Bassoon Concerto in E-Flat Major, RV 483: II. Larghetto

Recording by Antonio Vivaldi.

Recording identifiers

ISRC
DEFG21620802
CopyrightID (CopyrightChains transaction hash)
0xb34abfbfe377fb4c685e7ffc9b6bba0131b39f057c7ca7f0f503f7a799ae3fe1
Copyright registration time
2026-07-30T14:53:46+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T15:42:38Z
Bitcoin block
960273
Canonical record hash
sha256:6eec6b3b511ea1b83737fd0a586c4e2f43fee04b037970daeb1c6b297c3e2e37

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.