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 0x732de06ccfc68271d90b73302f5470d50744cda88062b4245c3f07d72ab7a7a9. Chain 2 (Bitcoin): anchored in block 953896 (2026-06-16T06:05:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/0f9c12c8-713a-4d47-b2a0-83b987e3aee8.json and https://artists.proofprofile.net/proofs/artist/0f9c12c8-713a-4d47-b2a0-83b987e3aee8.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
リラックスできるMusicBox J-POPヒットソングシリーズ1
The comfortable music box which covered anime movie collection
ゆったりオルゴール アニメ映画名曲集
Hanamizuki (feat. Yo Hitoto) [Cover] [Music Box Cover]
MUSIC BOX Healing 癒しオルゴールJ-POP Hit Songs
Kawaikutegomen (feat. HoneyWorks & capi) [Music Box Cover]
可愛くてごめん (feat. HoneyWorks & かぴ) [オルゴールカバー]
A music box in a dreamland where you can sleep soundly
ぐっすり眠れる夢の国のオルゴール
いつも何度でも/千と千尋の神隠し（オルゴール）
風の通り道/となりのトトロ（オルゴール）
君はともだち/トイ・ストーリー（オルゴール）
ぐっすり眠れるゲーム音楽オルゴール
ドライフラワー (オルゴールカバー)
SHIIKURETTO BEESU KIMIGA KURETA MONO (Music Box Cover)
ひまわりの約束 (オルゴールカバー)
レット・イット・ゴー (オルゴールカバー)
A Dream Is A Wish Your Heart Makes (Music Box Cover)