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 0xa41e44af9219d0c3e96541e9d07e82350cc23c43aa7824d7979b04ea27582417. Chain 2 (Bitcoin): anchored in block 954603 (2026-06-20T21:47:54Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/c3c2110c-74e2-4868-ae15-07b6fcf190d3.json and https://artists.proofprofile.net/proofs/artist/c3c2110c-74e2-4868-ae15-07b6fcf190d3.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Violin Concerto in D Major, Op. 61: II. Larghetto (excerpts)
The Mozart Question: The Question I most often ask is always easy enough to answer
The Four Seasons, Concerto in G Minor, Op. 8 No. 2, RV 315 "Summer": The 4 Seasons: Violin Concerto in G Minor, Op. 8, No. 2, RV 315, "L'estate" (Summer): II. Adagio - Presto
The Mozart Question: J.S. Bach: Violin Sonata No. 1 in G Minor, BWV 1001: I. Adagio - I listen to the window
The Mozart Question: Mozart: Serenade No. 7 in D Major, K. 250, "Haffner": IV. Rondo (arr. F. Kreisler for violin) - As he play, others came and get around for a while
The Mozart Question: Whenever I cross the Accademia Bridge after that
The Mozart Question: Benjamin and I felt the exicitment and pleasure of my progress
Quatuor pour la fin du temps (Quartet for the End of Time): I. Liturgie de cristal (Crystal Liturgy)
The Mozart Question: The three of them were brought by train to the concentration camp
An der schonen, blauen Donau (The Beautiful Blue Danube), Waltz, Op. 314 (excerpts)
The Mozart Question: At first, they gave concert only for the SS officers
Serenade No. 13 in G Major, K. 525, "Eine kleine Nachtmusik": II. Romanze (excerpts)
The Mozart Question: Week after week they play
The Four Seasons, Concerto in F Minor, Op. 8 No. 4, RV 297 "Winter": The 4 Seasons: Violin Concerto in F Minor, Op. 8, No. 4, RV 297, "L'inverno" (Winter): I. Allegro non molto
The Mozart Question: When I finished, Benjaman said
Violin Concerto No. 4 in D Major, K. 218: I. Allegro
Introduction and Royal March of the Lion - Narration
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 0xd6fad0aa9f2c772a4096aba06ca0d5daee982c89d55822a861b12ff8a271dc55. 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/GBBBC2000188.
Wild Donkeys Swift Animals (or Make What You Like of That) - Narration
Pianists (or Who Sings Best in the Bath) - Narration
Fossils (or Doing the Brontosaurus) - Narration
Grandpa Christmas: To My Little Granddaughter Mia… - Narration
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd8350422dea6cbcffd8b60fbe8903178072ba6ab7bb9163ee473aaa3f570432f. 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/GBBBC2000219.
Grandpa Christmas: I Sat There Watching You... - Narration
Grandpa Christmas: Just to See You Digging There... - Narration
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdc79bb08727d2c26c138179e661cc704522ce96682ec24d87fc1e343c15bef8d. 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/GBBBC2000223.
Grandpa Christmas: If I Have Learnt One Thing... - Narration
Grandpa Christmas: I Wish for You a World Where the Elephant and the Lion... - Narration