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 0xbe676bfca283e1b6ac4db78db9e4a5999c7041acdffd4c10c08c7e1b72422735. Chain 2 (Bitcoin): anchored in block 953423 (2026-06-12T21:20:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/b080883c-40b3-48ac-ac10-c3d215bf7cf4.json and https://artists.proofprofile.net/proofs/artist/b080883c-40b3-48ac-ac10-c3d215bf7cf4.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
勝利の凱歌 -オリジナル・カラオケ-
Don’t worry, don't worry song by 石切丸・物吉貞宗
勝利の凱歌 (オリジナル・カラオケ)
勝利の凱歌 - オリジナル・カラオケ
Nameless Fighter song by にっかり青江・大倶利伽羅 -オリジナル・カラオケ-
ミュージカル『刀剣乱舞』 ～三百年の子守唄～(通常盤)
希望の源 song by 石切丸・蜻蛉切・物吉貞宗
かざぐるまⅠ song by 石切丸・千子村正・蜻蛉切・大倶利伽羅
Don't worry,don't worry song by 石切丸・物吉貞宗
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 0x42d94a89e813acf4cb235661b03bbc6a5b83d36db27219a979e7c56c4e0a6fe0. 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/4XiRZQmceXrjs0lbJ9mcxG.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/4XiRZQmceXrjs0lbJ9mcxG.
ミュージカル『刀剣乱舞』 ～三百年の子守唄～ (通常盤)
手が届くまで song by 石切丸･にっかり青江
手が届くまで - オリジナル･カラオケ
Kazenosakie song by Monoyoshisadamune･Ookurikara
Tegatodokumade song by Ishikirimaru･Nikkariaoe
Touken Ranbu:The Musical -Mihotose no Komoriuta- (Tsuujouban)
『Touken Ranbu』 -Mihotose no Komoriuta 2019-
Ruriiro no sora ichi song by Monoyoshi Sadamune
Kibou no minamoto song by Ishikirimaru･Tonbokiri･Monoyoshi Sadamune
Kibou no minamoto reprise song by Tonbokiri
Kazaguruma ichi song by Ishikirimaru･Sengo Muramasa･Tonbokiri･Ookurikara
Tegatodokumade song by Ishikirimaru･Nikkari Aoe
Kazenosakie song by Monoyoshi Sadamune･Ookurikara
Impulse song by Sengo Muramasa･Tonbokiri
Touken Ranbu:The Musical -Mihotose no Komoriuta- Tsuujouban
ミュージカル『刀剣乱舞』 ～三百年の子守唄2019～ (通常盤)
かざぐるまⅠ song by 石切丸･千子村正･蜻蛉切･大倶利伽羅