Sing ein Lied

Recording by Jochen Kowalski.

Recording identifiers

ISRC
DEC480700014
Release date of the album this recording appears on
2007-07-27
CopyrightID (CopyrightChains transaction hash)
0x90ab0224721b141f113ca3b50f9d3b99023e13ae8fd14a9d3b86c91023d460eb
Copyright registration time
2026-07-07T21:07:46+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:ce172d6782812bb830991486aa030b014e50e60c5857c3534b485d4cff81edbc

What this proof establishes

This recording was released in 2007, 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.