Barbara Nissman (born December 31, 1944, in Philadelphia, Pennsylvania) is an American pianist. She is especially known for her interpretations and performances of the works of Alberto Ginastera and S
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 0xc28d7a9752753d0ea42e0ef67244b866f5054772e0bf9a416770918306781fd5. Chain 2 (Bitcoin): anchored in block 953423 (2026-06-12T21:20:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/2d56c60a-2fb6-46da-a6de-0ad496946682.json and https://artists.proofprofile.net/proofs/artist/2d56c60a-2fb6-46da-a6de-0ad496946682.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Out of Doors: Barbara Nissman, Piano - Bartók, Schubert, Chopin, Rachmaninoff, Hummel, Mendelssohn, Prokofiev
The Storyteller, Music of Robert Schumann
Not Too Serious... Beethoven's Diabelli Variations - Barbara Nissman, Piano & Works By Bartók, Liszt & Prokofiev
Fireworks! Barbara Nissman, Piano - Scarlatti, Brahms, Debussy & Liszt
Love & Loss, Music of Rachmaninoff Volume II Etudes-Tableaux
Dramatic Visions: Barbara Nissman, Piano - Beethoven - Prokofiev - Schubert - Wagner - Liszt - Chopin
Fascinating Rhythms! Barbara Nissman, Piano- Prokofiev, Schumann, Chopin, Lees, Albéniz, Ginastera & Gershwin
Love & Loss, Music of Rachmaninoff, Vol. I: Preludes
Triumph! Beethoven Sonata, Op. 106: Barbara Nissman, Piano & Works By Bach, Liszt & Prokofiev
Glory in the Highest! Barbara Nissman, Piano: Bach-Busoni, Beethoven, Franck, Barber, Granados, Ginastera & Debussy
Journeys of the Soul: From Bach to Balakirev- Barbara Nissman, Piano
Love & War: Barbara Nissman, Piano - Prokofiev, Chopin, Liszt, Lees, Bartók
Romantic Tales: Barbara Nissman, Piano: Chopin, Ravel, Buxtehude, Prokofiev, Scriabin, Mendelssohn, Schumann & Rachmaninoff