String Quartet No. 3: IV. Allegro con fuocco - Vivo

Recording identifiers

ISRC

USKC60910152

CopyrightID (CopyrightChains transaction hash)

0x630528b2c88240782ea54b5ed179a71cca568f690e19115b42257e841f832541

Copyright registration time

2026-07-07T17:22:16+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp

2026-07-08T03:20:19Z

Bitcoin block

957118

Canonical record hash

sha256:88316c0c102abd53885b362d260086f6a6ee2415c370a98f25439398da089aff

• 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.