Damour Vocal Band
type: MusicGroup
description: Damour Vocal Band (Persian: گروه آوازی دامور) is an Iranian A cappella music group co-founded by Faraz Khosravi Danesh and Ata Hakkak in 2011. Background Damour Vocal Band was a successful experie
popularity: 4
followers: 201
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xca68846730a95c6f749c0c40267d6751cb18584764d2948877661c7e5994656f
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953903
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953903
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/14e6fd5a-af41-445a-99e4-4080de06de2e.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/14e6fd5a-af41-445a-99e4-4080de06de2e.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/14e6fd5a-af41-445a-99e4-4080de06de2e
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-16T07:05:05Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xca68846730a95c6f749c0c40267d6751cb18584764d2948877661c7e5994656f","name":"Damour Vocal Band","registered_at":"2026-06-15T20:52:01Z","symbol":"NIM0828511","token_address":"0x9a5ffebc5c9ff0e011c50118ce634b2576b034cb","type":"artist","uuid":"14e6fd5a-af41-445a-99e4-4080de06de2e"}
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 0xca68846730a95c6f749c0c40267d6751cb18584764d2948877661c7e5994656f. Chain 2 (Bitcoin): anchored in block 953909 (2026-06-16T07:53:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/14e6fd5a-af41-445a-99e4-4080de06de2e.json and https://artists.proofprofile.net/proofs/artist/14e6fd5a-af41-445a-99e4-4080de06de2e.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-16T07:53:13Z
  text: {"copyright_id":"0xca68846730a95c6f749c0c40267d6751cb18584764d2948877661c7e5994656f","name":"Damour Vocal Band","registered_at":"2026-06-15T20:52:01Z","symbol":"NIM0828511","token_address":"0x9a5ffebc5c9ff0e011c50118ce634b2576b034cb","type":"artist","uuid":"14e6fd5a-af41-445a-99e4-4080de06de2e"}
album: Damour
  type: MusicAlbum
  date published: 2017-04-08
album: Dokhtare Boyer Ahmadi
  type: MusicAlbum
  date published: 2021-09-05
album: To Hamani Aya
  type: MusicAlbum
  date published: 2021-10-07