Hala Roushdy
type: MusicGroup
popularity: 16
followers: 5878
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x18bbf772e5cdbac778fb840f23c0642b3c04598b4603b994a4c3a872c035e0e3
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953697
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953697
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/59b1c585-4fc7-4b88-8072-b4be55d27ef2.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/59b1c585-4fc7-4b88-8072-b4be55d27ef2.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/59b1c585-4fc7-4b88-8072-b4be55d27ef2
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-14T21:49:28Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x18bbf772e5cdbac778fb840f23c0642b3c04598b4603b994a4c3a872c035e0e3","name":"Hala Roushdy","registered_at":"2026-06-14T13:56:40Z","symbol":"NIM0474071","token_address":"0x3be156c6988f29d86b6ed0cc2c37aceb0a5d3ee7","type":"artist","uuid":"59b1c585-4fc7-4b88-8072-b4be55d27ef2"}
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 0x18bbf772e5cdbac778fb840f23c0642b3c04598b4603b994a4c3a872c035e0e3. Chain 2 (Bitcoin): anchored in block 953699 (2026-06-14T22:00:24Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/59b1c585-4fc7-4b88-8072-b4be55d27ef2.json and https://artists.proofprofile.net/proofs/artist/59b1c585-4fc7-4b88-8072-b4be55d27ef2.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-14T22:00:24Z
  text: {"copyright_id":"0x18bbf772e5cdbac778fb840f23c0642b3c04598b4603b994a4c3a872c035e0e3","name":"Hala Roushdy","registered_at":"2026-06-14T13:56:40Z","symbol":"NIM0474071","token_address":"0x3be156c6988f29d86b6ed0cc2c37aceb0a5d3ee7","type":"artist","uuid":"59b1c585-4fc7-4b88-8072-b4be55d27ef2"}
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