String Quartet No. 3 in C Major, Hob. III:77 "Emperor": III. Menuetto

Recording identifiers

ISRC

USSM17800603

CopyrightID (CopyrightChains transaction hash)

0x18a29824b84c56bb9e30a509f4d51fe5dcd383a76b92c36147fc7b9f56007743

Copyright registration time

2026-07-31T10:56:41+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp

2026-07-31T12:24:41Z

Bitcoin block

960397

Canonical record hash

sha256:7e1e6582c980c460fcce9328d2199d10017f14903cfe50615c519ea7598b10ca

• Verify the CopyrightID on CopyrightChains
• Verify the Bitcoin block independently
• Read the machine-verifiable OTS result

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.