I. Allegro

Recording by Wolfgang Amadeus Mozart.

Recording identifiers

ISRC
HKI199282101
CopyrightID (CopyrightChains transaction hash)
0xe1f054ddea55f90ffd61a8a719b7c3bfdbb18657c01527b45545d12ed0a3e94a

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-29T19:35:34Z
Bitcoin block
960138
Canonical record hash
sha256:4cae75cd058664836430d9c9e930793c78d4be59a2c069d8aafd69dea6e71899

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.