String Quartet No. 6 in E-Flat Major, Hob. III:80: III. Menuetto

Recording identifiers

ISRC

USSM18100994

CopyrightID (CopyrightChains transaction hash)

0x9de5070483d1d1dc445e885c4adc0ea8ec977b51109f8c2699c86ca48d2c457d

Copyright registration time

2026-07-31T19:14:26+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp

2026-07-31T19:53:13Z

Bitcoin block

960455

Canonical record hash

sha256:9a48bbdced12f461ebd32c04d489dcc902e6721d942e8407a136eeeb4fdb0d68

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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.