String Quartet No. 8 in C Minor, Op. 110: II. Allegro molto

Recording identifiers

ISRC

QM6MZ1735999

CopyrightID (CopyrightChains transaction hash)

0x23bdc085272d3b5b39860eebecbb673e2b96e8d524d759334d6642b0994e469c

Copyright registration time

2026-07-29T21:41:25+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp

2026-07-29T21:51:49Z

Bitcoin block

960150

Canonical record hash

sha256:b7061b6842dff200ffcc04e89775be815842c014419bcf4b9277373897b01acc

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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.