Concerto for Recorder, Strings and Continuo in C Minor, RV 441: II. Largo

Recording by Antonio Vivaldi.

Recording identifiers

ISRC
ES7141500337
CopyrightID (CopyrightChains transaction hash)
0x69776fdf8fe7f457f6eb3440b1356a0e4d51d2522c8da6d2cde3430e51faceb5
Copyright registration time
2026-07-07T19:52:58+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:574e4d56113628c3b3ec6956bdf6800434427e68213d97d5f826157d84bad13d

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.