The PENtagon
type: MusicGroup
description: The Pentagon is the headquarters of the United States Department of Defense, in Arlington County, Virginia, across the Potomac River from Washington, D.C. The building was constructed on an accelerate
popularity: 3
followers: 46
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xa46b8d536ec0083c8ebafff3dc950d813b24fa3453c8108e3fff81fdb772eab4
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/4b8da99a-4cad-4384-9827-c8f9c07fd9f7.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/4b8da99a-4cad-4384-9827-c8f9c07fd9f7.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/4b8da99a-4cad-4384-9827-c8f9c07fd9f7
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-17T08:10:43Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xa46b8d536ec0083c8ebafff3dc950d813b24fa3453c8108e3fff81fdb772eab4","name":"The PENtagon","registered_at":"2026-06-16T15:52:34Z","symbol":"NIM1100772","token_address":"0x0924dcb15f362de942c2cc432d1aa0317221d1f4","type":"artist","uuid":"4b8da99a-4cad-4384-9827-c8f9c07fd9f7"}
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 0xa46b8d536ec0083c8ebafff3dc950d813b24fa3453c8108e3fff81fdb772eab4. 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/4b8da99a-4cad-4384-9827-c8f9c07fd9f7.json and https://artists.proofprofile.net/proofs/artist/4b8da99a-4cad-4384-9827-c8f9c07fd9f7.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-17T08:10:43Z
  text: {"copyright_id":"0xa46b8d536ec0083c8ebafff3dc950d813b24fa3453c8108e3fff81fdb772eab4","name":"The PENtagon","registered_at":"2026-06-16T15:52:34Z","symbol":"NIM1100772","token_address":"0x0924dcb15f362de942c2cc432d1aa0317221d1f4","type":"artist","uuid":"4b8da99a-4cad-4384-9827-c8f9c07fd9f7"}
album: AIR BNE
  type: MusicAlbum
  date published: 2025-02-14