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 0x37cfa75735cf79eab22aca225e73b2ff336e7ed591d6b002c187a0fc3be56197. Chain 2 (Bitcoin): anchored in block 953408 (2026-06-12T19:28:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/08b1a08b-7cda-433f-a77e-e737d64af4db.json and https://artists.proofprofile.net/proofs/artist/08b1a08b-7cda-433f-a77e-e737d64af4db.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Twinkle Twinkle Little Star - Grand Piano Version
Twinkle Twinkle Little Star - Acoustic Guitar Verson
Twinkle Twinkle Little Star - Harp Version
Twinkle Twinkle Little Star - Pan Flute Version
Twinkle Twinkle Little Star - Electric Piano Version
Ring Around the Rosie (Pocket Full of Posies)
Discover French Nursery Rhymes Sung in English
Autumn Concerto #3 in F Major: Allegro / Adagio Molto / Allegro
Symphony No. 38 in D Major, K 504: I. Adagio - Allegro
Spring Concerto #1 in E Major: Allegro / Largo / Allegro
Sonata No. 11 in a Major, Kv 331: Turkish March
Sonatina No. 6 in D Major, Op. 36: II. Rondo Allegretto
Playtime: Here We Go Round the Mulberry Bush / Pat a Cake / One, Two, Buckle My Shoe / Itsy Bitsy Spider / This Little Piggy
Hey Diddle Diddle the Cat and the Fiddle
She'll Be Coming Around the Mountain (When She Comes)