I. Allegro

Recording by Antonio Vivaldi.

Recording identifiers

ISRC
HKI199329401
CopyrightID (CopyrightChains transaction hash)
0x5d0b9ce99c5fdd097e2318ff22e6b98cb01a6daea86f71d36d0637298a5d1f97
Copyright registration time
2026-01-28T22:20:31+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:1ac12ef8e2f50f58c70e91df41d6f06585cca1a9099f0f826a185e0f5ac3a320

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.