String Quartet No. 5 in B-Flat Major, Op. 92: III. Moderato

Recording by Dmitri Shostakovich.

Recording identifiers

ISRC
FR7JM2395080
CopyrightID (CopyrightChains transaction hash)
0xebf99d5641c5d041079e8c809d6270ee0b5481555aaa5d36e71d3fd439bc087f
Copyright registration time
2026-07-31T06:53:52+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T06:58:00Z
Bitcoin block
960362
Canonical record hash
sha256:1d13737b0cd706453fa98ab53f2ebe68516e55b89b87cb38000bae6a762471fc

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.