Danny Thompson
type: MusicGroup
genre: blues
genre: modern blues
description: thumb|Thompson with Pentangle, in Amsterdam, 1969 Daniel Henry Edward Thompson (4 April 1939 – 23 September 2025) was an English multi-instrumentalist, best known as a double bassist. During a long m
popularity: 9
followers: 1047
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xd1a8278457e912dc829612a846c8eab48437a50872333e4a7f313433a3d58378
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954065
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954065
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/500b9028-d4b7-4604-80e2-36dc7a277100.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/500b9028-d4b7-4604-80e2-36dc7a277100.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/500b9028-d4b7-4604-80e2-36dc7a277100
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-17T08:10:43Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xd1a8278457e912dc829612a846c8eab48437a50872333e4a7f313433a3d58378","name":"Danny Thompson","registered_at":"2026-06-16T17:24:09Z","symbol":"NIM1122621","token_address":"0x1dca2777fbab061eb96c1fd59155ac508a5b299d","type":"artist","uuid":"500b9028-d4b7-4604-80e2-36dc7a277100"}
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 0xd1a8278457e912dc829612a846c8eab48437a50872333e4a7f313433a3d58378. Chain 2 (Bitcoin): anchored in block 954065 (2026-06-17T08:10:43Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/500b9028-d4b7-4604-80e2-36dc7a277100.json and https://artists.proofprofile.net/proofs/artist/500b9028-d4b7-4604-80e2-36dc7a277100.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-17T08:10:43Z
  text: {"copyright_id":"0xd1a8278457e912dc829612a846c8eab48437a50872333e4a7f313433a3d58378","name":"Danny Thompson","registered_at":"2026-06-16T17:24:09Z","symbol":"NIM1122621","token_address":"0x1dca2777fbab061eb96c1fd59155ac508a5b299d","type":"artist","uuid":"500b9028-d4b7-4604-80e2-36dc7a277100"}
album: Whatever (Remastered 2023)
  type: MusicAlbum
  date published: 1987-01-01
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  type: MusicAlbum
  date published: 1989-01-01
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  type: MusicAlbum
  date published: 1990-01-01
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  type: MusicAlbum
  date published: 1995-01-01
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  type: MusicAlbum
  date published: 2012-01-01
album: Song of Joy for Christmas. An Album of English Carols
  type: MusicAlbum
  date published: 2020-09-18