Israel Cardoso
type: MusicGroup
popularity: 2
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xdbb273a190fcd9f528a1a3b1b7be558c1c2c4ab115b015927321e9a22c53ac96
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953857
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953857
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/024a6816-c676-43aa-93e0-66b7bd72780c.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/024a6816-c676-43aa-93e0-66b7bd72780c.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/024a6816-c676-43aa-93e0-66b7bd72780c
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-15T23:34:38Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xdbb273a190fcd9f528a1a3b1b7be558c1c2c4ab115b015927321e9a22c53ac96","name":"Israel Cardoso","registered_at":"2026-06-15T14:27:58Z","symbol":"NIM0736875","token_address":"0x49ed47e85ff3c4b64a0e24b5eb5c1a7002af9056","type":"artist","uuid":"024a6816-c676-43aa-93e0-66b7bd72780c"}
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 0xdbb273a190fcd9f528a1a3b1b7be558c1c2c4ab115b015927321e9a22c53ac96. Chain 2 (Bitcoin): anchored in block 953877 (2026-06-16T02:39:16Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/024a6816-c676-43aa-93e0-66b7bd72780c.json and https://artists.proofprofile.net/proofs/artist/024a6816-c676-43aa-93e0-66b7bd72780c.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-16T02:39:16Z
  text: {"copyright_id":"0xdbb273a190fcd9f528a1a3b1b7be558c1c2c4ab115b015927321e9a22c53ac96","name":"Israel Cardoso","registered_at":"2026-06-15T14:27:58Z","symbol":"NIM0736875","token_address":"0x49ed47e85ff3c4b64a0e24b5eb5c1a7002af9056","type":"artist","uuid":"024a6816-c676-43aa-93e0-66b7bd72780c"}