Hugh Marsh
type: MusicGroup
description: Hugh Marsh (born June 5, 1955) is a violinist from Toronto, known for his electric violin sound. Marsh was nominated for a 2007 Juno Award in the best contemporary jazz album category. Early days Mar
popularity: 6
followers: 593
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
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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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  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/2d7d0560-c6db-43a6-84fa-672de8ce8816
additional property: OTSTimestamp
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  value: 2026-06-16T22:46:20Z
additional property: OTSCanonicalRecord
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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 0xb681a455f4639676ebfee19ce79e27127ea8c88e60cad8318496899686bc7bf1. Chain 2 (Bitcoin): anchored in block 954014 (2026-06-16T22:46:20Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/2d7d0560-c6db-43a6-84fa-672de8ce8816.json and https://artists.proofprofile.net/proofs/artist/2d7d0560-c6db-43a6-84fa-672de8ce8816.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-16T22:46:20Z
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album: The Bear Walks
  type: MusicAlbum
  date published: 1984
album: The Bear Walks
  type: MusicAlbum
  date published: 1984
album: The Bear Walks
  type: MusicAlbum
  date published: 1984
album: Shaking The Pumkin
  type: MusicAlbum
  date published: 1987
album: Shaking The Pumkin
  type: MusicAlbum
  date published: 1987
album: Shaking The Pumkin
  type: MusicAlbum
  date published: 1987
album: The Bear Walks
  type: MusicAlbum
  date published: 2014-08-22
album: I Laid Down in the Snow
  type: MusicAlbum
  date published: 2018-12-14
album: I Laid Down in the Snow
  type: MusicAlbum
  date published: 2018-12-14
album: She Will
  type: MusicAlbum
  date published: 2019-01-18
album: She Will
  type: MusicAlbum
  date published: 2019-01-18
album: Da Solo Non Solitario
  type: MusicAlbum
  date published: 2019-02-05
album: Violinvocations
  type: MusicAlbum
  date published: 2019-02-15
album: Violinvocations
  type: MusicAlbum
  date published: 2019-02-15