Margret Wander (born May 23, 1981), better known by her stage name Dessa, is an American singer, rapper, musician, writer, and former record executive. She is a member of the indie hip hop collective
1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 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 0x8959a1bc6d726e2ac4c4baeda592da8915bbcde031f5053141e1dda9cedb2867. Chain 2 (Bitcoin): anchored in block 953885 (2026-06-16T04:12:47Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/0b59ae25-30d0-4930-a275-d49112c59c73.json and https://artists.proofprofile.net/proofs/artist/0b59ae25-30d0-4930-a275-d49112c59c73.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).