String Quartet No. 1 in B Minor, Op. 50: III. Andante

Recording identifiers

ISRC

DERK62464003

CopyrightID (CopyrightChains transaction hash)

0x419013092c192684886d81c64c52d930be4e6149d5d4d118fa077e1de8810eff

Copyright registration time

2026-07-31T05:28:33+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp

2026-07-31T05:48:18Z

Bitcoin block

960354

Canonical record hash

sha256:ed5e09155cf9ab465bafacdf2614044259c50c9e2ae4a370050f5649dcb3a917

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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.