String Quartet No. 13 in A Minor, D. 804, "Rosamunde": II. Andante

Recording identifiers

ISRC

SEWDL0504107

CopyrightID (CopyrightChains transaction hash)

0xac8071ea68d7c699742c58c4d4761f8ff62008ab73c60808c4c370412cb8abd3

OpenTimestamps proof evidence

Bitcoin-attested timestamp

2026-07-30T08:30:10Z

Bitcoin block

960229

Canonical record hash

sha256:d881d82c8c129d81b972ab4e56b1e2850054e7d8a3abf5533e8633fcd3474ca7

• 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.