Eine Kleine Nachtmusik - II.

Recording by Wolfgang Amadeus Mozart.

Recording identifiers

ISRC
GBAYC9003017
CopyrightID (CopyrightChains transaction hash)
0xb492139493bf1d6268d4b6b01e3179f381e1fbd8fc855a4b1cc66fac7e0f4767
Copyright registration time
2026-06-18T14:03:47+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:0f0700e0b2a51fc27da94c8609e112147c2ec5609a1285fb89ac4e6e8047b49c

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.