Och wat wor dat fröher schön doch en Colonia

Recording by Willi Ostermann.

Recording identifiers

ISRC
DEL111302095
Release date of the album this recording appears on
2013-11-05
CopyrightID (CopyrightChains transaction hash)
0x7f890dfd7b36e86cb57b468f17654eb62acf2e48b0e3a8b68db70c7f490e90c6
Copyright registration time
2026-06-26T04:44:28+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:6396ca9bf570280947e53fcb391337fd14d7463ac367fd472793c5d53fa060ce

What this proof establishes

This recording was released in 2013, before generative AI. ProofProfile's catalogue derives from the pre-2022 AcousticBrainz and MusicBrainz source corpus, and 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.