Emmanuel Gyamfi
type: MusicGroup
description: Emmanuel Gyamfi (born 16 December 1994) is a Ghanaian footballer who plays as a winger for Asante Kotoko and Ghana. Club career Gyamfi started his career Wa All Stars. In 2014, Gyamfi signed for Arme
popularity: 2
followers: 142
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xe14ef04dc6c826f8bfd6a2e4e5764132863059208e214f0ebce0a78ba596f16e
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954069
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954069
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/7a2540e9-3c8d-49bb-9bd0-f8cb80337830.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/7a2540e9-3c8d-49bb-9bd0-f8cb80337830.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/7a2540e9-3c8d-49bb-9bd0-f8cb80337830
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-17T08:30:25Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xe14ef04dc6c826f8bfd6a2e4e5764132863059208e214f0ebce0a78ba596f16e","name":"Emmanuel Gyamfi","registered_at":"2026-06-17T08:10:47Z","symbol":"NIM1334140","token_address":"0x901d69f4c90d6ad138d4027fc985cfeaf04a66b1","type":"artist","uuid":"7a2540e9-3c8d-49bb-9bd0-f8cb80337830"}
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 0xe14ef04dc6c826f8bfd6a2e4e5764132863059208e214f0ebce0a78ba596f16e. Chain 2 (Bitcoin): anchored in block 954069 (2026-06-17T08:30:25Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/7a2540e9-3c8d-49bb-9bd0-f8cb80337830.json and https://artists.proofprofile.net/proofs/artist/7a2540e9-3c8d-49bb-9bd0-f8cb80337830.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-17T08:30:25Z
  text: {"copyright_id":"0xe14ef04dc6c826f8bfd6a2e4e5764132863059208e214f0ebce0a78ba596f16e","name":"Emmanuel Gyamfi","registered_at":"2026-06-17T08:10:47Z","symbol":"NIM1334140","token_address":"0x901d69f4c90d6ad138d4027fc985cfeaf04a66b1","type":"artist","uuid":"7a2540e9-3c8d-49bb-9bd0-f8cb80337830"}
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