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 0xe0830f9f43294830c54cb6da751cc618ceb1f718a48ff5178526c6f50f394933. Chain 2 (Bitcoin): anchored in block 953423 (2026-06-12T21:20:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/29457fdc-d165-4910-93eb-fbf5eb90d3ba.json and https://artists.proofprofile.net/proofs/artist/29457fdc-d165-4910-93eb-fbf5eb90d3ba.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Bare Knuckle IV: Mr. X Nightmare (Original Game Soundtrack)
Streets of Rage 4: Mr. X Nightmare (Original Game Soundtrack)
{"copyright_id":"0xcbfc81128be95a0b9e2d00b7afcf966abf828565ba1cb75b9c01ac11b500d86f","isrc":"FR7PC2100005","name":"Primal Pummel","registered_at":"2026-06-28T18:30:44Z","spotify_id":"33AAdUdULAM1dJRRMdhnZp","type":"track"}
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 0xcbfc81128be95a0b9e2d00b7afcf966abf828565ba1cb75b9c01ac11b500d86f. 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/33AAdUdULAM1dJRRMdhnZp.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/33AAdUdULAM1dJRRMdhnZp.
Teenage Mutant Ninja Turtles: Shredder's Revenge (Original Game Soundtrack)
Teenage Mutant Ninja Turtles: Shredder's Revenge - Dimension Shellshock (Original Game Soundtrack)
Penny's Big Breakaway (Original Game Soundtrack)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xca7a32e06cf5b95ab21aeb57a4726eb2957b93423736ab9f20f0524cee793488. 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/6fuv1sAaQHrNYyH6A41D8Y.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/6fuv1sAaQHrNYyH6A41D8Y.
Tutto Finisce a Tarallucci e Vino (Pengo Mix)
Sudzsy Swings at the Natural Springs (Pengo Mix)
Go Berserker-er (Trailer Theme) - GaMetal Remix
Welcome To New Hope City! (New Hope City Zone 1)
Enjoy New Hope City! (New Hope City Zone 2)
Thanks For Your Visit! (New Hope City Zone 3) - Hunter Bridges Remix
Electric Flora (Abandoned Labyrinth Zone 1)
Synthetic Fauna (Abandoned Labyrinth Zone 2)
Tropicalibration (Abandoned Labyrinth Zone 3) - Andrew One Remix
Berserk & Chill (Frozen Temple Zone 3) - Andrew One Remix
Up Here (Sky Fort Zone 3) - Anton Corazza Remix
Grim Grin (Dark Fortress Zone 3) - Andrew One Remix
Rumble in the Zoo (From TMNT: Shredder's Revenge - Radical Remixes)
It Won't Fly! (From TMNT: Shredder's Revenge - Radical Remixes)
Panic in the Sky! (From TMNT: Shredder's Revenge - Radical Remixes)
Teenage Mutant Ninja Turtles: Shredder's Revenge - Radical Remixes (Original Game Soundtrack)
Mutants over Broadway! - Sean Bialo Remix
Roof Running Reptiles! - Sean Bialo Remix
Crisis at Coney Island! - Sean Bialo Remix
A Few Screws Loose - Tomoya Tomita Remix
Clash of the Outcasts - Sean Bialo Remix
The Lost Archenemies - Keiji Yamagishi Remix
We Ain't Came to Lose - Sean Bialo Remix
A Dish Best Served Cold - Sean Bialo Remix
Metal Slug Tactics (Original Game Soundtrack)
BUMP! Superbrawl (Original Game Soundtrack)
Densha ni notte ne! ~電車に乗ってね!~ (From Denshattack!)
Densha ni notte ne! ~電車に乗ってね!~ - From Denshattack!
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x78c43a4f32b27d347388c267a43779581acf4310dd3a50dc4da412f07c311289. 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/0sy2PdnpDMArrscrahpOgW.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/0sy2PdnpDMArrscrahpOgW.