Kreisleriana, Op. 16: 6. Sehr langsam

Recording by Robert Schumann.

Recording identifiers

ISRC
GBF077113086
CopyrightID (CopyrightChains transaction hash)
0x12789b6ca8bc92901ccf6cbe5cfb7e4da67b82df0515c57371bce4b4a172f0c6
Copyright registration time
2026-07-31T10:10:11+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T10:20:10Z
Bitcoin block
960389
Canonical record hash
sha256:504bb11195cdaef67e38f7c9646c44f11bd8e0def1870043d7511027ac169c9c

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.