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 artist was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x57f283e25d44fdfffef5b26979ae5e4293603f967d860a96b81e38e0cce46468. Chain 2 (Bitcoin): anchored in block 953701 (2026-06-14T22:16:40Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/7726f754-76a0-479b-a949-6d37d3e52bfc.json and https://artists.proofprofile.net/proofs/artist/7726f754-76a0-479b-a949-6d37d3e52bfc.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
브람스 헝가리 무곡 5번 (J. Brahms - Hungarian Dance No.5)
쇼팽 에튜드 25-1 (F. Chopin - Étude Op.25, No.1)
멘델스죤 봄노래 (F. Mendelssohn - Lieder ohne Worte Op.62, No.6)
챠이코프스키 백조의 호수 (P. Tchaikovsky - Swan Lake)
쇼팽 빗방울 전주곡 (F. Chopin - Prelude Op.28, No.15)
슈베르트 모멘트 뮤직 3번 (F.Schubert - Moments musicaux Op.94, No.3)
쇼팽 강아지왈츠 (F. Chopin - Waltz Op.64, No.1)
드뷔시 아라베스크 1번 (Claude Debussy - Arabesque No.1)
쇼팽 녹턴 OP.9 No.2 (Chopin - Nocturn OP.9, No.2)
슈베르트 세레나데 (Schubert - Serenade Stänchen)
베토벤 월광 소나타 (Beethoven - Sonata Op.14 Moonlight 1st mov)
그리그 솔베이지의 노래 (Edvard Grieg - Solveig's Song)
멘델스존 노래의 날개위에 (Medelssohn - On Wings of Song Op.34-2)
드보르작 유모레스크 (Dvorak - Humoresque Op.101-7)
슈만 트로이 메라이 (Schumann - Träumerei Op.15, No.7)