Hinten an der Tür

Recording by Klaus Renft Combo.

Recording identifiers

ISRC
DEHU50600022
CopyrightID (CopyrightChains transaction hash)
0x77af521289fdc3a3d7b007627d7e862a3ff2d3cd21d148f241111ac753840ac4
Copyright registration time
2026-07-07T12:02:36+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:e6baf21013477323b9a44991e32bcf6c73993adbe6277109bcd0c6debb9720dc

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.