Madeleine Mitchell
type: MusicGroup
genre: chamber music
description: Madeleine Louise Mitchell MMus, ARCM, GRSM, FRSA is a British violinist who has performed as a soloist and chamber musician in over forty countries."Celebrity recital by 'one of Britain's liveliest mu
popularity: 2
followers: 107
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
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additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSProofURL
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additional property: OTSRecordURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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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
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3dda1864851a5c94c11e73adcf37d1e430f7b7b523029d700f7d7d07dae80c64. Chain 2 (Bitcoin): anchored in block 954066 (2026-06-17T08:11:48Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/7427bd25-0f05-4e6d-97d6-a39ba364965e.json and https://artists.proofprofile.net/proofs/artist/7427bd25-0f05-4e6d-97d6-a39ba364965e.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-17T08:11:48Z
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album: In Sunlight
  type: MusicAlbum
  date published: 2012-04-01
album: Alwyn: Chamber Music and Songs
  type: MusicAlbum
  date published: 2007-07-31
album: Mitchell, Madeleine: Violin Songs
  type: MusicAlbum
  date published: 2013-07-15