The Flag
type: MusicGroup
popularity: 10
followers: 263
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x0c8666b96377b4a068fff0c5f977eb73d8d4b65ddd33cdaa7a902b0f85fe2ef7
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953954
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953954
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/2437d98b-9874-4e86-bb67-05518166f8fd.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/2437d98b-9874-4e86-bb67-05518166f8fd.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/2437d98b-9874-4e86-bb67-05518166f8fd
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-16T14:18:37Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x0c8666b96377b4a068fff0c5f977eb73d8d4b65ddd33cdaa7a902b0f85fe2ef7","name":"The Flag","registered_at":"2026-06-16T02:13:50Z","symbol":"NIM0905337","token_address":"0x115b8968a7a69c1f1bba87d811b77c869716e5f7","type":"artist","uuid":"2437d98b-9874-4e86-bb67-05518166f8fd"}
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 0x0c8666b96377b4a068fff0c5f977eb73d8d4b65ddd33cdaa7a902b0f85fe2ef7. Chain 2 (Bitcoin): anchored in block 953954 (2026-06-16T14:18:37Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/2437d98b-9874-4e86-bb67-05518166f8fd.json and https://artists.proofprofile.net/proofs/artist/2437d98b-9874-4e86-bb67-05518166f8fd.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-16T14:18:37Z
  text: {"copyright_id":"0x0c8666b96377b4a068fff0c5f977eb73d8d4b65ddd33cdaa7a902b0f85fe2ef7","name":"The Flag","registered_at":"2026-06-16T02:13:50Z","symbol":"NIM0905337","token_address":"0x115b8968a7a69c1f1bba87d811b77c869716e5f7","type":"artist","uuid":"2437d98b-9874-4e86-bb67-05518166f8fd"}
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