Die Dreigroschenoper: Ruf aus der Gruft

Recording identifiers

ISRC

USBC19901190

CopyrightID (CopyrightChains transaction hash)

0x6828241d963669e89f92fc0b4481d53a1af0097d5845c92517d54a0dda98a096

Copyright registration time

2026-07-07T08:26:04+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp

2026-07-08T03:20:19Z

Bitcoin block

957118

Canonical record hash

sha256:4a75734bbc32fa48a7ae09676042420f0b85a2520d2b702d1d9fae41aa46e153

• Verify the CopyrightID on CopyrightChains
• Verify the Bitcoin block independently
• Read the machine-verifiable OTS result

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.