John Henry Johnson
type: MusicGroup
description: John Henry Johnson (November 24, 1929 – June 3, 2011) was an American professional football player who was a fullback. His first stint was in Canada in the Western Interprovincial Football Union (WIFU
popularity: 3
followers: 145
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x39d3312549a2835164c9ba423fffc7c5586d05d94a5d23590a5ea240f323b7dd
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954066
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954066
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/626bdcc6-aa41-4af4-8530-a0d51df7393a.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/626bdcc6-aa41-4af4-8530-a0d51df7393a.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/626bdcc6-aa41-4af4-8530-a0d51df7393a
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-17T08:11:48Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x39d3312549a2835164c9ba423fffc7c5586d05d94a5d23590a5ea240f323b7dd","name":"John Henry Johnson","registered_at":"2026-06-16T23:58:07Z","symbol":"NIM1216610","token_address":"0x1cc20bd6c79ef76daeb8b6ae315d0f8faf42281b","type":"artist","uuid":"626bdcc6-aa41-4af4-8530-a0d51df7393a"}
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 0x39d3312549a2835164c9ba423fffc7c5586d05d94a5d23590a5ea240f323b7dd. Chain 2 (Bitcoin): anchored in block 954066 (2026-06-17T08:11:48Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/626bdcc6-aa41-4af4-8530-a0d51df7393a.json and https://artists.proofprofile.net/proofs/artist/626bdcc6-aa41-4af4-8530-a0d51df7393a.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-17T08:11:48Z
  text: {"copyright_id":"0x39d3312549a2835164c9ba423fffc7c5586d05d94a5d23590a5ea240f323b7dd","name":"John Henry Johnson","registered_at":"2026-06-16T23:58:07Z","symbol":"NIM1216610","token_address":"0x1cc20bd6c79ef76daeb8b6ae315d0f8faf42281b","type":"artist","uuid":"626bdcc6-aa41-4af4-8530-a0d51df7393a"}
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