Flute Concerto in D Major, QV 5:74: II. Larghetto

Recording by Johann Joachim Quantz.

Recording identifiers

ISRC
HUA253191605
CopyrightID (CopyrightChains transaction hash)
0x225e6b2f59c9a15c332984ce53ddebae46cc3d845aea17f975b2cb3dc271214d
Copyright registration time
2026-07-31T12:19:44+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T13:04:34Z
Bitcoin block
960403
Canonical record hash
sha256:ef380b58b76da3893f715d844440f97f6832db68f49d33af53fee31a5e899b7d

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.