Hämmerchen-Polka

Recording by Heinz Erhardt.

Recording identifiers

ISRC
ES5832100185
CopyrightID (CopyrightChains transaction hash)
0xa694850aa2309925c44a32a5b7598d8a3fb910adc2cc6ed5e92efbabeecc1bb8
Copyright registration time
2026-08-01T00:43:25+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-08-01T01:44:32Z
Bitcoin block
960494
Canonical record hash
sha256:4785e6b1cc6751b8c252001d95f04a6476e5ba86e7d9d12485229f38c33526bc

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.