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 0x991fc47b74125368d15b2674bfb896d53aa537d278fc1373c5ae8095f4b7c688. 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/1b3b1c5e-2fdb-44c1-a8bc-793337f2a1b3.json and https://artists.proofprofile.net/proofs/artist/1b3b1c5e-2fdb-44c1-a8bc-793337f2a1b3.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Roundabout (From "Jojo's Bizarre Adventure") [Cover]
Jojo ~Sono Chi no Sadame~ - From "Jojo's Bizarre Adventure"
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 → block OTSBitcoinBlock must exist at that height 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x921d15e61e822177179d7acf8fc28c5dc8d394a69c8cb256f968069d358a192c. Chain 2 (Bitcoin): anchored in block 956857 (2026-07-06T01:26:17Z), 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/QZ22B2070675.
Jojo Sono Chi no Kioku ~end of THE WORLD~ - From "Jojo's Bizarre Adventure: Stardust Crusaders"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x65024212cbebc5bdc3dc57cef37273bbcffaf75532b107286b110565834dc466. Chain 2 (Bitcoin): anchored in block 956656 (2026-07-04T14:03:39Z), 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/QZ22B2070678.
Great Days (From "Jojo's Bizarre Adventure: Diamond is Unbreakable")
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1f73c9db34ecb06d3686297d755d7b71b1dac85c85144dce2c063363668be68b. Chain 2 (Bitcoin): anchored in block 958300 (2026-07-16T16:14:30Z), 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/QZ22B2074409.
Bokutachi wa Tenshi Datta / Ángeles Fuimos
I beg you (From "Fate/stay night: Heaven's Feel II") [Spanish]
Kiss of Death (From "DARLING in the FRANXX") [Spanish]
Rain (Spanish) [From "Fullmetal Alchemist: Brotherhood"]
DADDY! DADDY! DO! (From "Kaguya-sama: Love is War")
Komm, süsser Tod (Spanish) [From "The End of Evangelion"]
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xde6caeb9b1fc1eb67f9fc6db056dc4fe8669ec8fe3e7d7159953a6ea1bc2ec22. Chain 2 (Bitcoin): anchored in block 956725 (2026-07-05T01:12:41Z), 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/QZGWW2141920.
Here (Spanish) [From "Mahoutsukai no Yome"]
Snake Eater (From "Metal Gear Solid 3: Snake Eater")
Homura (From "Demon Slayer: Kimetsu no Yaiba The Movie - Mugen Train")
No More What Ifs (From "Persona 5 Royal")
Melissa (Acoustic Version) [From "Fullmetal Alchemist"]
Lost in Paradise (TV Spanish Version) [From "Jujutsu Kaisen"]
Shock (Spanish Version) [From "Attack on Titan / Shingeki no Kyojin The Final Season"]
Open Your Heart (From "Sonic Adventure")
Violet Evergarden Opening y Ending Español
My War (Spanish Version) [From "Attack on Titan / Shingeki no Kyojin The Final Season"]
No.1 (TV Spanish Version) [From "Boku no Hero Academia"]
Again (From "Fullmetal Alchemist: Brotherhood") [Cover]
Escape from the City (From "Sonic Adventure 2" / "Sonic Generations") [Cover]
Innocent (from "Digimon Frontier") [Spanish & Japanese Cover]
Kimi ga Ireba (From "Detective Conan") [Spanish Version]
One Last Kiss (Spanish Version) [From "Evangelion 3.0 + 1.0"]
Weight of the World [From "NieR: Automata"] (English Version)
The Real Folk Blues (Spanish Version from "Cowboy Bebop")
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xda87d7c3994160d3ec5d1136fb627e703289046fac3eddac65bc4e3c377b9095. Chain 2 (Bitcoin): anchored in block 956826 (2026-07-05T19:27:56Z), 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/QZPJ32127655.
STONE OCEAN (Jojo's Bizarre Adventure OP 10 Japanese & Spanish Version)
Akuma no Ko (Spanish Cover from "Shingeki no Kyojin / Attack on Titan The Final Season")
The Rumbling (from "Shingeki no Kyojin / Attack on Titan The Final Season") [Spanish Cover]
Ambiguous (Spanish Cover from "Kill la Kill")
Akatsuki no Requiem (From "Shingeki no Kyojin / Attack on Titan") [Spanish Cover]
GIRI GIRI (from "Kaguya-sama: Love is War -Ultra Romantic-") [Spanish Cover]
Everything's Alright (From "To The Moon") [Cover]
Jojo ~Sono Chi no Sadame~ (Spanish Cover from Jojo's Bizarre Adventure)
Mixed Nuts (Spanish Cover from "SPY x FAMILY")
Comedy (Kigeki) [From "SPY x FAMILY"] [Spanish Cover]
Departure! (Spanish Cover From "Hunter x Hunter 2011")
Sorairo Days (Spanish Cover from "Tengen Toppa Gurren Lagann")
Quiero Gritar Te Amo (Slam Dunk OP Spanish Cover)
Kick Back (Chainsaw Man OP Spanish Cover)
Souvenir (SPY x FAMILY OP Spanish Cover)
Heaven's Falling Down (Jojo's Bizarre Adventure: Stone Ocean OP2 Spanish Cover)
Under the Tree (Shingeki no Kyojin / Attack on Titan The Final Season) [Spanish Cover with English Parts]
Stay With Me ~La Puerta a Medianoche~ (Spanish Cover)
Kurae! Telepathy (Tomo-chan is a Girl! OP Spanish Cover)
Akagami no Shirayuki Hime Openings en Español
One More Soul to the Call (From "Silent Hill Homecoming") [Live Cover]
Kizuna no Kiseki (Spanish Version from Demon Slayer: Kimetsu no Yaiba)
Endless Possibility / Posibilidad sin fin
Kamado Nezuko no Uta (Demon Slayer: Kimetsu no Yaiba) [Cover Español]
SPECIALZ (from "Jujutsu Kaisen") [En Español]
Ao no Sumika (from "Jujutsu Kaisen") [En Español]
Itterasshai (See you later) [From "Shingeki no Kyojin / Attack on Titan The Final Season"] [En Español]
Zero Eclipse (from "Shingeki no Kyojin / Attack on Titan") [En Español]
Letter (De: "Violet Evergarden") [En Español]
Give it Back (from "Jujutsu Kaisen") [En Español]
Letter (From "Violet Evergarden OVA") [En Español]
Akari (from "Jujutsu Kaisen") [En Español]
More than Words (from "Jujutsu Kaisen") [En Español]
More than Words (from "Jujutsu Kaisen") - En Español
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcc2e2f4a032d5fc575044981185be4c5fc86bdfcbcb19e98d44cf174220894b2. Chain 2 (Bitcoin): anchored in block 956560 (2026-07-03T23:28:02Z), 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/QZPJ32340005.
Hawatari Nioku Centi (from "Chainsaw Man")
Hana ni Natte (Be a Flower) [From "The Apothecary Diaries"] [En Español]
Anytime Anywhere (From "Sousou no Frieren") [En Español]
Anytime Anywhere (From "Sousou no Frieren") - En Español
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa7342ec809ed618f699a8d8eb0277a4f12538a296fab0834a35297ddc28ca140. Chain 2 (Bitcoin): anchored in block 956857 (2026-07-06T01:26:17Z), 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/QZPJ32362385.
Ambivalent (From "The Apothecary Diaries") [En Español]
Mugen (From "Demon Slayer: Kimetsu no Yaiba") [En Español]
Moonlight Densetsu (Luz de Luna) [From "Sailor Moon"] [Power Metal Version]
Sailor Star Song (Makenai) [From "Sailor Moon Sailor Stars"] [En Español]
Haru (Sunny) [From "Sousou no Frieren"] [En Español]
Burning (From "Oshi no Ko") [En Español]
Jaka Jaan (TV Size) [From "Dragon Ball Daima"] [En Español]
Jaka Jaan (TV Size) [From "Dragon Ball Daima"] - En Español
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x02724a0eb319822a3d33ea3d14878c26dbfcbb63cb34a431b15491ddec3a489f. Chain 2 (Bitcoin): anchored in block 956826 (2026-07-05T19:27:56Z), 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/QZPJ32428389.
I Am... All of Me (Female Version) [from "Shadow the Hedgehog"]
I Am... All of Me (From "Shadow the Hedgehog") [En Español]
Anta Nante. (from "Ranma 1/2 Remake 2024") [En Español]
Hyakka Ryouran (from "The Apothecary Diaries") [En Español]
Uncontrollable (from "Xenoblade Chronicles X")
Bara wa Utsukushiku Chiru (from "Versailles no Bara")
Kusushiki (from "The Apothecary Diaries") [En Español]
Kusushiki (from "The Apothecary Diaries") - En Español
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0f7c4d4dadf13d2aca396aed4a905e7ab86681113a8df7e88ef123de23576d05. Chain 2 (Bitcoin): anchored in block 956484 (2026-07-03T10:47:44Z), 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/QZPJ32473741.
Run Sakamoto Run (from "Sakamoto Days") [En Español]
Run Sakamoto Run (From "Sakamoto Days") [Versión Español]
Jaka Jaan (From "Dragon Ball Daima") [En Español]
Bara wa Utsukushiku Chiru (En Español) [from "Lady Oscar/La Rosa de Versalles"]
Bara wa Utsukushiku Chiru (from "Versailles no Bara") [Japanese Version]
Bara wa Utsukushiku Chiru (from "Versailles no Bara") - Japanese Version
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xec86fb28f5f343d4e4ffb6b14d5ce2cb4e883f9ad61ccac98b7907ed849dfe9f. Chain 2 (Bitcoin): anchored in block 958335 (2026-07-16T22:37:47Z), 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/QZPJ32469446.
High Flame (Tsuyobi) [From "Fire Force"] [En Español]
Inertia (from "To Be Hero X") [En Español]
Inertia (from "To Be Hero X") - En Español
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb3092b6fa1b035b62275ab774b3a1a23991fe052155be950f0f12a8b2bf8b416. 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/QZPJ32480433.
On the Way (Kakumei Douchuu) [from "Dandadan"] [En Español]
On the Way (Kakumei Douchuu) [from "Dandadan"] - En Español
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7c8e2e7dabf5ff24d5eb4f6b6809efb35552fd9b8a360c5c0615ee4e190aa95d. Chain 2 (Bitcoin): anchored in block 958163 (2026-07-15T14:38:07Z), 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/QZPJ32487538.
Mirage (from "Yofukashi no Uta / Call of the Night") [Spanish Version]
Happy Lucky Chappy (from "Takopi's Original Sin") [Spanish Version]
Hunting Soul (from "Dandadan") [Spanish Version]
You Can't Run From Yourself (from "Kaiju No. 8") [Spanish Version]
Kaiju (from "Orb: On the Movements of the Earth") [Spanish Version]
A World Where the Sun Never Rises (from "Demon Slayer: Kimetsu no Yaiba Infinity Castle") [Spanish Version]