II. Largo

Recording by Antonio Vivaldi.

Recording identifiers

ISRC
GBAYC8904366
CopyrightID (CopyrightChains transaction hash)
0xfad8c90a4290e4752a4372d8de54ddf42cb1c56df5b23702ea1b36f5af604dd4
Copyright registration time
2026-06-10T03:00:28+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:fb30a406e758b17875757d6fadef14addb6b9db024024a7999f1d1dc3fc08c5a

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.