Queen Esther Marrow (born February 12, 1941) is an American soul and gospel singer. Biography Queen Esther Marrow was born in Newport News, Virginia. She began her career at the age of 22, when her v
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 0xe6b95b8aa11bcc2263a34f6eb1842ebbeef0558918aa6fecacb74b078fd169ba. Chain 2 (Bitcoin): anchored in block 953907 (2026-06-16T07:39:24Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/173e59ec-6ae4-4bd0-b4fc-ce3c5f0abb7b.json and https://artists.proofprofile.net/proofs/artist/173e59ec-6ae4-4bd0-b4fc-ce3c5f0abb7b.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Queen Esther Marrow & The Harlem Gospel Singers