270px|Logo of TEAM NACS|thumb is a Japanese theatrical and musical unit that was formed in 1996 by Hiroyuki Morisaki, Ken Yasuda, Shigeyuki Totsugi, Yo Oizumi, and Takuma Otoo. It is often called . P
1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 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 0x6d901d9ed363d20b79a32eaa7785013da34c51f21d18cd4d6d27e4aba8ced1ce. 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/5a6c6273-b3e6-49ac-9416-a2478b9229db.json and https://artists.proofprofile.net/proofs/artist/5a6c6273-b3e6-49ac-9416-a2478b9229db.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
HONOR Mamoritsuduketa Itami To Tomoni ORIGINAL SOUND TRACK
Shimoaraikyodai No Spring Has Come ORIGINAL SOUND TRACK
WARRIOR ～唄い続ける侍ロマン サウンドトラック
WARRIOR Utaitsuzukeru Samurai Roman SOUNDTRACK
COMPOSER - Hibiki Tsuzukeru Senritsu No Shirabe ORIGINAL SOUND TRACK
COMPOSER〜響き続ける旋律の調べ ORIGINAL SOUND TRACK
PARAMUSHIR Shinjitsuzuketa Shikon No Hata Wo Kakagete SOUNDTRACK