Cathedral Quartet
type: MusicGroup
genre: christian country
genre: southern gospel
description: The Cathedral Quartet, also known as the Cathedrals, or the Cathedral Trio was an American southern gospel quartet who performed from 1964 to December 1999. The group's final lineup consisted of Glen
popularity: 3
followers: 838
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x7bbb53f7e3e24773e430a025503984a3bc25988dfc08ceec7228788833b0f928
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954587
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954587
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/bbcd87ac-ce4f-47c0-9190-1e02b17b9737.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/bbcd87ac-ce4f-47c0-9190-1e02b17b9737.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/bbcd87ac-ce4f-47c0-9190-1e02b17b9737
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-20T19:10:41Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x7bbb53f7e3e24773e430a025503984a3bc25988dfc08ceec7228788833b0f928","name":"Cathedral Quartet","registered_at":"2026-06-20T17:09:56Z","symbol":"NIM1663061","token_address":"0x37327d17c5a1da74b47dbd6699c7917e72e041d7","type":"artist","uuid":"bbcd87ac-ce4f-47c0-9190-1e02b17b9737"}
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 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
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7bbb53f7e3e24773e430a025503984a3bc25988dfc08ceec7228788833b0f928. Chain 2 (Bitcoin): anchored in block 954587 (2026-06-20T19:10:41Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/bbcd87ac-ce4f-47c0-9190-1e02b17b9737.json and https://artists.proofprofile.net/proofs/artist/bbcd87ac-ce4f-47c0-9190-1e02b17b9737.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-20T19:10:41Z
  text: {"copyright_id":"0x7bbb53f7e3e24773e430a025503984a3bc25988dfc08ceec7228788833b0f928","name":"Cathedral Quartet","registered_at":"2026-06-20T17:09:56Z","symbol":"NIM1663061","token_address":"0x37327d17c5a1da74b47dbd6699c7917e72e041d7","type":"artist","uuid":"bbcd87ac-ce4f-47c0-9190-1e02b17b9737"}