String Quartet No. 10 in E-Flat Major, Op. 125 No. 1, D. 87: III. Adagio

Recording identifiers

ISRC

DEAD61706946

CopyrightID (CopyrightChains transaction hash)

0x6ffdc83df00d404d67127c36dc545cc39ad9ee91d7a8e1908714db851472ba9f

Copyright registration time

2026-07-06T10:09:06+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp

2026-07-07T16:54:37Z

Bitcoin block

957067

Canonical record hash

sha256:eea4eb72eb2872dfd7e506afb06e0a41347380e77a39e7735aba3fed5d19314a

• Verify the CopyrightID on CopyrightChains
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• Read the machine-verifiable OTS result

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.