Vorspiel (Schmalzmelodie)

Recording by Ludwig Hirsch.

Recording identifiers

ISRC
ATUM70800076
CopyrightID (CopyrightChains transaction hash)
0x81639d19b012f20a4eda2fd35330ed4abe1a3cc6f1d705c0690f7765bfafb2f0
Copyright registration time
2026-07-07T22:36:30+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:5c302be1225f8f2e20fdbb6bfac06955534e2145f6c706cc37f7a5c5fbb7dddd

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.