Das Lied vom Lachen

Recording by Hans-Ulrich Pohl.

Recording identifiers

ISRC
DENM12000174
CopyrightID (CopyrightChains transaction hash)
0x653cf1fde17457c155581b50e75d8e5fff0574193a83c086396774d4cec81f72
Copyright registration time
2026-06-22T09:19:13+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:9cd6ebede014b814e13155063548a4d91f88d65f82f441b4d515ccb282fe1a09

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.