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
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x42ebce87678ffd4dc87aa6eb4ef09ee6d268d059eeb5ab3ef14133892daf7735. 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/4c363394-752d-4658-ab0a-0cd2ebf1eb26.json and https://artists.proofprofile.net/proofs/artist/4c363394-752d-4658-ab0a-0cd2ebf1eb26.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Gojo vs Toji Theme (from Jujutsu Kaisen) [Epic Version]
Prison Realm Theme (from Jujutsu Kaisen) [Epic Version]
Gojo Satoru Theme (from Jujutsu Kaisen) [Epic Version]
Toji Fushiguro Theme (from Jujutsu Kaisen) [Epic Dark Version]
Itadori Yuji vs Choso Theme (from Jujutsu Kaisen) [Epic Version]
Gojo VS Sukuna (from Jujutsu Kaisen) [Epic Battle Version]
Sukuna's Awakening (from Jujutsu Kaisen) [Epic Version]
Ao No Sumika X Hollow Purple (from Jujutsu Kaisen) [Epic Version]
Ao No Sumika X Hollow Purple (from Jujutsu Kaisen) - Epic Version
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
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb101fa5fab017f92d25033d98ce966a56d45808ff4f7547b8c885d5039cf671d. Chain 2 (Bitcoin): anchored in block 958074 (2026-07-14T22:45:25Z), 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/QZYD92300482.
Madame Web Trailer Music (Bury a Friend) [Epic Version]
Sukuna VS Mahoraga (from Jujutsu Kaisen) [Epic Version]
Nobara Theme (from Jujutsu Kaisen) [Emotional Version]
Aoi Todo Theme (from Jujutsu Kaisen) [Epic Rock Version]
Itadori Black Flash Theme (from Jujutsu Kaisen) [Epic Version]
VVV x Hollow Purple (feat. Xaiyo) [Epic Version]
The Culling Game Begins (from Jujutsu Kaisen) [Epic Version]
The Culling Game Begins (from Jujutsu Kaisen) - Epic Version
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeb943d1a4e58aa2bb317d9e991349832ba9aa8cc5ea004f1c06dafe56ba6cfe4. Chain 2 (Bitcoin): anchored in block 956422 (2026-07-03T01:01:38Z), 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/QZYD92401057.
Mahito Theme X Pillar Men (from Jujutsu Kaisen) [Epic Version]
more than words (from Jujutsu Kaisen) [Epic Rock Version]
Jujutsu Kaisen: Cursed Clash Trailer Music (Epic Version)
Jujutsu Kaisen: Cursed Clash Trailer Music - Epic Version
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfb446c85f8b130499bcef4dc76eb8b98bad88174687fda0d972c5243f3bf5d7e. Chain 2 (Bitcoin): anchored in block 958122 (2026-07-15T10:33:38Z), 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/QZYD92401450.
Flawlëss X Sukuna Themes (ft. Xaiyo) [Epic Version]
TUCA DONKA (Kinji Hakari Dance Theme) [Epic Version]
Gojo Satoru "Returns" (from Jujutsu Kaisen) [Epic Version]
Gojo Satoru X Yuta Okkotsu Theme (from Jujutsu Kaisen) [Epic Version]
Gojo Satoru X Yuta Okkotsu Theme (from Jujutsu Kaisen) - Epic Version
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9e26de6a13bc428356958e078b5514c7cf91b8f819c2e165c85effe265c4938f. Chain 2 (Bitcoin): anchored in block 958448 (2026-07-17T19:49:21Z), 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/QZYD92402809.
Billy Joel - Pressure (from The Boys) [Epic Metal Version]
Itadori Domain Expansion (from Jujutsu Kaisen) [Epic Metal Version]
Itadori Theme X Dark Phoenix (Epic Battle Version)
Itadori Theme X Dark Phoenix - Epic Battle Version
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x52766b08ee7d07fc7e760562b2dc244f4c7790ba2d68bca2ed7f27ee09db4f15. Chain 2 (Bitcoin): anchored in block 958931 (2026-07-20T21:15:01Z), 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/QZYD92403958.
Ryomen Sukuna (from Jujutsu Kaisen) [Epic Villain Version]
Avengers X Jujutsu Kaisen (Epic Version)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x61887bcbf7790a71bb530a369e18311f070281c7571e547921453fef3bd8d9fa. Chain 2 (Bitcoin): anchored in block 956639 (2026-07-04T11:19:20Z), 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/QZYD92404717.
Jonathan Joestar Theme (Epic Rock Version)
Hollow Purple (from Jujutsu Kaisen) [Epic Version]
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x32debc2cc6475388289a36306216195719533673de5505483154c31579c5a30c. Chain 2 (Bitcoin): anchored in block 956422 (2026-07-03T01:01:38Z), 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/QZYD92405186.
Portals (from Avengers: Endgame) [Epic Version]
Portals (from Avengers: Endgame) - Epic Version
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7f8b5fab7ec41e0e9c30b21d0f34da199255264571bad08bbf64804ec87307bb. Chain 2 (Bitcoin): anchored in block 956728 (2026-07-05T01:43:49Z), 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/QZYD92405370.
Arcane Season 2 - Epic Covers Collection
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa333c3bda107f4fd480388bc0c9bf92537c00da186e6898f6b3cc06b40c05bef. 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/QZYD92405445.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xefd9b0472f39f846acb9c733190f8a699cf0e895666470dbc2152526f727c7bb. Chain 2 (Bitcoin): anchored in block 956728 (2026-07-05T01:43:49Z), 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/QZYD92405446.
Jinwoo vs Barca (from Solo Leveling) [Epic Version]
Physical Prowess (from Jujutsu Kaisen) [Epic Version]
Spinning Cat Theme (OIIA OIIA) [Epic Metal Version]
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb5969bc25ffb2ae60d6d55a79713542eef5d5b077506d5850918ce22d9d0c53c. Chain 2 (Bitcoin): anchored in block 956551 (2026-07-03T21:18:05Z), 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/QZYD92506500.
Avengers: Doomsday - Cast Announce Theme (Epic Version)
Daredevil: Born Again Main Theme (Epic Version)
Mon Mothma Dance Theme - Slowed & Reverb
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb3802fcbe50e42a6fcb959285e6a470941bb0f38667025e81a7b3683e7f9fdd3. Chain 2 (Bitcoin): anchored in block 957772 (2026-07-12T23:31:17Z), 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/QZYD92507251.
Mon Mothma Dance Theme (Hardstyle Version)
Mon Mothma Dance Theme - Hardstyle Version
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa053452cd341f678ffeafc5c139a0f04af1bd01ff7de5aca7ab12444be607391. 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/QZYD92507849.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x55c1b6d0e75cf80795455ac86decbf56d69dbff04f95410005b30f25edb6fbbc. Chain 2 (Bitcoin): anchored in block 957778 (2026-07-13T00:08:48Z), 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/QZYD92508344.
JUJUTSU KAISEN S3: The Culling Game - Teaser Trailer Music (Epic Version)
Demon Slayer: Infinity Castle - Main Theme (Epic Version)
Zenitsu 7th Form - Flaming Thunder God X Ride The Lightning (Epic Metal Version)