Flute Sonata in E Minor: I. Adagio

Recording by Johann Joachim Quantz.

Recording identifiers

ISRC
GBLWD9707017
CopyrightID (CopyrightChains transaction hash)
0x89820754a78267d238aa8ea27cb9581065052e6ce325d6cd55082cfc193fe293
Copyright registration time
2026-07-07T20:34:34+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:63b2a16930214dd08c435983d08a5d584e5481073787b7ff11f461ad5ce9ecd0

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.