Wael El-mahallawy Fet Wael El-Nagar
type: MusicGroup
popularity: 3
followers: 218
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x0129bd7c9329ce6724e548708dbfd16d48a8efaf17ba8e3aa1479c457fd496a3
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953949
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953949
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/15619336-ec2e-431e-8b2e-3b90b125adff.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/15619336-ec2e-431e-8b2e-3b90b125adff.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/15619336-ec2e-431e-8b2e-3b90b125adff
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-16T13:28:01Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x0129bd7c9329ce6724e548708dbfd16d48a8efaf17ba8e3aa1479c457fd496a3","name":"Wael El-mahallawy Fet Wael El-Nagar","registered_at":"2026-06-15T21:00:43Z","symbol":"NIM0830585","token_address":"0x975fdde74df0cea92fc8c76348c1d733ff09d578","type":"artist","uuid":"15619336-ec2e-431e-8b2e-3b90b125adff"}
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 0x0129bd7c9329ce6724e548708dbfd16d48a8efaf17ba8e3aa1479c457fd496a3. Chain 2 (Bitcoin): anchored in block 953949 (2026-06-16T13:28:01Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/15619336-ec2e-431e-8b2e-3b90b125adff.json and https://artists.proofprofile.net/proofs/artist/15619336-ec2e-431e-8b2e-3b90b125adff.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-16T13:28:01Z
  text: {"copyright_id":"0x0129bd7c9329ce6724e548708dbfd16d48a8efaf17ba8e3aa1479c457fd496a3","name":"Wael El-mahallawy Fet Wael El-Nagar","registered_at":"2026-06-15T21:00:43Z","symbol":"NIM0830585","token_address":"0x975fdde74df0cea92fc8c76348c1d733ff09d578","type":"artist","uuid":"15619336-ec2e-431e-8b2e-3b90b125adff"}
album: Orietal Belly Dance (Raks Al Accordion 2)
  type: MusicAlbum
  date published: 2011-01-01