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Recording by Wolf Biermann.

Recording identifiers

ISRC
DENE27200011
CopyrightID (CopyrightChains transaction hash)
0x6bdced4b410b42b75335f625ee812dd29760601b097a43c76d9a5f0d66665fa6
Copyright registration time
2026-07-07T05:49:02+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:71362cbcb22b218038564cf4462a7ceb885f8037499d327a1c63dc774327bab8

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.