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 0xb1215cf0dc939e43855da42f1532b837d8b2495d7752e9fb3cea37b0ece76bb7. 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/21c6ab08-7620-4ccc-9eb1-4cadf9426895.json and https://artists.proofprofile.net/proofs/artist/21c6ab08-7620-4ccc-9eb1-4cadf9426895.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Legendo's Dracula Twins Official Game Soundtrack
Take Me to Pleasure Island - Grimecraft Remix
Just Shovels & Knights - La Danse Macabre (Shirobon Remix)
Just Shovels & Knights - La Danse Macabre - Shirobon Remix
Just Shovels & Knights - La Danse Macabre (Remix)
Just Shovels & Knights - La Danse Macabre - Remix
Love Is Insecurable (Shirobon Vocalizin' Edit)
Love Is Insecurable - Shirobon Vocalizin' Edit
Undertale - Spider Dance (Shirobon Remix)
Undertale - Spider Dance - Shirobon Remix
Haunted PS1: Spectral Mall - Trailer Version
Haunted PS1: Spectral Mall - Game Version
Haunted PS1 - Spectral Mall - Trailer Version
Haunted PS1 - Spectral Mall - Game Version
Destroy U - Dave Skywalker x Staccatissimo Remix
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 0x88363313eed5ff190ad3d6244171e49555c9bb351042ca5532de02fbb1eb201f. Chain 2 (Bitcoin): anchored in block 956383 (2026-07-02T18:11:59Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4OqLsUTjz2oxwQcFGK01ip.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/4OqLsUTjz2oxwQcFGK01ip.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x88363313eed5ff190ad3d6244171e49555c9bb351042ca5532de02fbb1eb201f. Chain 2 (Bitcoin): anchored in block 956422 (2026-07-03T01:01:38Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/74zVow5YK92eh4DzUc86KY.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/74zVow5YK92eh4DzUc86KY.
{"copyright_id":"0xd32bedc45fef6e99bd9be109eb865d353efae349b0f65915d964de6c7b439b68","isrc":"SE6XW2420230","name":"Champions of Chiptune","registered_at":"2026-06-28T19:17:25Z","spotify_id":"5gQmKRgcBKUgQh9pQl3cEg","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd32bedc45fef6e99bd9be109eb865d353efae349b0f65915d964de6c7b439b68. 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/5gQmKRgcBKUgQh9pQl3cEg.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/5gQmKRgcBKUgQh9pQl3cEg.