thumb|Francesco Antonio Bonporti Francesco Antonio Bonporti (11 June 1672 – 19 December 1749) was an Italian priest and amateur composer. Born in Trento, he was admitted in 1691 to the Collegium Germ
1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 5. GET OTSVerificationAPI → pre-computed 6-check result from server 6. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf777d7d00f8611fb265b8f029466b9c7f24ffc1a169b88808f70df49628f578c. Chain 2 (Bitcoin): anchored in block 953717 (2026-06-15T01:05:33Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/889e22cd-7527-4978-9e4d-82f0a16a05cc.json and https://artists.proofprofile.net/proofs/artist/889e22cd-7527-4978-9e4d-82f0a16a05cc.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Bonporti: Concerti grossi, Op. 11 Nos. 4, 5, 6 & 8 (Mono Version)
Bonporti: Concertos à quatre, Op. 11 Nos. 1, 4, 5 & 8 (Mono Version)
Bonporti Concerti A Quattro Op.11 N. 4 - 5 - 6 - 8 - 9, Vol. 1
Bonporti: Inventions for Violin, Op. 10, Vol. 1
Bonporti: Inventions for Violin, Op. 10, Vol. 2
Bonporti, F.A.: Concertos A 4, Op. 11 - Nos. 1, 3, 5, 6, 8 / Concerto E Serenata, Op. 12 - Nos. 6, 8
Bonporti Edition, Vol. 1 - Motets for Solo Voice
Bonporti Edition, Vol. 3 - Concertos A 4, Nos. 1-10
Bonporti Edition, Vol. 2 - Chamber Sonatas
Bonporti Edition, Vol. 5 - Chamber Sonatas
Bonporti: 6 Motetti a canto solo con violini
Francesco Antonio Bonporti: 10 Inventions, Op. 10
Bonporti: Sonatas, Op. 2 for 2 Violins and B.C.
Bonporti: Sonatas, Op. 1 for 2 Violins and B.C.
Bonporti: Concerti, Op.11 Nos. 4, 5, 6 & 8
Bonporti: Sonatas, Op. 4 for 2 Violins and B.C.
Bonporti: Sonatas, Op. 6 for 2 Violins and B.C.
Bonporti: Complete Sonatas for 2 Violins and B.C.