Schumann: String Quartet No. 1 in A Minor, Op. 41 No. 1: II. Scherzo. Presto

Recording identifiers

ISRC

DEC629100654

CopyrightID (CopyrightChains transaction hash)

0x77e907b88e0b7d777b373c42192310dd885da9702762accb7a5109c3853509eb

Copyright registration time

2026-08-01T01:17:57+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp

2026-08-01T01:44:32Z

Bitcoin block

960494

Canonical record hash

sha256:b8dedab01927be52d3989d65903a28501ce001086500215b523acc136404b398

• 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.