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 0x44332c8316b34c169dfc9656181d7008747e73f8652c5aa6a6610db3426f4a50. Chain 2 (Bitcoin): anchored in block 953592 (2026-06-14T05:36:59Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/0754b874-5a08-4be5-bb41-6ddfbe410e18.json and https://artists.proofprofile.net/proofs/artist/0754b874-5a08-4be5-bb41-6ddfbe410e18.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Taivaan Portit (Knockin' on Heavens Door)
Kuulemiin (Isontuvan balladin korskea eksemplaari)