String Quartet No. 2 in E-Flat Major, Op. 26: II. Intermezzo. Allegretto con moto

Recording identifiers

ISRC

GBLWD1005506

CopyrightID (CopyrightChains transaction hash)

0x8d2fab831d688bfde1c722dc27582dd08eb1db4397eb20b421ee2c62c0d122b8

Copyright registration time

2026-07-30T12:03:03+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp

2026-07-30T12:45:34Z

Bitcoin block

960258

Canonical record hash

sha256:4f8e50e07f2ceed27c7512e45c059efb2a29d827a8169b794f24d1f1004edb62

• 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.