Brahms: String Quartet No. 1 in C Minor, Op. 51 No. 1: IV. Allegro

Recording identifiers

ISRC

GBAYC1500559

CopyrightID (CopyrightChains transaction hash)

0xabcac487d62c8b52fd1c4b15a4ca44440f0e5010c8d75bfb9fa1385a5fd55177

Copyright registration time

2026-07-31T03:37:39+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp

2026-07-31T04:14:58Z

Bitcoin block

960344

Canonical record hash

sha256:61cf7b572a82f0787750fe36f41f0566d715ef6312049ee5576fdd911b970f41

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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.