Der lachende Vagabund

Recording by Fred Bertelmann.

Recording identifiers

ISRC
DEHB51207210
CopyrightID (CopyrightChains transaction hash)
0x767f69e61a76077808ed425499b351c390bafdc375ac04f03eced5167eb1bf19
Copyright registration time
2026-06-10T04:55:57+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:42232f1a155226b67f4b089ef4bb94559423d3baa4e78735720f241ebca925a0

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.