Als Luise die Briefe, K. 520

Recording by Wolfgang Amadeus Mozart.

Recording identifiers

ISRC
NOEHX1616070
CopyrightID (CopyrightChains transaction hash)
0x5064fab4c7891361391df3ff773432d37782cbc8d6737e4537e13cf2bc6671bd
Copyright registration time
2026-07-06T21:24:46+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:1740f28eb664d1e12bf7c23dc929dd24ac0ff694615d3bf2b47d28cbf3e43be7

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.