String Quartet No. 2 in D Minor, Hob. III:76 "Fifths": IV. Finale - Vivace assai

Recording identifiers

ISRC

USSM17900651

Release date of the album this recording appears on

1981

CopyrightID (CopyrightChains transaction hash)

0xe49fdc044e41c2cf423e5d10f24c9f3eb3453e91747550cf833b62e437e927cd

Copyright registration time

2026-07-31T04:29:12+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp

2026-07-31T05:17:02Z

Bitcoin block

960348

Canonical record hash

sha256:34b51a8a059167bb64c7e67277c3891f38c2d8f3e523f9d9b494d40de54293b3

• Verify the CopyrightID on CopyrightChains
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• Recording evidence summary for ISRC USSM17900651

What this proof establishes

This recording was released in 1981, before generative AI. ProofProfile's catalogue derives from the pre-2022 AcousticBrainz and MusicBrainz source corpus, and 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.