I. Allegro

Recording by Antonio Vivaldi.

Recording identifiers

ISRC
USSM10401302
CopyrightID (CopyrightChains transaction hash)
0x9a6b2f7b98a6008d62b13836cdda1ddd4f9f895c46a6d43618e76f5d6a363b13
Copyright registration time
2026-06-27T07:27:14+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:226756229f6ef840a407fe60bc7197e0cc858b54516f30e71c709524253c1649

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.