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 0x780fc7a7593ea6129a1583733900e51c3b515b7ef7b4e206016a87aee2522190. Chain 2 (Bitcoin): anchored in block 953641 (2026-06-14T13:54:28Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/3cb85869-e978-48d0-8d2c-eecaf9718a06.json and https://artists.proofprofile.net/proofs/artist/3cb85869-e978-48d0-8d2c-eecaf9718a06.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Cantata No.159 - Seht, Wir Gehn Hinauf Gen Jerusalem, BWV 159: IV. Es Ist Vollbracht
Motet: Exsultate Jubilate, K.165: Alleluia
Auf Flügeln des Gesanges (Op.34 No.2: poem by Heine)
The Tales of Hoffman:Barcarolle, 'Night of Stars'
Text By Von Chézy, D.965: Der Hirt Auf Dem Felsen
'Der Opernball': Text By Leon & Wahlberg: Im Chambre Séparée
Mariä Wiegenlied,Op.76 No.52: Poem By Martin Boelitz
Der Obersteiger: Text By West & Held: Sei Nicht Bös
Des Knaben Wunderhorn: Wer Hat Dies Liedlein Erdacht?
Poem By Reinhold, Op.97 No.1: Nachtigall
Der Opernball: Midnight Bells (Arr. Kreisler for Violin and Piano)
Heuberger: Der Opernball: "Im Chambre séparée" (Henri, Hortense)
Meine Lippen sie küssen so heiss - Operetta's Greatest Hits
Der Opernball, Op. 40: Gehen wir ins Chambre separée
The Richard Tauber Collection, Vol. 26: Various Operetta & Film Scenes