II. Largo

Recording by Antonio Vivaldi.

Recording identifiers

ISRC
HKI199329411
CopyrightID (CopyrightChains transaction hash)
0x2e3fff520fce4c75ace82b11d3aa8e2497973508a88f52ab7832f0b9a82e5b57
Copyright registration time
2026-06-18T11:17:37+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-07T16:54:37Z
Bitcoin block
957067
Canonical record hash
sha256:205013c14ffb7cc71ae7e318d198186efab7ccb337ac03ef48cd9504eb4d1f46

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.