Flute Concerto in G Major, RV 437: 2. Largo

Recording by Antonio Vivaldi.

Recording identifiers

ISRC
GBF077640219
CopyrightID (CopyrightChains transaction hash)
0x51a305fea85eb82eb0f46c6efc6c478e2c65f3edf57670364fdce9365a35138a
Copyright registration time
2026-07-07T02:04:40+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:198b4877c9b7722097073329c7fc268939d399b36e727aafdaf20eead97a4c8c

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.