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 artist was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4581d8c935f1ce38067cb458c451748fc1d97319938a7888f5ba3f40f3cf9cbb. Chain 2 (Bitcoin): anchored in block 953724 (2026-06-15T01:43:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/8c4a09fe-499b-4054-81aa-7eb277482101.json and https://artists.proofprofile.net/proofs/artist/8c4a09fe-499b-4054-81aa-7eb277482101.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Toive (Alkuperäinen Suomalainen Soundtrack/Deluxe Edition)
Toive (Alkuperäinen Suomalainen Soundtrack)
Maija Poppasen paluu (Alkuperäinen Suomalainen Soundtrack)