Karim Serry
type: MusicGroup
genre: arabic rap
popularity: 3
followers: 519
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x3b4f0fd2ab038746ab93274565528e0ad9940b3cc9f49a0b46978f2f21f93fd9
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954603
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954603
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/c0f0b2a0-801a-4b68-a3f2-ff42f9c14515.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/c0f0b2a0-801a-4b68-a3f2-ff42f9c14515.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/c0f0b2a0-801a-4b68-a3f2-ff42f9c14515
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-20T21:47:54Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x3b4f0fd2ab038746ab93274565528e0ad9940b3cc9f49a0b46978f2f21f93fd9","name":"Karim Serry","registered_at":"2026-06-20T19:30:14Z","symbol":"NIM1690996","token_address":"0xc4c8f51b0da0d3d83efce18bfea76254f214438e","type":"artist","uuid":"c0f0b2a0-801a-4b68-a3f2-ff42f9c14515"}
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 0x3b4f0fd2ab038746ab93274565528e0ad9940b3cc9f49a0b46978f2f21f93fd9. Chain 2 (Bitcoin): anchored in block 954603 (2026-06-20T21:47:54Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/c0f0b2a0-801a-4b68-a3f2-ff42f9c14515.json and https://artists.proofprofile.net/proofs/artist/c0f0b2a0-801a-4b68-a3f2-ff42f9c14515.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-20T21:47:54Z
  text: {"copyright_id":"0x3b4f0fd2ab038746ab93274565528e0ad9940b3cc9f49a0b46978f2f21f93fd9","name":"Karim Serry","registered_at":"2026-06-20T19:30:14Z","symbol":"NIM1690996","token_address":"0xc4c8f51b0da0d3d83efce18bfea76254f214438e","type":"artist","uuid":"c0f0b2a0-801a-4b68-a3f2-ff42f9c14515"}