thumb|upright| Lore Wissmann (22 June 1922 – 25 December 2007) was a German operatic soprano. Life Wissmann was born in Neckartailfingen. After studying at the State University of Music and Perfor
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 0x65fbe88535dc6cc1ce1f3b453b3211d2b7b4af94771ef936b38ed69f7e01e0c0. Chain 2 (Bitcoin): anchored in block 953949 (2026-06-16T13:28:01Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/0a7521c2-c9d6-4246-a7be-9470996e377a.json and https://artists.proofprofile.net/proofs/artist/0a7521c2-c9d6-4246-a7be-9470996e377a.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Dokumente einer Sängerkarriere - Wolfgang Windgassen
Lortzing: Der Wildschütz (Recorded 1958) [Live]
Debussy: Pelléas et Mélisande, L. 88 (Sung in German)
Wagner: Der Ring des Nibelungen, WWV 86 (Live)
Wagner: Highlights from The Ring Cycle - Essential Music from Der Ring des Nibelungen with Ride of the Valkyries, Siegfried's Rhine Journey & More
John Culshaw - The Art of the Producer - The Early Years 1948-55
Wagner: Parsifal – 1951 Recording (Hans Knappertsbusch - The Opera Edition: Volume 5)
Hans Hotter "The Wotan of the Century" at His Best, Vol. 1
Lortzing: Der Wildschutz (The Poacher) [Recorded 1958]
Brahms: Ein deutsches Requiem (Stereo Version)