Hendra Sapta
type: MusicGroup
genre: funkot
genre: lagu jawa
popularity: 9
followers: 14
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x2e53f724fbdfda1ad4408aed3ab40d80220a630ace1bdc8a05981292fed23411
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954533
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954533
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/a48d84f2-bd64-4d35-ab69-d6a67564909b.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/a48d84f2-bd64-4d35-ab69-d6a67564909b.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/a48d84f2-bd64-4d35-ab69-d6a67564909b
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-20T08:57:02Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x2e53f724fbdfda1ad4408aed3ab40d80220a630ace1bdc8a05981292fed23411","name":"Hendra Sapta","registered_at":"2026-06-20T06:59:20Z","symbol":"NIM1547850","token_address":"0x49b2120125b64989a21c2c198a9bb4b43e13a020","type":"artist","uuid":"a48d84f2-bd64-4d35-ab69-d6a67564909b"}
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 0x2e53f724fbdfda1ad4408aed3ab40d80220a630ace1bdc8a05981292fed23411. Chain 2 (Bitcoin): anchored in block 954533 (2026-06-20T08:57:02Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/a48d84f2-bd64-4d35-ab69-d6a67564909b.json and https://artists.proofprofile.net/proofs/artist/a48d84f2-bd64-4d35-ab69-d6a67564909b.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-20T08:57:02Z
  text: {"copyright_id":"0x2e53f724fbdfda1ad4408aed3ab40d80220a630ace1bdc8a05981292fed23411","name":"Hendra Sapta","registered_at":"2026-06-20T06:59:20Z","symbol":"NIM1547850","token_address":"0x49b2120125b64989a21c2c198a9bb4b43e13a020","type":"artist","uuid":"a48d84f2-bd64-4d35-ab69-d6a67564909b"}
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