Das Lied der Trennung, K. 519

Recording by Wolfgang Amadeus Mozart.

Recording identifiers

ISRC
NOEHX1616030
CopyrightID (CopyrightChains transaction hash)
0x8f6bcd6b36a8ca50fb2b1f9425ea9714bb87da22db21126dc123f0da77fed656
Copyright registration time
2026-07-07T20:01:37+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:39:04Z
Bitcoin block
957122
Canonical record hash
sha256:3c04c830385ae932b4f9ebf92c7b6f041ad9caaf18f27f26371cd5319d96e60f

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.