Concerto in d minor RV 454: Largo

Recording by Antonio Vivaldi.

Recording identifiers

ISRC
NLB151000845
CopyrightID (CopyrightChains transaction hash)
0x4061070528689600a2b23b8103ab459659e072fa249bcdb4bc2aeeedf5a5b472
Copyright registration time
2026-06-22T04:36:06+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:21440d73736d271498094a9ebcdd03781227a204fad7410240d25c53c7610121

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.