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 0x09d8d6a8b06b3778a1fd06e4657a2cd1254611eb1a29fb1ccec091a12d7beedd. Chain 2 (Bitcoin): anchored in block 954513 (2026-06-20T06:31:18Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/9f52f562-c562-40d6-a8f7-4632a7748c95.json and https://artists.proofprofile.net/proofs/artist/9f52f562-c562-40d6-a8f7-4632a7748c95.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Scenes from Childhood, Op. 15: VII. Träumerei (Dreaming)
Carnival of the Animals, R. 125: XIII. The Swan
2 Dialogues with Postscript (Version for Piano & String Orchestra): No. 3, Morning Serenade
Sonnet No. 1 in A Major, JW VII/1 (Arr. R. Gjelsten for String Quartet)
The Rain Outside the Window: The Rain Outside the Window
5 Lieder, Op. 49: No. 4, Wiegenlied (Arr. K.H. Schütz for Flute & Piano)
Goldberg Variations, BWV 988 (Arr. for 10-String Guitar Duo): Aria
Ave Maria "Tanti anni prima" (Arr. V. Coves & K. Seo for Flute & Guitar)
8 Memories in Watercolor (2002 Version): No. 7, Floating Clouds
The Old New York Nostalgia: IV. Lullaby for the Twins (2002 orchestral Version)
Cuentos de la Juventud, Op. 1, H. 39 (Arr. for Guitar by Johan Smith): No. 6, Lento con ternura
Prelude in A Minor, Op. 8, VL 188 (Arr. J. Daunytė for Harp)
3 Lyrics: No. 1, Heart's Ease: Andante tranquillo – Lento
Greeting Cards, Op. 170: XIV. Ninna Nanna, a Lullaby for Eugene
Cantos y bailes tradicionales vascos (Traditional Basque Songs and Dances) [Santesteban Collection]: No. 7, Nere maite polita [My Fair Love]
Moments of Poetry and Music: No. 2, Melody, Post scriptum
Spirituals for String Choir & Orchestra: II. Sermon
5 Stücke im Volkston, Op. 102: No. 2, Langsam
Violin Sonata in A Minor, Op. 27 No. 2: II. Malinconia
Cello Suite No. 4 in E-Flat Major, BWV 1010 (Arr. J. McFadden for Guitar): IV. Sarabande
Suite bergamasque, L. 75: III. Clair de lune (Featured in "Man on Fire")
Thais: Méditation (Version for Violin & Piano)
Consolations, S. 172 "6 Pensées poétiques": No. 3, Lento placido
K'eler, tsoler (Arr. for Violin & Piano by Karp Dombaev): K'eler, tsoler (Arr. for Violin & Piano by Karp Dombaev)
Suite en miniature, Op. 1 (Version for Orchestra): II. Pastorale
University of Michigan Symphony Orchestra
4 Anniversaries: No. 1, For Felicia Montealegre
Etruscan Preludes: IV. Un poco lento e sostenuto
Children's Corner, L. 113 (Arr. for Guitar by Johan Smith): V. The Little Shepherd
Spiegel im Spiegel (Version for Violin and Piano)
Beethoven: Symphony No. 9 in D Minor, Op. 125 "Choral"
Symphony No. 9 in D Minor, Op. 125 "Choral": I. Allegro ma non troppo, un poco maestoso
Symphony No. 9 in D Minor, Op. 125 "Choral": II. Molto vivace
Symphony No. 9 in D Minor, Op. 125 "Choral": III. Adagio molto e cantabile - Andante moderato
Symphony No. 9 in D Minor, Op. 125 "Choral": IV. Finale: Presto - Allegro assai
Symphony No. 9 in E Minor, Op. 95, B. 178 "From the New World": I. Adagio - Allegro molto
Symphony No. 9 in E Minor, Op. 95, B. 178 "From the New World": II. Largo
Symphony No. 9 in E Minor, Op. 95, B. 178 "From the New World": III. Molto vivace
Symphony No. 9 in E Minor, Op. 95, B. 178 "From the New World": IV. Allegro con fuoco
Slavonic Dances, Series 2, Op. 72, B. 147: No. 2 in E Minor
Beethoven: Symphony No. 6 in F Major, Op. 68 "Pastoral" & Egmont Overture, Op. 84
Symphony No. 6 in F Major, Op. 68 "Pastoral": I. Awakening of Cheerful Feelings upon Arrival in the Country. Allegro ma non troppo
Symphony No. 6 in F Major, Op. 68 "Pastoral": II. Scene by the Brook. Andante molto mosso
Symphony No. 6 in F Major, Op. 68 "Pastoral": III. Merry Gathering of Country Folk. Allegro
Symphony No. 6 in F Major, Op. 68 "Pastoral": IV. Thunderstorm. Allegro
Symphony No. 6 in F Major, Op. 68 "Pastoral": V. Shepherd's Song. Happy and Thankful Feelings After the Storm. Allegretto
Beethoven: Symphony No. 5 in C Minor, Op. 67 - Schubert: Symphony No. 8 in B Minor, D. 759 "Unfinished"
Symphony No. 5 in C Minor, Op. 67: I. Allegro con brio
Symphony No. 5 in C Minor, Op. 67: II. Andante con moto
Symphony No. 5 in C Minor, Op. 67: III. Allegro
Symphony No. 5 in C Minor, Op. 67: IV. Allegro
Symphony No. 8 in B Minor, D. 759 "Unfinished": I. Allegro moderato
Symphony No. 8 in B Minor, D. 759 "Unfinished": II. Andante con moto
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 0xee95cb6144f5ac1c056a8a7fb7412b1544ecc377eaea5981b8662306e6ebadcb. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/HKI190190402.
Kojo no tsuki (Moon at a desolate castle) [version for flute]: Koojo No Tsuki
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x04afd875fb53ed56271d52a4aad21942df6ff96a6b64ec9c2a6834a71c045c80. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), 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/HKI190190405.
Kono Michi (Arr. Hajime Fukagawa for viola and piano)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x37995add3e1bb3eb6d6099843c78264e9438f5284dbddbe5d376ba67f731e11b. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/HKI190190407.
Chugoku-chiho no komoriuta: Chuugokuchiho No Komoriuta (Lullaby from the Chugoku District)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x64a7fee3c0a7103e2f3774fa7b71b3a7d705fc39622e3974a9fc83f4a8db48fe. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), 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/HKI190190411.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xefa339e686c52be7d60d18982bb91c5292a06b55bd03676201b31dae75a164d1. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/HKI190190412.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc287ed6871381ca8a5d6128891ddc703aea1988cd83b15e5d8158a85901c5d62. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/HKI190190417.
Kaya no kiyama no (On the Hill of the Kaya Trees): Kayanokiyamano
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa28cb4ef03253a433c4ae090269e52fd66ce94e27669e162d09b3d5bcf865b02. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/HKI190190419.
Awatedokoya: Awatetokoya (the Confused Barber)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x82d3a14bd5419ab74630d02b1f5955107fa5ed40be2f37066b6d23b88a303639. Chain 2 (Bitcoin): anchored in block 956856 (2026-07-06T01:25:57Z), 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/HKI190040001.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x172158f510d9c388814d27e48f14969be39f558226bbbd12a088360161440270. Chain 2 (Bitcoin): anchored in block 957041 (2026-07-07T13:25:45Z), 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/HKI190040002.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x488391735cafa6bfff3c1ad780130d3ba1bf01e2616d9e7a5a902c2c7ac6a9c7. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/HKI190040003.
Threnody to Toki for String Orchestra and Piano, Op. 12