Bist Du unglücklich / Bist Du böse

Recording by Wietske van Tongeren, Uwe Kröger.

Recording identifiers

ISRC
ATM890701248
CopyrightID (CopyrightChains transaction hash)
0xead7f9805ed3305d2c023e3b6bd2c95d12eb96422d5ce4bdee6c38d1563fa384
Copyright registration time
2026-06-27T05:17:32+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:9e00bf47fda0e54d4397e5075455105d490f9faa62e59807f568f21cd9a10dea

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.