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 0x9169a500670e750111d6eb63e01d81702156d03cecbbd11a1f11ac05bac31a46. 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/5f85ba49-f6ec-496b-91a5-4001aba6d5fa.json and https://artists.proofprofile.net/proofs/artist/5f85ba49-f6ec-496b-91a5-4001aba6d5fa.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
エレガントな癒しのピアノBGM 〜リラクゼーションサロンで〜
Elegant Healing Piano - In a Relaxation Salon
Water Reflecting the Night Sky - Piano Music
BGM for Relaxing in a Night Cafe - Soothing and Healing Jazz
夜カフェでのんびりくつろげるBGM 〜心落ち着く癒しのジャズ〜
仕事がはかどるニューエイジピアノ
プライベートスパサロンで流れるピアノ
Piano Background Music to Help You Concentrate Naturally
部屋にこもって勉強するときのピアノBGM
Piano BGM When You Stay in Your Room to Study
Self-Healing BGM To Regulate Your Mind And Body
心身を整えるためのセルフヒーリングBGM
睡眠ピアノ～心身が整う癒しのメロディ～
Sleep Piano - Healing Melody To Regulate Body And Mind
Sleep-Inducing BGM That Envelops You In A Sense Of Well-Being
なかなか眠れないあなたに贈る快眠ピアノ
Soothing Piano BGM for Calming the Mind and Promoting Sleep
心を落ち着かせて安眠に導くピアノBGM
私だけの夜時間～どっぷり浸りたい時に聴くJAZZ
My Own Night Time - Jazz Music to Listen to When You Want to Immerse Yourself
Surrounded by the Peaceful Atmosphere of a Coffee House
Rise and Shine: Crisp Morning Piano Melodies
目覚めが勝負★早朝すっきりピアノ
Exquisite Piano for Those Seeking Deeper Sleep
より深い眠りを求めるあなたへおくる極上ピアノ
Dream World that Soothes the Heart and Body
リラックスしたいときに聴くジャズピアノ
Peaceful Naptime - Lullaby Piano for Babies
Lullaby Piano for a Baby That Struggles to Sleep
なかなか眠れない赤ちゃんのためのララバイピアノ
ぐっすり眠る赤ちゃんに聞かせたいグッドメロディ
Good Melodies for Babies to Sleep Soundly
Healing Piano to Foster the Bond Between Mom and Baby
ママと赤ちゃんの絆を育む癒しのピアノ
育児中のママ＆パパのためのリラックスピアノ
Relaxing Piano for Parenting Moms & Dads
Music Under the Moonlight for Sleepless Nights
眠れぬ夜は月明かりの下で音楽を
睡眠の森：ピアノがもたらす自然な眠り
すやすや眠る赤ちゃん用メロディ集
Lullaby Collection for Soundly Sleeping Babies
赤ちゃんの幸せな睡眠をサポート
おとぎの国のメロディ 〜赤ちゃんの眠りのために〜
ほっこりピアノで赤ちゃんを快眠へ導く
やさしいピアノで赤ちゃんのおやすみを
スロウなピアノを聴きながら自分と向き合う
Slow Piano Reflections for Quiet Moments