String Quartet No. 13 in B-Flat Major, Op. 130: I. Adagio ma non troppo

Recording identifiers

ISRC

FR7JM1905010

CopyrightID (CopyrightChains transaction hash)

0x7b932888170cd3e820516af66a04e96aa41fd253579d5e2897e0ef2803b5e1b1

Copyright registration time

2026-07-07T19:40:04+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp

2026-07-08T03:22:41Z

Bitcoin block

957120

Canonical record hash

sha256:ae72946b1f8f7159ad18149c24f9d380209b93bc8dc376002471e5d2d8506e1d

• 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.