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 entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x64df14d240dbd6c54a1d79cbe4d97dd124690f57be0c3c3aeefedf0efe01c48c. Chain 2 (Bitcoin): anchored in block 954346 (2026-06-19T03:51:26Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/9a9a016c-7d27-4f75-9350-6525405fa675.json and https://artists.proofprofile.net/proofs/artist/9a9a016c-7d27-4f75-9350-6525405fa675.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
The Arcadians: No. 20, All Down Piccadilly
A Country Girl: No. 11, Under the Deodar
A Country Girl: No. 5, Yo Ho, Little Girls, Yo Ho!
A Country Girl: No. 2, Try Again, Johnnie
A Runaway Girl: No. 2, The Sly Cigarette
A Runaway Girl: No. 18, The Boy Guessed Right
The Toreador: No. 18, When I Marry Amelia
The Toreador: No. 22, Keep Off the Grass
The Cingalee: No. 3, Pearl of Sweet Ceylon
The Circus Girl: No. 18, A Simple Little String
The Shop Girl: No. 20, Beautiful Bountiful Bertie
The Quaker Girl: No. 6, A Bad Boy and a Good Girl
The Quaker Girl: No. 27, The Little Grey Bonnet
The Quaker Girl: No. 22, Tony, from America
The Girls of Gottenberg: No. 20, Two Little Sausages
The Cingalee: Act II: Chorus: A Happy New Year
The Cingalee: Act I: Pearl of Sweet Ceylon (Vereker) - Tea, Tea, Tea (Naitooma)
The Cingalee: Act I: My Cinnamon Tree (Nanoya)
The Cingalee: Act I: In the island of Gay Ceylon
The Cingalee: Act II: Finale: Cingalee (Vereker)
The Cingalee: Act I: Duet: White and Brown Girl (Peggy, Chambhuddy)
The Cingalee: Act II: Quartet: True Love (Lady Patricia, Nanoya, Bobby, Vereker)
The Cingalee: When This Girl Was A Wee Girl (Chambhuddy)
The Cingalee: Duet: Monkeys (Peggy, Chambhuddy)
The Cingalee: Duet: You and I (Lady Patricia, Vereker)
The Cingalee: The Dance I'll Lead Him (Nanova)
The Cingalee: Act I: Finale: Bear Away the Bride (Nanoya, Vereker, Patricia, Chorus)
The Arcadians: Act III: Chorus: Plant Your Posies (Waitresses)
The Arcadians: Act III: My Motter (Doddy)
The Arcadians: Fickle Fortune, "Drinking Song" (Jack and Chorus)
The Arcadians: Act I: The Pipes of Pan are calling (Sombra)
The Arcadians: Act I: Sweet Simplicitas (Smith)
The Arcadians: Act II: Arcady is ever young (Sombra)
The Arcadians: Act III: I like London (Chrysalea) - We want to be Arcadians (Bobby, Chorus)
The Arcadians: Act I: Quartet: The Joy of Life (Sombra, Chrysea, Astrophel, Strphon)
The Arcadians: Act II: Back your fancy (Jack, Chorus)
The Arcadians: Act III: Duet: Half-past two (Eileen, Jack)
The Arcadians: Act III: Chorus: All down Piccadilly (Smith)
The Arcadians: Act II: Chorus: The Girl with a Brogue (Eileen)
The Arcadians: Act II: Duet: Charming Weather (Jack, Eileen) - Act III: Truth is so beautiful (Jack, Bobie, Smith)
The Arcadians: Act I: Finale: To all and each Arcady is very young (All)
The Quaker Girl: Act II: Chorus: In This Abode of Madame la Mode (French Milliners)
The Quaker Girl: Act I: A Quaker Girl (Prudence)
The Quaker Girl: Act II: Duet: A Dancing Lesson (Prudence, Tony)
The Quaker Girl: Act I: Chorus: While our worthy village neighbours - March Quintet: Act II: Barbizon
The Quaker Girl: Tony from America (Prudence) - O, Time, Time! (Mathilde)
The Quaker Girl: Act II: Duet: Mr. Jeremiah, Esquire! (Phoebe, Jeremiah)
The Quaker Girl: Act II: Couleur de Rose (Prince)
The Quaker Girl: Act III: The Little Grey Bonnet (Prudence)
The Quaker Girl: Act II: Chorus: Come to the Ball (Prince)
The Cingalee, Act II: Chorus. A Happy New Year
The Cingalee, Act I: Pearl of Sweet Ceylon (Vereker) - Tea, Tea, Tea [Naitooma]
The Cingalee, Act I: My Cinnamon Tree (Nanoya)
The Cingalee, Act I: In the island of Gay Ceylon
The Cingalee, Act II: Finale. Cingalee (Vereker)
The Cingalee, Act I: Duet. White and Brown Girl (Peggy, Chambhuddy)
The Cingalee, Act II: Quartet: True Love (Lady Patricia, Nanoya, Bobby, Vereker)
The Cingalee: When This Girl Was a Wee Girl (Chambhuddy)
The Cingalee: Duet. Monkeys (Peggy, Chambhuddy)
The Cingalee: Duet. You and I (Lady Patricia, Vereker)
The Cingalee, Act I: Finale. Bear Away the Bride (Nanoya, Vereker, Patricia, Chorus)
The Arcadians, Act III: Chorus. Plant Your Posies (Waitresses)
The Arcadians, Act III: My Motter (Doddy)
The Arcadians, Act I: The Pipes of Pan Are calling (Sombra)
The Arcadians, Act I: Sweet Simplicitas (Smith)
The Arcadians, Act II: Arcady Is ever young (Sombra)
The Arcadians, Act III: I like London (Chrysalea) - We want to be Arcadians [Bobby, Chorus]
The Arcadians, Act I: Quartet: The Joy of Life (Sombra, Chrysea, Astrophel, Strphon)
The Arcadians, Act II: Back your fancy (Jack, Chorus)
The Arcadians, Act III: Duet. Half-past two (Eileen, Jack)
The Arcadians, Act III: Chorus. All down Piccadilly (Smith)
The Arcadians, Act II: Chorus. The Girl with a Brogue (Eileen)
The Arcadians, Act II: Duet. Charming Weather (Jack, Eileen) - Act III: Truth Is so beautiful [Jack, Bobie, Smith]
The Arcadians, Act I: Finale. To all and each Arcady Is very young (All)
The Quaker Girl, Act II: Chorus. In This Abode of Madame la Mode (French Milliners)
The Quaker Girl, Act I: A Quaker Girl (Prudence)
The Quaker Girl, Act II: Duet. A Dancing Lesson (Prudence, Tony)
The Quaker Girl, Act I: Chorus. While our worthy village neighbours - March Quintet: Act II: Barbizon
The Quaker Girl: Tony from America (Prudence) - O, Time, Time! [Mathilde]
The Quaker Girl, Act II: Duet. Mr. Jeremiah, Esquire! (Phoebe, Jeremiah)
The Quaker Girl, Act II: Couleur de Rose (Prince)
The Quaker Girl, Act III: The Little Grey Bonnet (Prudence)
The Quaker Girl, Act II: Chorus. Come to the Ball (Prince)
The Arcadians, Act I: The Pipes of Pan (Sombra) - 1969 Remaster
The Golden Age of Light Music: Four Decades of Light Music - Vol. 1, 1920s & 30s
Prince of Wales Playhouse, Lewisham, Orchestra
The Golden Age of Light Music: British Cinema and Theatre Orchestras - Vol. 4
Chalk Farm to Camberwell Green - Live At Savage Club, London / 2003
London Pride: A Celebration of London in Song
The Regimental Band of the Coldstream Guards
Regimental Marches of the British Army, Vol. 1
The Merrymakers - British Light Classics
The Runaway Girl: Soldiers in the Park "Oh, Listen to the Band"
The Golden Age of Light Music: From the Vintage Vaults
Band Music - Monckton, L. / Grainger, P. / Wood, A. (Bandstand)
The Quaker Girl, Act I: A Bad Boy and a Good Girl
Marilyn Hill Smith & Peter Morrison Sing Treasures of Operetta
Royal Military School Of Music Kneller Hall
The Golden Age of Light Music: Bandstand in the Park
The Geisha, Act I: No. 11, Song. Jack's the Boy (Fairfax/Chorus)
The Geisha, Act II: No. 2, Song. The Toy Monkey (Molly/Chorus)