K.O. Tropfen

Recording by Anny Hartmann.

Recording identifiers

ISRC
DE1EJ2500946
CopyrightID (CopyrightChains transaction hash)
0xd610627f5260cdea7f2c3b98d205d6adeeeca5b37a4399349bc8fb2150e5d642
Copyright registration time
2026-07-30T15:31:27+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T15:42:38Z
Bitcoin block
960273
Canonical record hash
sha256:a431b4d98f036b78343287138142abfe49504b930393ca47e37f28e80f905972

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.