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 0xd04d20bb434ded624eab8c90bc4103ff03eb0733ca9c597e77f7be9fd0936d39. Chain 2 (Bitcoin): anchored in block 953657 (2026-06-14T16:43:25Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/4f74d88e-6652-4a1f-88d9-beca1193d421.json and https://artists.proofprofile.net/proofs/artist/4f74d88e-6652-4a1f-88d9-beca1193d421.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Hear my song, Hear my prayer - Songs from the Hopi Mesas
From the East the Grey Clouds with Their War-Bonnets Have Come
Hoat’Ve’La - Traditional Songs from the Hopi
Su’Vu’Yo’Yungw: "Long and Steady Drizzle"