Der feierliche Maskenball

Recording by Wolfgang Amadeus Mozart.

Recording identifiers

ISRC
DEB691307416
CopyrightID (CopyrightChains transaction hash)
0x90762d71b890db77278fbe0071920237586862be6090b07f1f964ba342e0a3c7
Copyright registration time
2026-07-07T04:32:00+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:53:27Z
Bitcoin block
957124
Canonical record hash
sha256:df3322bc13f5b38cf169b1ecbe67dd42be9e4e34fc8012526ca58371505581b6

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.