Madeline Louise Eastman (born June 27, 1954) is an American jazz singer. At 18, while watching the movie Lady Sings the Blues Eastman became enchanted with Diana Ross's portrayal of vocalist Billie H
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 0x540e99fc8488c3ee42750e2cd61e4d871845f955e4b50a0fa4401c9c9d571706. Chain 2 (Bitcoin): anchored in block 954342 (2026-06-19T03:22:39Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/920feab4-1f38-4045-a846-4e2229cd72f9.json and https://artists.proofprofile.net/proofs/artist/920feab4-1f38-4045-a846-4e2229cd72f9.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Can You Hear Me Now? Madeline Eastman LIVE