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 0xce69b7cb19422dcf48dc7d8b30b6f17102eba9dcaf2972ca046242485a6ec124. Chain 2 (Bitcoin): anchored in block 954066 (2026-06-17T08:11:48Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/59f330bd-84de-40b7-b533-0d41b2241e29.json and https://artists.proofprofile.net/proofs/artist/59f330bd-84de-40b7-b533-0d41b2241e29.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Georg Philipp Telemann: Cantatas & Trio Sonatas
Du bist verflucht, o Schreckensstimme in A Minor, TWV 1:385: Aria Du bist verflucht! O Schreckensstimme!
Du bist verflucht, o Schreckensstimme in A Minor, TWV 1:385: Recitativo So ist’s: seitdem bei Edens Baum des ersten Menschen erste
Du bist verflucht, o Schreckensstimme in A Minor, TWV 1:385: Aria Frohlocket ihr seligen Kinder der Freien!
Trio Sonata in A Minor, TWV 42:a1: I. Affettuoso
Trio Sonata in A Minor, TWV 42:a1: II. Vivace
Trio Sonata in A Minor, TWV 42:a1: III. Grave
Trio Sonata in A Minor, TWV 42:a1: IV. Menuet
Auf ehernen Mauern in G Minor, TWV 1:96: Aria Auf ehernen Mauern, auf marmornen Gruenden
Auf ehernen Mauern in G Minor, TWV 1:96: Recitativo So lange noch der Unbestand den Schuechternen
Auf ehernen Mauern in G Minor, TWV 1:96: Aria Ja, ja, wiederholt nur eure Tuecke
Trio Sonata in A Minor, TWV 42:a4: I. Soave ma non adagio
Trio Sonata in A Minor, TWV 42:a4: II. Vivace
Trio Sonata in A Minor, TWV 42:a4: III. Largo
Trio Sonata in A Minor, TWV 42:a4: IV. Allegro
Seele, lerne dich erkennen in G Major, TWV 1:1258: Aria Seele, lerne dich erkennen!
Seele, lerne dich erkennen in G Major, TWV 1:1258: Recitativo Ein Voegelchen, dem noch die Glieder zu zart und weich
Seele, lerne dich erkennen in G Major, TWV 1:1258: Aria So will ich dich mit Freuden kuessen
Trio Sonata in F Major, TWV 42:F8: I. Andante
Trio Sonata in F Major, TWV 42:F8: II. Allegro
Trio Sonata in F Major, TWV 42:F8: III. Largo
Trio Sonata in F Major, TWV 42:F8: IV. Allegro
Francesco Antonio Vallotti: Antifone Mariane (For Soprano, Strings and Basso Continuo - World Premiere Recordings)
Alma Redemptoris Mater in B-Flat Major: I. Tempo giusto
Alma Redemptoris Mater in B-Flat Major: II. Spedito
Alma Redemptoris Mater in B-Flat Major: III. Larghetto
Alma Redemptoris Mater in G Major: I. Spiritoso
Alma Redemptoris Mater in G Major: II. Allegro
Alma Redemptoris Mater in G Major: III. Larghetto
Ave Regina Caelorum in D Major: I. Moderato
Ave Regina Caelorum in D Major: II. Allegro non presto
Ave Regina Caelorum in D Major: III. Largo e sostenuto
Ave Regina Caelorum in F Major: I. Andante
Ave Regina Caelorum in F Major: II. Allegro
Ave Regina Caelorum in F Major: III. Sostenuto
Salve Regina in B-Flat Major: II. Allegro
Salve Regina in B-Flat Major: III. Larghetto
Salve Regina in G Major: I. Vivace e spiccato
Salve Regina in G Major: III. Allegro assai
Domenico Scarlatti: Sonatas and Cantata (For Recorder and Soprano)
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 0x311d6fbc0afa187807a00b93452f2a05bcb3cfeb27a42160c4140355d78dfbe7. 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/ITLF51903993.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe63cd8c1b7b9adfd4cdbc19f7f20c3d6edb87ccc93c7c088dedbdd57c2b0d02f. 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/ITLF51903995.
Sonata in D Minor, K. 77: I. Moderato e cantabile
Pur nel sonno almen talora in C Minor: Introduzione
Pur nel sonno almen talora in C Minor: Minuetto
Pur nel sonno almen talora in C Minor: Aria "Pur nel sonno almen tal'ora vien colei"
Pur nel sonno almen talora in C Minor: Recitativo "Pria dell'aurora o fille, io sognando ti vidi"
Pur nel sonno almen talora in C Minor: Aria " Partì con l'ombra è ver, l'inganno et il piacer"
George Frideric Handel: Complete Recorder Sonatas
Recorder Sonata in F Major, Op. 1 No. 11, HWV 369: I. Larghetto
Recorder Sonata in F Major, Op. 1 No. 11, HWV 369: II. Allegro
Recorder Sonata in F Major, Op. 1 No. 11, HWV 369: III. Alla siciliana
Recorder Sonata in F Major, Op. 1 No. 11, HWV 369: IV. Allegro
Recorder Sonata in C Major, Op. 1 No. 7, HWV 365: I. Larghetto
Recorder Sonata in C Major, Op. 1 No. 7, HWV 365: II. Allegro
Recorder Sonata in C Major, Op. 1 No. 7, HWV 365: III. Larghetto
Recorder Sonata in C Major, Op. 1 No. 7, HWV 365: IV. A tempo di gavotta
Recorder Sonata in C Major, Op. 1 No. 7, HWV 365: V. Allegro
Recorder Sonata in D Minor, HWV 367a: I. Largo
Recorder Sonata in D Minor, HWV 367a: II. Vivace
Recorder Sonata in D Minor, HWV 367a: III. Furioso
Recorder Sonata in D Minor, HWV 367a: IV. Adagio
Recorder Sonata in D Minor, HWV 367a: V. Alla breve
Recorder Sonata in D Minor, HWV 367a: VI. Andante
Recorder Sonata in D Minor, HWV 367a: VII. A tempo di minuetto
Recorder Sonata in G Minor, Op. 1 No. 2, HWV 360: I. Larghetto
Recorder Sonata in G Minor, Op. 1 No. 2, HWV 360: II. Andante
Recorder Sonata in G Minor, Op. 1 No. 2, HWV 360: III. Adagio
Recorder Sonata in G Minor, Op. 1 No. 2, HWV 360: IV. Presto
Recorder Sonata in A Minor, Op. 1 No. 4, HWV 362: I. Larghetto
Recorder Sonata in A Minor, Op. 1 No. 4, HWV 362: II. Allegro
Recorder Sonata in A Minor, Op. 1 No. 4, HWV 362: III. Adagio
Recorder Sonata in A Minor, Op. 1 No. 4, HWV 362: IV. Allegro
Recorder Sonata in B-Flat Major, HWV 377: I. Corrente
Recorder Sonata in B-Flat Major, HWV 377: II. Adagio
Recorder Sonata in B-Flat Major, HWV 377: III. Allegro