Dong-Min Lim
type: MusicGroup
description: Dong-Min Lim (; born April 14, 1980, in Seoul) is a South Korean classical pianist. He and his brother Dong-Hyek Lim won third prize at the XV International Chopin Piano Competition in Warsaw. Dong Mi
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followers: 216
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  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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-17T19:41:05Z
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album: Chopin & Schumann (G0100017047576)
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  date published: 2019-09-20
  track: Kinderszenen, Op.15 - VII. Träumerei
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    by artist: Dong-Min Lim
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      date published: 2019-09-20
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      date published: 2026-07-05T10:01:46Z
    audio: Kinderszenen, Op.15 - VII. Träumerei
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