Allegro in F, K.1c

Recording by Wolfgang Amadeus Mozart.

Recording identifiers

ISRC
NLA508908125
CopyrightID (CopyrightChains transaction hash)
0x7a3c777deaaa3908fa708b4323ab5e53a2d4ac73c9c62dc28fa81e975998bf20

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T15:20:15Z
Bitcoin block
960418
Canonical record hash
sha256:b74568c7fdadfd100cb9ce4224b73eb6f0c0fc2c7cf2d5fa78d821f5e191f3f0

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.