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 0x698fa3b22c353bf568ec575595c1c019819ed2250922ab4bb179f0b5905ab269. Chain 2 (Bitcoin): anchored in block 953407 (2026-06-12T19:24:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/c7c6c5ec-ebea-406a-b2bd-acb683b5cdf8.json and https://artists.proofprofile.net/proofs/artist/c7c6c5ec-ebea-406a-b2bd-acb683b5cdf8.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Akaza, Upper Moon Three vs Gyutaro, Upper Moon Six
Demon Slayer: Entertainment District Arc (Piano Collective)
Hinokami Kagura, Sun Halo Dragon Head Dance
Mitsuri Demon Slayer Mark, Light of Hope
Thunder and Sun Breathing, Tanjiro Theme
Avid (from 86 EIGHTY-SIX) [Orchestral Version]
Avid (from 86 EIGHTY-SIX) - Orchestral Version
Arcane S2 - What Have They Done to Us X To Ashes and Blood (Orchestral Cover)
Arcane S2 - What Have They Done to Us X To Ashes and Blood - Orchestral Cover
I believe in a thing called Escapes - Piano ver.
Sin Archbishop of Greed - Regulus Corneas
Timeless X Malevolent Shrine (Guitar Remix)
Timeless X Malevolent Shrine - Guitar Remix
I Really Want to Stay at Your House ft. Rinzie Ronzie
I Really Want to Stay at Your House - Instrumental
Akaza vs Giyu Theme (Demon Slayer Infinity Castle Version)
Akaza VS Giyu Tomioka, Tanjiro Kamado (from Demon Slayer Infinity Castle Movie)
Akaza VS Giyu Tomioka, Tanjiro Kamado - (from Demon Slayer Infinity Castle Movie)
Douma VS Shinobu (from Demon Slayer Infinity Castle Movie)
Demon Slayer Infinity Castle Movie Collective
Zenitsu VS Kaigaku (from Demon Slayer Infinity Castle Movie)
Tanjiro vs Akaza (from Demon Slayer Infinity Castle Movie)
Akaza's Requiem (from Demon Slayer Infinity Castle Movie)
Kokushibo's Wrath (from Demon Slayer Infinity Castle Movie)
Upper Moon Symphony - Kokushibo, Douma, Akaza Themes
Giyu Tomioka Demon Slayer Mark (from Demon Slayer Infinity Castle Movie)
Transparent World (from Demon Slayer Infinity Castle Movie)
Where Have You Been - (Orchestral Remix)
Where Have You Been (Orchestral) [Instrumental]
Where Have You Been (Orchestral) - Instrumental
Katsuki Bakugo VS All For One (from My Hero Academia Final Season)