String Quartet No. 5 in A Major, Op. 18 No. 5: 4. Allegro

Recording identifiers

ISRC

GBBBA0202074

CopyrightID (CopyrightChains transaction hash)

0xb9d1f2346d27c3718d0dd23cab07033372a6af51ff3b4c5ea42cb5531169bbbc

Copyright registration time

2026-07-06T23:04:41+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp

2026-07-08T03:20:19Z

Bitcoin block

957118

Canonical record hash

sha256:69784fa9d342ef6ab8e6a114737821f38e54041daa95d4f607deae4f4d7f6137

• 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.