Madeline Eastman
type: MusicGroup
genre: vocal jazz
description: 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
popularity: 2
followers: 365
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x540e99fc8488c3ee42750e2cd61e4d871845f955e4b50a0fa4401c9c9d571706
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954342
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954342
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/920feab4-1f38-4045-a846-4e2229cd72f9.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/920feab4-1f38-4045-a846-4e2229cd72f9.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/920feab4-1f38-4045-a846-4e2229cd72f9
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-19T03:22:39Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x540e99fc8488c3ee42750e2cd61e4d871845f955e4b50a0fa4401c9c9d571706","name":"Madeline Eastman","registered_at":"2026-06-17T16:41:15Z","symbol":"NIM1455837","token_address":"0x090f98f00109b2b1d92c1159ce05eafc4e80ede4","type":"artist","uuid":"920feab4-1f38-4045-a846-4e2229cd72f9"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: 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).
  date published: 2026-06-19T03:22:39Z
  text: {"copyright_id":"0x540e99fc8488c3ee42750e2cd61e4d871845f955e4b50a0fa4401c9c9d571706","name":"Madeline Eastman","registered_at":"2026-06-17T16:41:15Z","symbol":"NIM1455837","token_address":"0x090f98f00109b2b1d92c1159ce05eafc4e80ede4","type":"artist","uuid":"920feab4-1f38-4045-a846-4e2229cd72f9"}
album: Point Of Departure
  type: MusicAlbum
  date published: 1990-01-08
album: Mad About Madeline!
  type: MusicAlbum
  date published: 1991
album: Art Attack
  type: MusicAlbum
  date published: 1994
album: BARE, A Collection of Ballads
  type: MusicAlbum
  date published: 2001
album: The Speed Of Life
  type: MusicAlbum
  date published: 2003
album: Can You Hear Me Now? Madeline Eastman LIVE
  type: MusicAlbum
  date published: 2008-08-01
album: A Quiet Thing
  type: MusicAlbum
  date published: 2012-08-15