Die Prüfung

Recording by Wolfgang Amadeus Mozart.

Recording identifiers

ISRC
DEF058331254
CopyrightID (CopyrightChains transaction hash)
0x05ba2c0c8fed1f7749f7b47bca7504badb235bdf82c7efb0b03ba37372746bba
Copyright registration time
2026-07-30T22:40:30+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T00:26:26Z
Bitcoin block
960327
Canonical record hash
sha256:e412456fb26b178261e25cdd0fc42a5ea347c3b6783c7a9823c6eb76b45118ef

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.