Dublin Guitar Quartet
type: MusicGroup
genre: minimalism
description: The Dublin Guitar Quartet is an Irish guitar quartet that specialises in the performance of contemporary classical music, particularly music associated with minimalist composers such as Philip Glass,
popularity: 19
followers: 2324
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
  value: https://blockstream.info/api/block-height/953620
additional property: OTSProofURL
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  value: https://artists.proofprofile.net/proofs/artist/1d64cbca-f529-4685-b811-ba6fc511458a.ots
additional property: OTSRecordURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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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 0x179d3234447900fc37cd922897b8beff0d7a54ab3aa7a03661abc4723545df7c. Chain 2 (Bitcoin): anchored in block 953621 (2026-06-14T09:42:57Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/1d64cbca-f529-4685-b811-ba6fc511458a.json and https://artists.proofprofile.net/proofs/artist/1d64cbca-f529-4685-b811-ba6fc511458a.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-14T09:42:57Z
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album: Deleted Pieces
  type: MusicAlbum
  date published: 2007-01-15
album: Contemporary Irish
  type: MusicAlbum
  date published: 2018-08-15