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 0xf2b02e4cce5b515accd8f625b5a43b857ddf567cfeada541daa506e446235afb. Chain 2 (Bitcoin): anchored in block 953727 (2026-06-15T02:33:01Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/8f1aec1a-6637-493a-b3a3-c1ddecb7a4c6.json and https://artists.proofprofile.net/proofs/artist/8f1aec1a-6637-493a-b3a3-c1ddecb7a4c6.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
The Adventures of Sherlock Holmes (By Sir Arthur Conan Doyle) [Remastered]
The War of the Worlds (Original 1938 Broadcast) [By Orson Welles] [Remastered]
The Return of Sherlock Holmes (By Sir Arthur Conan Doyle) [Remastered]
The Memoirs of Sherlock Holmes (By Sir Arthur Conan Doyle) [Remastered]
A Tale of Two Cities (By Charles Dickens)
The Secret Garden (By Frances Hodgson Burnett)
Anne of Avonlea (By Lucy Maud Montgomery)
The Voyages of Doctor Dolittle (By Hugh Lofting)
The Return of Tarzan (By Edgar Rice Burroughs)
The Man in the Iron Mask (By Alexandre Dumas)
The Count of Monte Cristo (By Alexandre Dumas)
The Oakdale Affair (By Edgar Rice Burroughs)
The Island of Doctor Moreau (By H. G. Wells)
The $30,000 Bequest and Other Stories (By Mark Twain)
Tarzan of the Apes (By Edgar Rice Burroughs)
The Strange Case of Dr. Jekyll and Mr. Hyde (By Robert Louis Stevenson)
The Phantom of the Opera (By Gaston Leroux)
Through the Looking-Glass (By Lewis Carroll)
The Science of Getting Rich (By Wallace D. Wattles)
The Old Curiosity Shop (By Charles Dickens)
The Further Adventures of Robinson Crusoe (By Daniel Defoe)
Anne's House of Dreams (By Lucy Maud Montgomery)
The Wind in the Willows (By Kenneth Grahame)
The Pickwick Papers (By Charles Dickens)
The Patchwork Girl of Oz (By L. Frank Baum)
The Letters of Jane Austen (By Jane Austen)
The Emerald City of Oz (By L. Frank Baum)
Grimms' Fairy Tales (By Jacob and Wilhelm Grimm)
Treasure Island (By Robert Louis Stevenson)
The Lost Prince (By Frances Hodgson Burnett)
The Life and Adventures of Nicholas Nickleby (By Charles Dickens)
Out of Time's Abyss (By Edgar Rice Burroughs)
Five Weeks in a Balloon (By Jules Verne)
Anne of the Island (By Lucy Maud Montgomery)
The Legend of Sleepy Hollow (By Washington Irving)
The Curious Case of Benjamin Button (By F. Scott Fitzgerald)
The Captain of the Polestar and Other Tales (By Sir Arthur Conan Doyle)
Pollyanna Grows Up (By Eleanor H. Porter)
The Swiss Family Robinson (By Johann David Wyss)
The Biography of a Grizzly (By Ernest Thompson Seton)
Jungle Tales of Tarzan (By Edgar Rice Burroughs)
Dorothy and the Wizard in Oz (By L. Frank Baum)
Around the World in Eighty Days (By Jules Verne)
Adventures of Huckleberry Finn (By Mark Twain)
Twenty Thousand Leagues Under the Sea (By Jules Verne)
The Master of the World (By Jules Verne)
The Life and Adventures of Martin Chuzzlewit (By Charles Dickens)
The Wonderful Wizard of Oz (By L. Frank Baum)
The Story of Doctor Dolittle (By Hugh Lofting)
The Land That Time Forgot (By Edgar Rice Burroughs)
Ben Hur a Tale of the Christ (By Lew Wallace)
The People That Time Forgot (By Edgar Rice Burroughs)
Tales of Space and Time (By H. G. Wells)
Little Lord Fauntleroy (By Frances Hodgson Burnett)
The Adventures of Tom Sawyer (By Mark Twain)
Tarzan and the Jewels of Opar (By Edgar Rice Burroughs)
Romeo and Juliet (By William Shakespeare)
King Solomon's Mines (By H.Rider Haggard)
Alice's Adventures in Wonderland (By Lewis Carroll)
A Little Princess (By Frances Hodgson Burnett)
Shakespeare's Sonnets (By William Shakespeare)
Anne of Green Gables (By Lucy Maud Montgomery)
The Marne, A Tale of the War (By Edith Wharton)
The Last of the Plainsmen (By Zane Grey)
In Memoriam A.H.H. (By Alfred, Lord Tennyson)
High Adventure; a Narrative of Air Fighting in France (By James Norman Hall)
Secret of the Ninth Planet (By Donald Wollheim)
The Forsaken Inn (By Anna Katharine Green)
The Trail of the Hawk (By Sinclair Lewis)
The House of the Vampire (By George Sylvester Viereck)
Reed Anthony, Cowman an Autobiography (By Andy Adams)
The Petticoat Commando (By Johanna Brandt)
Moving the Mountain (By Charlotte Perkins Gilman)
Astrophil and Stella (By Sir Philip Sidney)
An Antarctic Mystery, Or the Sphinx of the Ice Fields (By Jules Verne)
Kitchener's Mob Adventures of an American in the British Army (By James Norman Hall)
Brood of the Dark Moon (By Charles W. Diffen)
The Man Who Fell Through the Earth (By Carolyn Wells)
The History of Mr. Polly (By H. G. Wells)
The Forgotten Planet (By Murray Leinster)
The Custom of the Country (By Edith Wharton)
The Adventures of Odysseus and the Tale of Troy (By Padraic Colum)
Poems Every Child Should Know (By Various)
Fighting France, From Dunkerque to Belfort (By Edith Wharton)
The Ultimate Weapon (By John Wood Campbell)
The Riders of the Silences (By Max Brand)
The Mystery of the Hasty Arrow (By Anna Katharine Green)
The Greater Inclination (By Edith Wharton)
The Finding of Haldgren (By Charles W. Diffen)
Plunkitt of Tammany Hall (By George Washington Plunkitt)
Incidents in the Life of a Slave Girl, Written by Herself (By Harriet Jacobs)
The Girl on the Boat (By P.G. Wodehouse)
Behind a Mask, Or a Woman's Power (By Louisa May Alcott)
The Semi-Attached Couple (By Emily Eden)
The Food of the Gods and How It Came to Earth (By H. G. Wells)
Lady Audley's Secret (By Mary Elizabeth Braddon)
Faery Lands of the South Seas (By James Norman Hall and Charles Nordhoff)
Dave Dawson on Guadalcanal (By Robert Sidney Bowen)
The Glimpses of the Moon (By Edith Wharton)
Notes on Nursing (By Florence Nightingale)
Idylls of the King (By Alfred, Lord Tennyson)
Two Thousand Miles Below (By Charles W. Diffen)
Travels with a Donkey in the Cevennes (By Robert Louis Stevenson)
The First Men in the Moon (By H. G. Wells)
The People of the Mist (By H. Rider Haggard)
The Red Badge of Courage; an Episode of the American Civil War (By Stephen Crane)
The Heritage of the Desert (By Zane Grey)
The Bells of San Juan (By Jackson Gregory)
The Girl in the Golden Atom (By Ray Cummings)