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 0x67a1fbc0967989212bd6dec721077cf398e9ed875745e4470acc2ec1196dbcc4. Chain 2 (Bitcoin): anchored in block 953772 (2026-06-15T10:33:29Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/c775ac05-98cb-41d8-a4da-2e5bf7ef2f83.json and https://artists.proofprofile.net/proofs/artist/c775ac05-98cb-41d8-a4da-2e5bf7ef2f83.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Don Carlo: Dio, che nell'alma infondere (Live)
Det sjungande tradet, Op. 110, Act II Scene 4: The Market. The Princess and the Fool have come to the market [Fruit Seller, Fool, Folks, Merry-makers, Princess]
Det sjungande tradet, Op. 110 (The Singing Tree)
Det sjungande tradet (The Singing Tree), Op. 110: Act II Scene 4: The Market: The Princess and the Fool have come to the market (Fruit Seller, Fool, Folks, Merry-makers, Princess)
Don Carlo*: Act I: Introduction and Chorus: Su, cacciator! (Hunters)
Don Carlo*: Act I: Narrative: Fontainebleau! foresta immensa (Don Carlos)
Don Carlo*: Act I: Romance: Io la vidi e al suo sorriso (Don Carlos)
Don Carlo*: Act I: Scene: Il suon del corno (Don Carlos, Tebaldo, Elisabeth)
Don Carlo*: Act I: Duet: Che mai fate voi? (Elisabeth, DOn Carlos)
Don Carlo*: Act I: Di qual amor (Elisabeth, Don Carlos)
Don Carlo*: Act I: Scene: Al fedel ch'ora viene (Tebaldo, Elisabeth, Don Carlos)
Don Carlo*: Act I: Finale: Inni di festa (Elisabeth, Don Carlos, Count of Lerma, People)
Don Carlo*: Act II Scene 1: Scene and Prayer: Carlo, il sommo imperatore (Old Monk, Monks)
Don Carlo*: Act II Scene 1: Scene: Al chiostro di San Giusto (Don Carlos, Old Monk)
Don Carlo*: Act II Scene 1: Duet: E lui! desso! l'infante (Rodrigo, Don Carlos)
Don Carlo*: Act II Scene 1: Dio, che nell'alma infondere (Don Carlos, Rodrigo, Old Monk, Monks)
Don Carlo*: Act II Scene 2: Chorus: Sotto ai folti (Ladies-in-waiting, Tebaldo, Princess Eboli)
Don Carlo*: Act II Scene 2: Veil Song: Nel giardin del bello (Eboli, Tebaldo, Ladies)
Don Carlo*: Act II Scene 2: Scene: La regina (Eboli, Elisabeth, Tebaldo, Rodrigo, Ladies)
Don Carlo*: Act II Scene 2: Romance: Carlo, ch'e sol il nostro amore (Rodrigo, Elisabeth, Eboli)