Unter Ferner Liefen

Recording by Prezident.

Recording identifiers

ISRC
DEQ022111675
CopyrightID (CopyrightChains transaction hash)
0x0d3e19fa8dfd6466eb4fc3a789a10a436ffa35f23d42caa8f8ea79227587ea5b
Copyright registration time
2026-06-27T13:17:29+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:7384045521a23b3f07c292d40146dc44fdb888f0bc973ee711de40075070478f

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.