Die Zauberflöte, K. 620, Act I: No. 4, O zittre nicht, mein lieber Sohn!

Recording identifiers

ISRC

GBF075540405

Release date of the album this recording appears on

1956-01-01

CopyrightID (CopyrightChains transaction hash)

0x7e2a981294152a4b0d281f527c0d54b732e500de60dddc0d9c34c9091f3f7b67

Copyright registration time

2026-07-29T10:54:58+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp

2026-07-29T11:07:37Z

Bitcoin block

960095

Canonical record hash

sha256:7d449dbbe7402ef0c6b1015dacb457fe869db14ec798718c159193c71cb9d92f

• Verify the CopyrightID on CopyrightChains
• Verify the Bitcoin block independently
• Read the machine-verifiable OTS result
• Recording evidence summary for ISRC GBF075540405

What this proof establishes

This recording was released in 1956, before generative AI. ProofProfile's catalogue derives from the pre-2022 AcousticBrainz and MusicBrainz source corpus, and 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.