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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x811b553deeffa34c190679c1960c4ef119e985f237244fbdaf462efedafbbea0. 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/8e2ba5bd-dcfe-459f-9d51-54185995128c.json and https://artists.proofprofile.net/proofs/artist/8e2ba5bd-dcfe-459f-9d51-54185995128c.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Hotaru No Hikari "Sha la la" (From Naruto Shippuden)
1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 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. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc07ce5712a1e6a48c84269ad551a222874f276ea6df48f19b676d796a4080f61. Chain 2 (Bitcoin): anchored in block 957898 (2026-07-13T19:28:48Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZGWW2044843.
Gurenge (From "Demon Slayer: Kimetsu no Yaiba")
Resolution (From "SAO Alicization: War of underworld")
DADDY! DADDY! DO! (From: "Kaguya-Sama: Love is War")
Shout Baby (From "Boku no Hero Academia")
ANIMA (From "SAO Alicization: War of Underworld")
Kessen Spirit (From "Haikyuu!!: To the Top")
Catch the Moment (From "Sword Art Online: Ordinal Scale")
Forget-Me-Not (From "Sword Art Online: Alicization")
Homura (From "Kimetsu no Yaiba the Movie: Mugen Train")
Centimeter (From "Kanojo, Okarishimasu")
Seven Deadly Sins (From "Nanatsu no Taizai")
I Will... (From "SAO Alicization: War of Underworld")
LOST IN PARADISE (From "Jujutsu Kaisen")
Polaris (From "Boku no Hero Academia") [Cover]
ADAMAS (From "Sword Art Online: Alicization") [Cover]
Ashiato -Footprints- (From "Boku no Hero Academia") [Cover]
Kesshou (From "Hanyo no Yashahime") [Cover]
Monochrome City (From "Koi to Yobu ni wa Kimochi Warui - Koikimo") [Cover]
Cry Baby (From "Tokyo Revengers") [Cover]
Star Maker (From "Boku no Hero Academia") [Cover]
Unlasting (From "Sword Art Online: Alicization War of Underworld") [Cover]
Koko de Iki wo Shite (From "Tokyo Revengers") [Cover]
Linaria (From "Koi to Yobu ni wa Kimochi Warui - Koikimo") [Cover]
Butter-fly (From "Digimon Adventure") [Spanish Version]
Guess Who Is Back (From "Black Clover") [Cover]
One Last Kiss (From "Evangelion 3.0+1.0") [Cover]
Koe? (From "Dr. Stone: Stone Wars") [Cover]
Cinderella (From "Komi-san Can't Communicate") [Cover]
Niji no Kanata ni (From "SAO: Alicization") [Cover]
Love Supreme! (From "Kobayashi-san") [Cover]
Akeboshi (From "Demon Slayer: Mugen Train Arc") [Cover]
Stone Ocean (From "Jojo's Bizarre Adventure") [Cover]
Zankyou Sanka (From "Demon Slayer") [Cover]
Akuma no ko (From "Attack on Titan") [Cover]
Asa ga kuru (From "Demon Salyer") [Cover]
Asa ga kuru (From "Demon Salyer") - Cover
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1ef6ca9d228072a629485068d9f489fe7dab8da382505068164e7074b0dd4ed8. Chain 2 (Bitcoin): anchored in block 956634 (2026-07-04T10:04:33Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZPJ32153019.
The Rumbling (From "Attack on Titan") [Cover]
No se habla de Bruno (From "Encanto") [Cover]
San San Days (From "My Dress-up Darling") [Cover]
Mixed Nuts (From "Spy x Family") [Cover]
koi no yukue (From "My Dress-up Darling") [Cover]
Chiki Chiki Ban Ban (From "Paripi Koumei") [Cover]
Giri Giri (From: "Kaguya sama: Love is war") [Cover]
Aoi 100 Shoku (From: "Komi-san Can't Communicate") [Cover]
New Genesis (From "One Piece Film: Red") [Cover]
Himitsu Koigokoro (From "Rent a girlfriend 2") [Cover]
Giri Giri (From "Kaguya sama: Love is war") [Cover]
Koi wa Explosion (From "Love After World Domination") [Cover]
No Man's Dawn (From: "Overlord IV") [Cover]
Blue Bird (From "Naruto Shippuden") [Cover]
Quiero gritar te amo (From "Slam Dunk") [Cover]
Mi corazón encantado (From "Dragon Ball GT") [Cover]
Shall we dance? (From "Shadows House") [Cover]
Kamado Tanjiro no Uta (From "Demon Slayer") [Cover]
Where the Wind Blows (From "One Piece Film: Red") [Cover]
Ángeles Fuimos (From "Dragon Ball Z") [Cover]
Dance in the game (From "Classroom of the elite") [Cover]
Chala Head Chala (From "Dragon Ball Z") [Cover]
Ignite (From "Sword Art Online II") [Cover]
Romance te puedo dar (From "Dragon Ball") [Cover]
Kawaki wo Ameku (From "Domestic na Kanojo") [Cover]
Suzume (From "Suzume no Tojimari") [Cover]
Suzume (From "Suzume no Tojimari") - Cover
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdd2447866e6b712f95e63761e7ac88e8519e89840bebd7dcb697f7d67d98451a. Chain 2 (Bitcoin): anchored in block 958428 (2026-07-17T15:15:14Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZPJ32257045.
Escalate (From "Nier: Automata Ver1.1A") [Cover]
Peaches (Bowser) (From "Super Mario Bros Movie") [Cover]
Under the tree (From "Attack on Titan") [Cover]
Lovers (From "Naruto Shippuden") [Cover]
Kanashii Ureshii (From "Koi to Uso") [Cover]
Love is Show (From "Kaguya-sama: Love is war") [Cover]
I really want to stay at your house (From "Cyberpunk 2077 Edgerunners") [Cover]
I really want to stay at your house (From "Cyberpunk 2077 Edgerunners") - Cover
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd0ea1f105f0c6f6ad246c8c40988b499c151ec3620dbc4344b1f806f7c36a9aa. Chain 2 (Bitcoin): anchored in block 956776 (2026-07-05T10:59:37Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZPJ32277658.
More than words (From "Jujutsu Kaisen") [Spanish Version]
El poder nuestro es (From "Dragon Ball Z") [Cover]
Mangetsu to Silhouette no Yoru (From "The duke of death and his maid") [Cover]
Spiral (From "Mushoku Tensei") [Spanish Version]
Spiral (From "Mushoku Tensei") - Spanish Version
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe5d576071ecfc40ea9185de2978f93e547cc7601bce57c5f394ad24b818bbd6c. Chain 2 (Bitcoin): anchored in block 959023 (2026-07-21T15:22:58Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZPJ32318852.
Sayonara Moon Town (From "Boruto") [Spanish Version]
Kizuna no Kiseki (From "Demon Slayer") [Spanish Version]
Shayou (From "Boku no Kokoro no Yabai Yatsu") [Spanish Version]
Duvet (From "Serial Experiments Lain") [Spanish Version]
Torches (From "Vinland Saga") [Spanish Version]
¡Atrápalos ya! (From "Pokémon") [Spanish Version]
takt (From "Takt Op. Destiny") [Spanish Version]
Bling Bang Bang Born (From "Mashle") [Spanish Version]
Boku wa... (From "Boku no Kokoro no Yabai Yatsu") [Spanish Version]
Boku wa... (From "Boku no Kokoro no Yabai Yatsu") - Spanish Version
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xee4c70223dda7feea2ac0c2b35b388f49838597dfe01598a5a4290a6738e9b7d. Chain 2 (Bitcoin): anchored in block 958541 (2026-07-18T11:37:54Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZPJ32349471.
Gradation (From "Yamada-kun to Lv 999") [Spanish Version]
Suzume (From "Suzume no Tojimari") [Japanese Version]
El mundo he de cambiar (From "Inuyasha") [Cover]
Mugen (From "Demon Slayer") [Spanish Version]
Kura Kura (From "Spy x Family") [Spanish Version]
Open the door (From "That's not my neigbor") [Spanish Version]
Open the door (From "That's not my neigbor") - Spanish Version
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1c89b112cc9e0d77e3d4744ebb9fe19e9aea6de70b3dd95924234517cd5f1aa8. Chain 2 (Bitcoin): anchored in block 958362 (2026-07-17T04:32:48Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZPJ32416048.
Hana ni natte (From "The Apothecary Diaries") [Japanese Cover]
Hana ni natte (From "The Apothecary Diaries") [Spanish Version]
Sola nunca estarás (From "Dragon Ball GT") [Spanish Version]
99.9 (From "Mob Psycho 100") [Spanish Version]
Otonoke (From "DanDaDan") [Spanish Version]
Addict (From "Hazbin Hotel") [Spanish Version]
Reweave (From: Re:Zero) [Spanish Version]
Casanova Posse (From "Dr. Stone") [TV Spanish Version]
Jaka Jaan (From "Dragon Ball DAIMA") [Spanish Version]
Pegasus Fantasy (From "Saint Seiya") [Spanish Version]
Kamukamo Shikamo Nidomokamo!! (From "MONO NO AWARE") [Spanish Version]
Jaka Jaan (From "Dragon Ball Daima") [Spanish Version]
ReawakerR (From "Solo Leveling") [Spanish Version]
愛♡スクリ～ム！(From "AiScream") [Spanish Version]
Golden (From "KPop Demon Hunters") [Spanish Version]
Your Idol (From "KPop Demon Hunters") [Rumi's Spanish Version]
Free (From "KPop Demon Hunters") [Spanish Version]
Golden (From "KPop Demon Hunters") [Acoustic Spanish Version]
TAIDADA (From "DanDaDan") [Spanish Version]
What It Sounds Like (From "KPop Demon Hunters") [Spanish Version]
Soul Salvation (From "Shaman King") [Spanish Version]
Takedown (From "KPop Demon Hunters") [Spanish Version]
Shine in the Cruel Night (From "Demon Slayer Infinity Castle") [Spanish Version]
Free (From "KPop Demon Hunters") [Bachata Version]
Free (From "KPop Demon Hunters") - Bachata Version
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9ab2ed91400713ec29999fbfe4bcac29307cb672997fb3218875fb1db46f5e57. Chain 2 (Bitcoin): anchored in block 956772 (2026-07-05T10:01:46Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZPJ32514479.
How It's Done (From "KPop Demon Hunters") [Spanish Version]
JANE DOE (From "Chainsaw Man") [Spanish Version]
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd356ff34eac1e79989956550c509cdfe393a8d5ab39da1f1ed6f00b7a3e8b6ec. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZPJ32372655.
No se habla de Bruno (From "Encanto") - Cover
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x11120dbea9476f7ddbe187d5c4107090e3061959086966aeacc610dfd36e0c17. Chain 2 (Bitcoin): anchored in block 960494 (2026-08-01T01:44:32Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZPJ32159367.