Vorfrühling

Recording by Wolf Biermann.

Recording identifiers

ISRC
DENE27300008
CopyrightID (CopyrightChains transaction hash)
0x9f1c4072962dff485ee8bd84b472cfd98595c5ce04cf1e1afe82a77438b4ea82
Copyright registration time
2026-07-07T06:08:24+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:ffe793d017d12ab6a79b43d2fa37963a3341de2dac9e334b0f8e3255f95e9071

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.