Symphonic Studies, Op. 13: Etude VIII

Recording by Robert Schumann.

Recording identifiers

ISRC
DEF058100889
CopyrightID (CopyrightChains transaction hash)
0x53c133d585394963f9c19d9936cfb3a378dbd948dfb18983119008786be2b9a1
Copyright registration time
2026-07-30T18:53:46+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T19:11:09Z
Bitcoin block
960296
Canonical record hash
sha256:a5ed9130f8736a48179d11b7a467ce9ef8d8950e69b7116b331d011ee908ef90

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.