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 0xabcd7749046c772f6ff3cfd1a00ad793dcb2845204883a47cfe55f7b3f181c03. 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/732d493c-609c-4565-abea-fdfeb359ccea.json and https://artists.proofprofile.net/proofs/artist/732d493c-609c-4565-abea-fdfeb359ccea.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
パンドラとアクビ オリジナルサンドトラック
八月のシンデレラナイン オリジナルサウンドトラック
1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf36f623c46b41ad638684219b36ad5bb92c2e94f92419229227968d432a737db. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4ai14vqrn55TQUIsBz0U5A.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4ai14vqrn55TQUIsBz0U5A.
The Promised Neverland (Pf solo Version)
The Promised Neverland (Epf solo Version)
NHKよるドラ「いいね!光源氏くん」オリジナル・サウンドトラック
The Promised Neverland Main Theme (Battle Version)
「网络凶铃」オリジナル・サウンドトラック
「The Perilousa Internet Ring」Original Soundtrack
The Promised Neverland (Piano Themes Version)
Isabella's Lullaby - From "The Promised Neverland"
TVアニメ「ニンジャラ」オリジナル・サウンドトラック
TV animation「Ninjala」Original Soundtrack
TVアニメ「ニンジャラ」オリジナル・サウンドトラック (Vol.2)
TV animation「Ninjala」Original Soundtrack (Vol.2)
Theater「ROKUBANMENO SAYOKO」Original Soundtrack
舞台「六番目の小夜子」オリジナル サウンドトラック
TVアニメ「ぷにるんず」オリジナル・サウンドトラック
TV animation 「punirunes」Original Soundtrack
TV animation「Ninjala」Original Soundtrack (Vol.3)
TVアニメ「ニンジャラ」オリジナル・サウンドトラック (Vol.3)
TVアニメ「ニンジャラ」オリジナル・サウンドトラック (Vol.4)
TV animation「Ninjala」Original Soundtrack (Vol.4)
Kaikai Yokai Festival Main Theme - Full ver
Kaikai Yokai Festival Main Theme - Short Ver
TVアニメ「ニンジャラ」オリジナル・サウンドトラック (Vol.5)
The frightening Orochi, attack of Gumonk
TV animation「Ninjala」Original Soundtrack (Vol.5)
"How to Become Ordinary"ORIGINAL SOUNDTRACK
Shoshimin Series Main Theme - Instrumental Version
Shoshimin Series Main Theme - Major Version
Shoshimin Series Main Theme - Guitar Version
Tanmen while sobbing - Instrumental Version
Shoshimin Series Main Theme - pf Version
TVアニメ「小市民シリーズ」オリジナル・サウンドトラック
Rent-a-Rescue Original Soundtrack (Rental Kyuuseishu Original Soundtrack)