Requiem für Mignon, Op. 98b: I. Langsam feierlich

Recording by Robert Schumann.

Recording identifiers

ISRC
DEF059004501
CopyrightID (CopyrightChains transaction hash)
0xdaac0ae626a6b79abc015d596359f5aab55d9d3fe4b99d99285838829c393184
Copyright registration time
2026-07-06T20:15:49+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:88cc780bb00e8fe6dc9eab7f72d5148698e4c29c140bee786bdc6225377fb8b1

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.