708772
CopyrightID (CopyrightChains transaction hash)
0x3cf04e941a54a78b6eac84f4012b43ef6b4c5119b689c69b1c782a0755baefde
Copyright registration time
2026-07-07T13:07:56+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:9583eb342bd36f1b59bf86520c885fd6158bb78fc3d6d9744378e7b8cf8d3d46

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.