Daniel Black
type: MusicGroup
description: Daniel Black (16 April 1911 – May 1978) was an English professional footballer who played in the Football League for Carlisle United and Mansfield Town. References Category:1911 births Category:1978
popularity: 9
followers: 117
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xd3e70f5dc73403deb069b415feb07f8f9980f72686ef8f749ba0c5a629511ad2
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954784
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954784
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/e8559891-4642-429c-bd35-824993493219.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/e8559891-4642-429c-bd35-824993493219.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/e8559891-4642-429c-bd35-824993493219
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-22T02:53:59Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xd3e70f5dc73403deb069b415feb07f8f9980f72686ef8f749ba0c5a629511ad2","name":"Daniel Black","registered_at":"2026-06-21T09:38:09Z","symbol":"NIM1886622","token_address":"0x1a4dea95ba51f1c2c4c4d77a33b2e3c8e46db093","type":"artist","uuid":"e8559891-4642-429c-bd35-824993493219"}
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 0xd3e70f5dc73403deb069b415feb07f8f9980f72686ef8f749ba0c5a629511ad2. Chain 2 (Bitcoin): anchored in block 954784 (2026-06-22T02:53:59Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/e8559891-4642-429c-bd35-824993493219.json and https://artists.proofprofile.net/proofs/artist/e8559891-4642-429c-bd35-824993493219.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-22T02:53:59Z
  text: {"copyright_id":"0xd3e70f5dc73403deb069b415feb07f8f9980f72686ef8f749ba0c5a629511ad2","name":"Daniel Black","registered_at":"2026-06-21T09:38:09Z","symbol":"NIM1886622","token_address":"0x1a4dea95ba51f1c2c4c4d77a33b2e3c8e46db093","type":"artist","uuid":"e8559891-4642-429c-bd35-824993493219"}
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