Cid Campos
type: MusicGroup
popularity: 12
followers: 271
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xa9bb55de73742dda4104f421e9dc7821170f63f6c585ebd75d374afcae495a2f
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953704
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953704
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/797ccbd3-6753-4542-baef-f33adf96ba53.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/797ccbd3-6753-4542-baef-f33adf96ba53.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/797ccbd3-6753-4542-baef-f33adf96ba53
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-14T22:58:38Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xa9bb55de73742dda4104f421e9dc7821170f63f6c585ebd75d374afcae495a2f","name":"Cid Campos","registered_at":"2026-06-14T17:14:51Z","symbol":"NIM0521361","token_address":"0x9eed613cb003637f84127c5e136c43d2d046c50c","type":"artist","uuid":"797ccbd3-6753-4542-baef-f33adf96ba53"}
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 0xa9bb55de73742dda4104f421e9dc7821170f63f6c585ebd75d374afcae495a2f. Chain 2 (Bitcoin): anchored in block 953742 (2026-06-15T04:47:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/797ccbd3-6753-4542-baef-f33adf96ba53.json and https://artists.proofprofile.net/proofs/artist/797ccbd3-6753-4542-baef-f33adf96ba53.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-15T04:47:56Z
  text: {"copyright_id":"0xa9bb55de73742dda4104f421e9dc7821170f63f6c585ebd75d374afcae495a2f","name":"Cid Campos","registered_at":"2026-06-14T17:14:51Z","symbol":"NIM0521361","token_address":"0x9eed613cb003637f84127c5e136c43d2d046c50c","type":"artist","uuid":"797ccbd3-6753-4542-baef-f33adf96ba53"}
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