String Quartet No. 8 in E Minor, Op. 59, No. 2 "Rasumovsky": IV. Finale. Presto

Recording identifiers

ISRC

DEF059404944

CopyrightID (CopyrightChains transaction hash)

0xa4033d077a3dfe37d1cee9b623d004bd7f75058e4075375c85e5c16b1dccc1a6

Copyright registration time

2026-06-24T06:43:51+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp

2026-07-02T05:09:12Z

Bitcoin block

956312

Canonical record hash

sha256:e408d4143deeec2603939915f6db67c079e968f54e59ad1db1c11dbf46382037

• Verify the CopyrightID on CopyrightChains
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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.