Dave Douglas Quintet
type: MusicGroup
genre: free jazz
genre: hard bop
genre: jazz
popularity: 3
followers: 1231
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additional property: OTSVerifyInstructions
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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
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc0a8c824e5b8692132b61cde0bb3866b559c7611e8eb6c3a3674c37f601f54ec. Chain 2 (Bitcoin): anchored in block 953947 (2026-06-16T13:14:26Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/224e0a61-1f49-48f1-9686-81adc216a83b.json and https://artists.proofprofile.net/proofs/artist/224e0a61-1f49-48f1-9686-81adc216a83b.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-16T13:14:26Z
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  type: MusicAlbum
  date published: 2006-04-17
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  type: MusicAlbum
  date published: 2006-04-17
album: Live At The Jazz Standard
  type: MusicAlbum
  date published: 2007-07-31
album: Live at the Jazz Standard (feat. Donny McCaslin, Uri Caine, James Genus & Clarence Penn)
  type: MusicAlbum
  date published: 2007-07-31
album: Live at the Jazz Standard (feat. Donny McCaslin, Uri Caine, James Genus & Clarence Penn)
  type: MusicAlbum
  date published: 2007-07-31
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  type: MusicAlbum
  date published: 2011-07-19
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  date published: 2011-07-19
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  type: MusicAlbum
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  type: MusicAlbum
  date published: 2012-09-25
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  type: MusicAlbum
  date published: 2012-09-25
album: Time Travel (feat. Jon Irabagon, Matt Mitchell, Linda Oh & Rudy Royston)
  type: MusicAlbum
  date published: 2013-04-09
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  type: MusicAlbum
  date published: 2013-04-09
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  type: MusicAlbum
  date published: 2015-10-02
album: Brazen Heart (feat. Jon Irabagon, Matt Mitchell, Linda Oh & Rudy Royston)
  type: MusicAlbum
  date published: 2015-10-02
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  type: MusicAlbum
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  type: MusicAlbum
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  type: MusicAlbum
  date published: 2018-11-30
album: Be Still My Soul (feat. Jon Irabagon, Matt Mitchell, Linda May, Han Oh & Rudy Royston) [Live]
  type: MusicAlbum
  date published: 2018-11-30
album: Brazen Heart: Live at Jazz Standard Saturday (feat. Dave Douglas, Jon Irabagon, Matt Mitchell, Linda Oh, & Rudy Royston)
  type: MusicAlbum
  date published: 2018-12-07
album: Brazen Heart: Live at Jazz Standard Saturday (feat. Dave Douglas, Jon Irabagon, Matt Mitchell, Linda Oh, & Rudy Royston)
  type: MusicAlbum
  date published: 2018-12-07
album: Brazen Heart: Live at Jazz Standard Saturday (feat. Dave Douglas, Jon Irabagon, Matt Mitchell, Linda Oh, & Rudy Royston)
  type: MusicAlbum
  date published: 2018-12-07
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  type: MusicAlbum
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  type: MusicAlbum
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