Celine Cairo
type: MusicGroup
description: Celine Cairo (born 22 May 1990) is a Dutch singer and songwriter. As of 2023, she has released three EPs and four studio albums. Biography Celine Cairo released her first, self-titled EP, in 2010. Af
popularity: 2
followers: 3
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xa495dfa2632bd560a41ebe4c38c47de1637f018b9a25afd88bd44bcdab088533
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954130
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954130
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/7c260ef3-be75-4c4f-800f-caafdd210223.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/7c260ef3-be75-4c4f-800f-caafdd210223.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/7c260ef3-be75-4c4f-800f-caafdd210223
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-17T19:07:14Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xa495dfa2632bd560a41ebe4c38c47de1637f018b9a25afd88bd44bcdab088533","name":"Celine Cairo","registered_at":"2026-06-17T08:51:50Z","symbol":"NIM1343921","token_address":"0xef111f39e0761b55a2134c39caab89ae241dca23","type":"artist","uuid":"7c260ef3-be75-4c4f-800f-caafdd210223"}
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa495dfa2632bd560a41ebe4c38c47de1637f018b9a25afd88bd44bcdab088533. Chain 2 (Bitcoin): anchored in block 954130 (2026-06-17T19:07:14Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/7c260ef3-be75-4c4f-800f-caafdd210223.json and https://artists.proofprofile.net/proofs/artist/7c260ef3-be75-4c4f-800f-caafdd210223.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-17T19:07:14Z
  text: {"copyright_id":"0xa495dfa2632bd560a41ebe4c38c47de1637f018b9a25afd88bd44bcdab088533","name":"Celine Cairo","registered_at":"2026-06-17T08:51:50Z","symbol":"NIM1343921","token_address":"0xef111f39e0761b55a2134c39caab89ae241dca23","type":"artist","uuid":"7c260ef3-be75-4c4f-800f-caafdd210223"}