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 0xb3d479d7e5993b08cbb7c5ba54a1a018b3b2912a793d5ca012c6942d58e61224. Chain 2 (Bitcoin): anchored in block 954549 (2026-06-20T10:56:20Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/a9c19a80-8fc1-4f54-b9e7-31694adfb593.json and https://artists.proofprofile.net/proofs/artist/a9c19a80-8fc1-4f54-b9e7-31694adfb593.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Variations and Fugue on a theme by Handel, Op. 24: Air, Variations 1–6
Variations and Fugue on a theme by Handel, Op. 24: Variations 7–13
Variations and Fugue on a theme by Handel, Op. 24: Variations 14–19
Variations and Fugue on a theme by Handel, Op. 24: Variations 20–25
Variations and Fugue on a theme by Handel, Op. 24: Fugue
1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3c036f27cbe33a86708385489e02ce9768525dfbc4b0492a7221df807e64c79b. Chain 2 (Bitcoin): anchored in block 956826 (2026-07-05T19:27:56Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USA370686149.
Moment Musicale #3 In F Minor (Schubert)
Consolation No 3 In D Flat Major (Liszt)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc343a19db71a644a22d15b9ff446c791de64e24d5d5269c88ae4d9f858125b59. Chain 2 (Bitcoin): anchored in block 956826 (2026-07-05T19:27:56Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USA370686162.
Piano Music Of Chopin, Brahms & Prokofiev
Chopin Preludes: No. 1 in C Major (Agitato)
Chopin Preludes: No. 2 in A Minor (Lento)
Chopin Preludes: No. 3 in G Major (Vivace)
Chopin Preludes: No. 4 in E Minor (Largo)
Chopin Preludes: No. 5 in D Major(Allegro molto)
Chopin Preludes: No. 6 in B Minor (Lento assai)
Chopin Preludes: No. 7 in A Major (Andantino)
Chopin Preludes: No. 8 in F Sharp Minor (Molto agitato)
Chopin Preludes: No. 9 in E Major (Largo)
Chopin Preludes: No. 10 in C Sharp Minor (Allegro molto)
Chopin Preludes: No. 11 in B Major (Vivace)
Chopin Preludes: No. 12 in G Sharp Minor (Pesto)
Chopin Preludes: No. 13 in F Sharp Major (Lento)
Chopin Preludes: No. 14 in E Flat Minor (Allegro)
Chopin Preludes: No. 15 in D Flat Major (Sostenuto)
Chopin Preludes: No. 16 in B Flat Minor (Presto con fuoco)
Chopin Preludes: No. 17 in A Flat Major (Allegretto)
Chopin Preludes: No. 18 in F Minor (Allegro molto)
Chopin Preludes: No. 19 in E Flat Major (Vivace)
Chopin Preludes: No. 20 in C Minor (Largo)
Chopin Preludes: No. 21 in B Flat Major (Cantabile)
Chopin Preludes: No. 22 in G Minor (Molto agitato)
Chopin Preludes: No. 23 in F Major (Moderato)
Chopin Preludes: No. 24 in D Minor (Allegro appassionato)
Chopin: Prelude in C Sharp Minor, Op. 45 (Sostenuto)
Chopin: Prelude in A Flat Major, Op. Posth. (Presto con leggerezza)
Four Pieces Opus 119, Intermezzo in B Minor
Four Pieces Opus 119, Intermezzo in E Minor
Four Pieces Opus 119, Intermezzo in C Major
Four Pieces Opus 119, Rhapsody in E Flat
Three Pieces Opus 96, Waltz from "War and Peace"
Three Pieces Opus 96, Contradance (from "Lermontov")
Three Pieces Opus 96, Mephisto Waltz (from "Lermontov")
Three Preludes Allegro ben ritmo e deciso
Three Preludes Andante con moto e poco rubato
Le Moine Etourdi Et L'Oiseau (BMI) (Schifrin)
Sonata In D Major (Longo 641) (Scarlatt)
Prelude In B Minor (Opus 32, No. 10) (Rachmaninoff)
Love Theme—The Competition (BMI) (Schifrin)
Sonata In G Major (Longo 180) (Scarlatt)
Etude In D Sharp Minor (Opus 8, No. 12) (Scriabin)
Concert Etude No. 3 In D Flat Major "Un Sospiro" (1857) (Liszt)
Etude In C Sharp Minor (Opus 10, No. 4) (Chopin)
Etude In G Flat Major (Opus 10, No. 5) "Black Key" (Chopin)
Capriccio In F Sharp Minor (Opus 76, No. 1) (Brahms)
Meledy Swanee - That Certain Feeling - Fascinatin' Rhythm - Soon - They All Laughed - Embracebable You - Theme From Rhapsody In Blue - Love Walked In - I Got Rhythm
Lincoln Mayorga And Distinguished Colleagues
Oh Lord, I'm On My Way (from "Porgy And Bess")
Le Grand Medely: The Umbrellas Of Cherbourg: Madeleine Theme, Waterfront - Sur La Quai, Elise Theme
I Never Loved A Woman The Way That I Love You
Shall we Dance: Let's call the whole thing off (arr. L. Mayorga)
Treasure Girl: I've got a crush on you (arr. L. Mayorga)
Girl Crazy, Act I: But Not for Me (arr. L. Mayorga)
Ladies First: The Real American Folk Song (arr. L. Mayorga)
Delicious: Blah, blah, blah (arr. L. Mayorga)
Let 'em Eat Cake: Blue, Blue, Blue (arr. L. Mayorga)
Funny Face: The Babbitt and the Bromide (arr. L. Mayorga)
A Damsel in Distress: Nice work if you can get it (arr. L. Mayorga)
Oh, Kay!: Someone to Watch Over Me (arr. L. Mayorga)
Porgy and Bess, Act I: Summertime (arr. L. Mayorga)
The Show is On: By Strauss (arr. L. Mayorga)
Girl Crazy (arr. L. Mayorga): Act I: Embraceable You
Girl Crazy (arr. L. Mayorga): Act I: I Got Rhythm
Strike up the Band: Soon - Oh, Kay!: Maybe - Tip-Toes: Looking for a Boy (arr. L. Mayorga)
Of Thee I Sing: Of Thee I Sing (arr. L. Mayorga)
Strike up the Band: The Man I Love (arr. L. Mayorga)
Music in the Air: The song is you (arr. L. Mayorga)
Roberta: Act II: Lovely to Look At - Swing Time: The Way You Look Tonight (arr. L. Mayorga)
Show Boat: You Are Love (arr. L. Mayorga)
Can't Help Singing: Californ-I-Ay (arr. L. Mayorga)
I Dream too much: I Dream too much (arr. L. Mayorga)
High, Wide and Handsome: The Folks who Live on the Hill (arr. L. Mayorga)
Roberta: Smoke Gets In Your Eyes (arr. L. Mayorga)
Very Warm for May: All the Things You Are (arr. L. Mayorga)
Miss 1917: Go, Little Boat (arr. L. Mayorga)
The Red Petticoat: The Ragtime Restaurant (arr. L. Mayorga)
I'll Follow Your Smile (arr. L. Mayorga)
Cover Girl: Long Ago and Far Away (arr. L. Mayorga)
High, Wide and Handsome: Can I forget you (arr. L. Mayorga)
The Girl from Utah: They Didn't Believe Me (arr. L. Mayorga)
Bagatelle No. 25 in A Minor, WoO 59 - "Für Elise"
New Year's Resolution 2014: Learn About Classical Music with 50 Songs by Beethoven, Bach, Mozart, Tchaikovsky & More
Violin Sonatina in G Major, Op. 100, B. 183: I. Allegro risoluto
Dvorak: Symphony No. 9 / Violin Sonatina / Humoresque / Fanfare / Burleigh: Deep River
Violin Sonatina in G Major, Op. 100, B. 183: II. Larghetto
Violin Sonatina in G Major, Op. 100, B. 183: III. Scherzo. Molto vivace
Violin Sonatina in G Major, Op. 100, B. 183: IV. Finale. Allegro
8 Humoresques, Op. 101: No. 7 in G-Flat Major (Arr. F. Kreisler)
Bluefields, a West Hollywood Rumba for Arnold
Let's Call the Whole Thing Off (From "Shall We Dance")
I've Got a Crush On You (From "Treasure Girl")
The Real American Folk Song (From "Ladies First")
Blue, Blue, Blue (From "Let 'Em Eat Cake")
The Babbitt and the Bromide (From "Funny Face")
Nice Work If You Can Get It (From "A Damsel in Distress")
Someone to Watch Over Me (From "Oh, Kay!")