Masuko Ushioda
type: MusicGroup
description: was a Japanese violinist who had an international career as soloist and teacher. Early life Masuko Ushioda was born in Shenyang, Manchuria. Her parents were a well-educated, cosmopolitan couple: he
popularity: 2
followers: 55
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
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  value: https://explorer.copyrightchains.com/tx/0x7b97ef851deb6461b28b26ecd5969925d67e7b93f76f1a772594cf31cc9579df
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/85d6f14b-0ad3-439d-894c-2876947b2f27.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/85d6f14b-0ad3-439d-894c-2876947b2f27.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/85d6f14b-0ad3-439d-894c-2876947b2f27
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-19T03:22:39Z
additional property: OTSCanonicalRecord
  type: PropertyValue
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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
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7b97ef851deb6461b28b26ecd5969925d67e7b93f76f1a772594cf31cc9579df. 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/85d6f14b-0ad3-439d-894c-2876947b2f27.json and https://artists.proofprofile.net/proofs/artist/85d6f14b-0ad3-439d-894c-2876947b2f27.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-19T03:22:39Z
  text: {"copyright_id":"0x7b97ef851deb6461b28b26ecd5969925d67e7b93f76f1a772594cf31cc9579df","name":"Masuko Ushioda","registered_at":"2026-06-17T12:07:23Z","symbol":"NIM1390556","token_address":"0xa29fb63b7b7e2f39b43bcfb425207d3f69ae7402","type":"artist","uuid":"85d6f14b-0ad3-439d-894c-2876947b2f27"}
album: Sibelius: Violin Concerto, Op. 47 - Bruch: Violin Concerto No. 1, Op. 26
  type: MusicAlbum
  date published: 1972-01-01
album: グラズノフ、バルトーク ＆ ストラヴィンスキー
  type: MusicAlbum
  date published: 2016-05-04