Johann Paul von Westhoff (1656 – buried 17 April 1705) was a German Baroque composer and violinist. One of the most important exponents of the Dresden violin school, he was among the highest ranked vi
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 0x704a307f3c1090327b20c0e93fdf76758ba2d0f86b15e1a484a99b5027e1c8c3. Chain 2 (Bitcoin): anchored in block 953842 (2026-06-15T22:22:30Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/ecf7413b-5832-400e-8594-c4e8507f9891.json and https://artists.proofprofile.net/proofs/artist/ecf7413b-5832-400e-8594-c4e8507f9891.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Westhoff, J.P. Von: Violin Suites (Complete)
Westhoff: Sonates pour violon & basse continue
Westhoff: Sonates pour violon et basse continue (Alpha Collection)
Westhoff: Sei partite à violino senza basso accompagnato, 1696
Westhoff: Sonata for Violin and Basso Continuo in A Major "La Guerra": VI. La guerra cosi nominata di sua Maesta
Sonata III in d minor Imitazione delle campagne
Johann Paul von Westhoff: Suite for Solo Violin in D Minor, II. Courante