Cheba Siham Japonia
type: MusicGroup
genre: raï
popularity: 16
followers: 6450
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xdc707e6c8282b67c53e4bff4454db51ae9ad30c7f39905a06ad824180bcaed9b
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953645
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953645
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/3ead23bb-316d-47c4-9e85-828e855fb68b.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/3ead23bb-316d-47c4-9e85-828e855fb68b.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/3ead23bb-316d-47c4-9e85-828e855fb68b
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-14T14:31:42Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xdc707e6c8282b67c53e4bff4454db51ae9ad30c7f39905a06ad824180bcaed9b","name":"Cheba Siham Japonia","registered_at":"2026-06-14T11:07:26Z","symbol":"NIM0433690","token_address":"0x4499c1815da01c26d6ba16b02e44749cacd3d913","type":"artist","uuid":"3ead23bb-316d-47c4-9e85-828e855fb68b"}
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 0xdc707e6c8282b67c53e4bff4454db51ae9ad30c7f39905a06ad824180bcaed9b. Chain 2 (Bitcoin): anchored in block 953645 (2026-06-14T14:31:42Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/3ead23bb-316d-47c4-9e85-828e855fb68b.json and https://artists.proofprofile.net/proofs/artist/3ead23bb-316d-47c4-9e85-828e855fb68b.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-14T14:31:42Z
  text: {"copyright_id":"0xdc707e6c8282b67c53e4bff4454db51ae9ad30c7f39905a06ad824180bcaed9b","name":"Cheba Siham Japonia","registered_at":"2026-06-14T11:07:26Z","symbol":"NIM0433690","token_address":"0x4499c1815da01c26d6ba16b02e44749cacd3d913","type":"artist","uuid":"3ead23bb-316d-47c4-9e85-828e855fb68b"}
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