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 0xc2858ce7a0b7529429a9ed5cf5dcb0ec6990503419f11591b9d82dbb7ec4131c. Chain 2 (Bitcoin): anchored in block 954124 (2026-06-17T18:22:18Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/7b8316d2-d803-4191-9e68-6641ae085ce7.json and https://artists.proofprofile.net/proofs/artist/7b8316d2-d803-4191-9e68-6641ae085ce7.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Trumpet Sonata No. 1 in F Major: 1. Allegro
Trumpet Sonata No. 1 in F Major: 2. Grave
Trumpet Sonata No. 1 in F Major: 3. Allegro
Ellens Gesabg, Op. 52 D. 839: 3. Ave Maria
Trumpet Concerto in B-Flat Major, Op. 7-3: 1. Allegro
Trumpet Concerto in B-Flat Major, Op. 7-3: 2. Adagio
Trumpet Concerto in B-Flat Major, Op. 7-3: 3. Allegro
Trois Prieres sans Paroles: 2. Andantino
Trois Prieres sans Paroles: 3. Allegretto
Opera ''Rnaldo'', HWV 7, Act 1: Lascia ch'io pianga
Opera ''Serse'', HWV. 40, Act 1: Largo Ombra mai fu
トランペット・ソナタ 第 1番 ヘ長調, 2. Grave
歌劇リナルド, HWV 7: 第 1幕 アリア ''涙の流れるままに''
歌劇セルセ, HWV. 40: 第 1幕 樹木の陰で ラルゴ ''オンブラ・マイ・フ''
The Promise of the World (From "Howl's Moving Castle")
The Path of Wind (From "My Neighbor Totoro")
Take Me Home, Country Roads (From "Whisper of the Heart")
The Distant Days (From "Nausicaä of the Valley of the Wind")
Flying Delivery Service (From "Kiki's Delivery Service")
Mei Is Missing (From "My Neighbor Totoro")
The Legend of Ashitaka (From "Princess Mononoke")
Arrietty's Song (From "The Secret World of Arrietty")
Carrying You (From "Laputa: Castle in the Sky")
Pazu's Fanfare (From "Laputa: Castle in the Sky")
アリエッティーズ・ソング(石川亮太編)
Trumpet Sonata in D Major, G. 1 (Arr. for Trumpet & Organ by Edward Tarr): I. Andante
Trumpet Sonata in D Major, G. 1 (Arr. for Trumpet & Organ by Edward Tarr): II. Allegro
Trumpet Sonata in D Major, G. 1 (Arr. for Trumpet & Organ by Edward Tarr): III. Grave
Trumpet Sonata in D Major, G. 1 (Arr. for Trumpet & Organ by Edward Tarr): IV. Allegro
Komm, heiliger Geist, Herre Gott, BuxWV 199 (Arr. for Trumpet & Organ by Mari Ohki & Tomonori Sato)
Nun komm, der Heiden Heiland, BuxWV 211 (Arr. for Trumpet & Organ by Mari Ohki & Tomonori Sato)
Violin Sonata in E Minor, Op. 5 No. 8 (Arr. for Trumpet & Organ by Bernard Fitzgerald): I. Prelude. Largo
Violin Sonata in E Minor, Op. 5 No. 8 (Arr. for Trumpet & Organ by Bernard Fitzgerald): II. Allemanda. Allegro
Violin Sonata in E Minor, Op. 5 No. 8 (Arr. for Trumpet & Organ by Bernard Fitzgerald): III. Sarabanda. Largo
Violin Sonata in E Minor, Op. 5 No. 8 (Arr. for Trumpet & Organ by Bernard Fitzgerald): IV. Giga. Allegro
Oboe Concerto in D Minor, S. Z799 (Arr. for Trumpet & Organ by Mari Ohki & Tomonori Sato): I. Andante
Oboe Concerto in D Minor, S. Z799 (Arr. for Trumpet & Organ by Mari Ohki & Tomonori Sato): II. Adagio
Oboe Concerto in D Minor, S. Z799 (Arr. for Trumpet & Organ by Mari Ohki & Tomonori Sato): III. Allegro
Nun komm, der Heiden Heiland, BWV 659 (Arr. for Trumpet & Organ by Mari Ohki & Tomonori Sato)
Ave Maria (Arr. for Trumpet & Organ by Pierre-Louis Dietsch)
Bist du bei mir (Arr. for Trumpet & Organ by Alain Brunet)
Ave verum corpus, K. 618 (Arr. for Trumpet & Organ by Matteo Tosi)
Ave Maria, CG 89a (After Bach's BWV 846) [Arr. for Trumpet & Organ by Mari Ohki & Tomonori Sato]
Ave Maria, Op. 145 (Arr. for Trumpet & Organ by Tatsuko Itoh)
Mass, Op. 12, FWV 61: V. Panis angelicus (Arr. for Trumpet & Organ by Mari Ohki & Tomonori Sato)