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 0x6551d482741842865d38a761813e26a10068b7eaf21f92866bd12f336d1b03be. Chain 2 (Bitcoin): anchored in block 953803 (2026-06-15T15:41:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/ec5ba399-cf05-44f3-b804-340198330c37.json and https://artists.proofprofile.net/proofs/artist/ec5ba399-cf05-44f3-b804-340198330c37.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
To Make a Prairie It Takes a Clover and One Bee
Letter to Dr and Mrs J G Holland, Summer 1862
Letter to Mrs. J G Holland, Early June 1884
Letter to Louise and Frances Norcross, Early July 1879
Letter to Susan Gilbert Dickinson, Early October 1883
Letter to Sally Jenkins, Late December 1880
Letter to John L Graves, Late April 1856
The Arabian Nights - The Story of Scheherajade
Southern Quilt: American Music for Solo Piano
The Last Hope, Religious Meditation (1853-54)