Concerto In D Major, II. Larghetto

Recording by Antonio Vivaldi.

Recording identifiers

ISRC
USA561240202
CopyrightID (CopyrightChains transaction hash)
0xa237065051e6d131247db8eed32ca55cef4fa63476de7ba3d35228bfeaa1ea28
Copyright registration time
2026-06-21T20:57:33+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:0ef303fc571c028e42eaf101129c337eec4ab15289ba932666062fbeb74dd477

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.