1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → block must exist at that height 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 artist was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2476e5ad59ac743729d4e127d92642a63a70add004ae43f0a2a4fb5d8c320eb1. Chain 2 (Bitcoin): anchored in block 953407 (2026-06-12T19:24:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/f18ae4a8-0b3f-452d-98c2-bd689cdbd8cb.json and https://artists.proofprofile.net/proofs/artist/f18ae4a8-0b3f-452d-98c2-bd689cdbd8cb.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Folia Variations (After M. Marais & A. Corelli)
Trio Sonata in D Minor, Op. 1 No. 12, RV 63 "La follia"
Concerto grosso No. 12 in D Minor "Follia"
Recorder Sonata in D Minor, Op. 3 No. 12: IV. Follia
Violin Sonata in D Minor, Op. 5 No. 12 “La folia”
Trio Sonata in D Minor. Op. 1 No. 12, RV 63 "Follia" (1)
Folias echa para mi Señora Doña Tarolilla de Carallenos (2)
Trio Sonata in D Minor. Op. 1 No. 12, RV 63 "Follia" (2)
Violin Sonata in D Minor, Op. 5 No. 12 "La folia"
Folias echa para mi Señora Doña Tarolilla de Carallenos (1)
Pandolfo, P.: Viola Da Gamba Music (Improvisando)
Symphony No. 4 in A Major, Op. 90, "Italian": Toccata del Signor Pandolpho