Die Zauberflöte, K.620, Act II: Der Hölle Rache

Recording by Wolfgang Amadeus Mozart.

Recording identifiers

ISRC
GBAYC8100061
CopyrightID (CopyrightChains transaction hash)
0xe36fb2baa9a8fbe93ded7815632681bf75a470c12c0ce91b44a0a483f1cf4fc7

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T12:24:41Z
Bitcoin block
960397
Canonical record hash
sha256:a0d4144a370e6676a68108d98ee78f9b1fa78882e89e6df4761f9497fd2da09c

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.