Concerto for Strings and Continuo in D, R.121: 1. Allegro molto

Recording by Antonio Vivaldi.

Recording identifiers

ISRC
DEN960302251
CopyrightID (CopyrightChains transaction hash)
0xa16f999a242a3a7733f70fe939058845dae463625ae7f91154762f1ebf417222
Copyright registration time
2026-06-20T01:09:50+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:eddceb6653b1535c00420251f095f5c21b1fe4fff0b9a27fa419bb0e349316de

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.