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 0xbe34a9699e1600e15509825274f3e0e8757e705f4b03cc9568adc8ee03d7490d. 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/e69328b3-3ed3-4a1f-abfd-3cc7cffb859c.json and https://artists.proofprofile.net/proofs/artist/e69328b3-3ed3-4a1f-abfd-3cc7cffb859c.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Edea's Theme "Baby Bird" (Bravely Default)
Lavender Town Distorted Ocarina Trio (Remaster)
believe - Fate/stay night Unlimited Blade Works ED
OVERLAPPERS - Inou Battle Within Everyday Life OP
Catch Me Catch You - Cardcaptor Sakura OP
Extra Magic Hour - Amagi Brilliant Park OP
Rakuen no Tsubasa - Grisaia no Kajitsu OP
Glasslip OP - Natsu no Hi to Kimi no Koe
the last day of my adolescence - Hanamonogatari OP
Netsujou no Spectrum - Nanatsu no Taizai OP
Beautiful Cruel World - Attack on Titan ED 1
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 0x056e4fb7ea2df0ca970338201602835f99298ff5398abaf46e0680fe8d8cea80. 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/2LNUe3UT4EcugBuWWp6773.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/2LNUe3UT4EcugBuWWp6773.
Moonbow - Bishoujo Senshi Sailor Moon Crystal
Hikaru nara - Shigatsu wa Kimi no Uso OP
Crossing Field (from "Sword Art Online")
killy killy JOKER (from "Selector Infected WIXOSS")
Miiro (from "KanColle: Kantai Collection")
Fubuki (from "Kancolle: Kantai Collection")
Kisetsu wa Tsugitsugi Shindeiku (from "Tokyo Ghoul")
Hacking to the Gate (from "Steins;Gate")
Hey World (from "DanMachi: Is It Wrong to Try to Pick Up Girls in a Dungeon?")
Miraikei Answer (from "Ore Monogatari!!: MY love STORY")
Monochrome no Kiss (from "Kuroshitsuji: Black Butler")
GATE ~Sore wa Akatsuki no you ni~ (from "GATE")
Connect (from "Puella Magi Madoka Magica")
Connect [Instrumental] (from "Puella Magi Madoka Magica")
Magia (from "Puella Magi Madoka Magica")
Magia [Instrumental] (from "Puella Magi Madoka Magica")
Daze [Instrumental] (from "Mekakucity Actors")
Outer Science (Kagerou Project || Mekakucity Actors)
Rally Go Round [Instrumental] (from "Nisekoi")
Rising Rainbow (from "Food Wars: Shokugeki no Soma")
Enemy Approaching! - UNDERTALE Normal Battle Music
Brand-New World (from "Gakusen Toshi Asterisk: The Asterisk Wars")
Hastune Miku - Cendrillon (Instrumental)
Hastune Miku - Cendrillon - Instrumental
Zenryoku Batankyuu (from "Osomatsu-san")
Kibou no Uta (from "Shokugeki no Soma: FOOD WARS!")
Crazy Noisy Bizarre Town (From "Jojo's Bizarre Adventure: Diamond Is Unbreakable")
Gyakuten Winner (from "Gyakuten Saiban: Ace Attorney")
Redo (feat. Hatsune Miku) [From "Re:ZERO: Starting Life in Another World"]
Aozora Jumping Heart (From "Love Live! Sunshine!!")
Jinsei wa Subarashii (from "Gyakuten Saiban: Ace Attorney")
Chase (From "Jojo's Bizarre Adventure: Diamond Is Unbreakable")
Friend Shitai (from "Gakkou Gurashi: SCHOOL-LIVE!")
Sekai Wo Tsunagatteiru Kizuna - Instrumental
Hanamaru Biyori (From "Touken Ranbu: Hanamaru") [Instrumental]
Dream X Scramble! (From "Keijo!!!!!!!!")
Great Days (From "Jojo's Bizarre Adventure: Diamond Is Unbreakable")
Genkai Toppa x Survivor (from "Dragon Ball Z Super")
Sore wa Bokutachi no Kiseki (From "Love Live! School Idol Project")
Aozora no Rhapsody (From "Kobayashi-san Chi no Maid Dragon")
Peace Sign (from "My Hero Academia Season 2")
Shinzou wo Sasageyo! (From "Attack on Titan Season 2")
Shiny Ray (From "Little Witch Academia")
Sora ni Utaeba (From "My Hero Academia Season 2")
Zen Zen Zense (From "Your Name. - Kimi no Na wa.")
Datte Atashi no Hero (From "My Hero Academia Season 2")
Eiyuu Unmei no Uta (From "Fate/Apocrypha")
COLORS (From "Code Geass: Lelouch of the Rebellion")
White (From "Clean Freak! Aoyama Kun") [Instrumental]
Sayonara Moon Town (From "Boruto: Naruto Next Generations")
Over (From "Boruto: Naruto Next Generations")
Hello! My World!! (From "Knight's & Magic")
Here (from "Mahoutsukai no Yome: The Ancient Magus' Bride)
Howling (From "Nanatsu no Taizai: The Seven Deadly Sins")
Braver (From "Food Wars: Shokugeki no Soma")
Clear (From "Cardcaptor Sakura: Clear Card")
Katte ni My Soul (From "Gintama: Shirogane no Tamashii-hen")
Ryuusei (From "Sword Art Online Alternative: Gun Gale Online")
It's All in the Game (From "Boruto: Naruto Next Generations")
Make Debut! (From "Uma Musume: Pretty Derby")
Symbol - Acoustic Ver. (From "Shokugeki no Soma: Food Wars! The Third Plate")
Update (From "My Hero Academia Season 3")
Noisy Love Power (From "Mahou Shoujo Ore")
I Wanna Be... (From "Gintama: Shirogane no Tamashii-Hen)
DeCIDE (From "How Not to Summon a Demon Lord")
Rocket Beat (From "Cardcaptor Sakura: Clear Card")
Red Swan (From "Attack on Titan Season 3")
Make My Story (From: "My Hero Academia Season 3")
Heading to Over (From "Free! -Dive to the Future-")
360° Hoshi no Orchestra (From "Shichisei no Subaru: Seven Senses of the Re'Union")
Vital (From "Satsuriku no Tenshi: Angels of Death")
Lonely Go! (From "Boruto: Naruto Next Generations")
Butter-Fly Acoustic Ver. (from "Digimon Adventure")
ROAR (from "Toaru Majutsu no Index III")
RISE (from "The Rising of the Shield Hero")
RESISTER (from "Sword Art Online: Alicization")
Break the Blue!! (From "Girly Air Force")
Atria (From "Shokugeki no Soma: Food Wars! The Third Plate")
Iris (from "Sword Art Online: Alicization")
Kawaki wo Ameku (From "Domestic na Kanojo")
FAITH (from "The Rising of the Shield Hero")
NO-LIMIT (From "Fairy Tail Final Series")
Star Marker (From "My Hero Academia Season 4")
Hero too (From "My Hero Academia Season 4")
DADDY! DADDY! DO! (From "Kaguya-sama: Love is War")
ADAMAS (From "Sword Art Online: Alicization")
Mikakunin Hikousen (From "Digimon Adventure:")
SPARK-AGAIN (From "Fire Force Season 2")
ANIMA (From "Sword Art Online: Alicization - War of Underworld Part 2")
Hajimete no Chuu [GEKISHIBU] (From "Kiteretsu Daihyakka")
Warrior of Love! Set Your Fighting Spirit Ablaze!!
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2dd27f673b27250bcb1ccb00101d6a9b8f6e37fe99b9a232b3a7d41c38b8548f. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6WxvtDuGAhzmoWLZWv147L.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/6WxvtDuGAhzmoWLZWv147L.
Ever Grande City (Pokemon Ruby/Sapphire)
{"copyright_id":"0x2764cd9d625fa800df6f817133c75db3ad20363d915ca4a5e25883f5f94189bc","isrc":"USE830928692","name":"Ever Grande City (Pokemon Ruby/Sapphire)","registered_at":"2026-06-22T03:05:36Z","spotify_id":"6LXsFxlDKnPMDiSySBJaa9","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2764cd9d625fa800df6f817133c75db3ad20363d915ca4a5e25883f5f94189bc. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6LXsFxlDKnPMDiSySBJaa9.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/6LXsFxlDKnPMDiSySBJaa9.
{"copyright_id":"0xf14e13633a8cc62c76aab12dfa2e5ed4da6c2c0d148e67c609997bb1073a8883","isrc":"USE830928711","name":"Xion's Theme (Kingdom Hearts)","registered_at":"2026-06-27T05:17:36Z","spotify_id":"0xJJl16qto51uFPWP5YWtA","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf14e13633a8cc62c76aab12dfa2e5ed4da6c2c0d148e67c609997bb1073a8883. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0xJJl16qto51uFPWP5YWtA.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/0xJJl16qto51uFPWP5YWtA.