Edward II
type: MusicGroup
genre: folk
description: Edward II (25 April 1284 – 21 September 1327), also known as Edward of Caernarfon or Caernarvon, was King of England from 1307 until he was deposed in January 1327. The fourth son of Edward I, Edward
popularity: 3
followers: 925
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xe180f5eec1d9659a76c5518c22d7987965ea7a53c3d60895fe5ee9090d4cd6c0
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954516
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954516
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/a1bcdd58-7a55-4b4b-99ad-6121592c0728.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/a1bcdd58-7a55-4b4b-99ad-6121592c0728.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/a1bcdd58-7a55-4b4b-99ad-6121592c0728
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-20T07:04:44Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xe180f5eec1d9659a76c5518c22d7987965ea7a53c3d60895fe5ee9090d4cd6c0","name":"Edward II","registered_at":"2026-06-20T06:19:20Z","symbol":"NIM1537356","token_address":"0xf957eda1bd1b84abbfed536d65b939996e749483","type":"artist","uuid":"a1bcdd58-7a55-4b4b-99ad-6121592c0728"}
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 0xe180f5eec1d9659a76c5518c22d7987965ea7a53c3d60895fe5ee9090d4cd6c0. Chain 2 (Bitcoin): anchored in block 954516 (2026-06-20T07:04:44Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/a1bcdd58-7a55-4b4b-99ad-6121592c0728.json and https://artists.proofprofile.net/proofs/artist/a1bcdd58-7a55-4b4b-99ad-6121592c0728.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-20T07:04:44Z
  text: {"copyright_id":"0xe180f5eec1d9659a76c5518c22d7987965ea7a53c3d60895fe5ee9090d4cd6c0","name":"Edward II","registered_at":"2026-06-20T06:19:20Z","symbol":"NIM1537356","token_address":"0xf957eda1bd1b84abbfed536d65b939996e749483","type":"artist","uuid":"a1bcdd58-7a55-4b4b-99ad-6121592c0728"}
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