String Quartet No. 7 in F Major, Op. 59, No. 1 "Rasumovsky Quartet": IV. Allegro

Recording identifiers

ISRC

GBPFW1900061

Release date of the album this recording appears on

2021-10-08

CopyrightID (CopyrightChains transaction hash)

0xb54e2297966cb0a4dd2dc9de1ce3d33d505f1c122b1a0d98e4218c3728dc82a9

Copyright registration time

2026-06-07T16:57:16+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp

2026-06-13T15:41:10Z

Bitcoin block

953528

Canonical record hash

sha256:0f43fcce848d7ab51044da3a67c8fcb834b5243cde4d7f4c0ae723f6e9a9d3b5

• Verify the CopyrightID on CopyrightChains
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• Read the machine-verifiable OTS result
• Recording evidence summary for ISRC GBPFW1900061

What this proof establishes

This recording was released in 2021, before generative AI. ProofProfile's catalogue derives from the pre-2022 AcousticBrainz and MusicBrainz source corpus, and 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.