Kelvin Eldelagreña
type: MusicGroup
popularity: 7
followers: 152
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xa3e8c803091f5b5c0bc2549cacfaa1b81f6a5b2691b9dd046c25791e652d5aa2
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954587
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954587
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/bce20819-2b90-4594-9336-6cc3873f86b2.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/bce20819-2b90-4594-9336-6cc3873f86b2.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/bce20819-2b90-4594-9336-6cc3873f86b2
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-20T19:10:41Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xa3e8c803091f5b5c0bc2549cacfaa1b81f6a5b2691b9dd046c25791e652d5aa2","name":"Kelvin Eldelagreña","registered_at":"2026-06-20T17:21:31Z","symbol":"NIM1668086","token_address":"0x1559fcee5d894257351ce6f369463b96e0161d2d","type":"artist","uuid":"bce20819-2b90-4594-9336-6cc3873f86b2"}
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 0xa3e8c803091f5b5c0bc2549cacfaa1b81f6a5b2691b9dd046c25791e652d5aa2. Chain 2 (Bitcoin): anchored in block 954587 (2026-06-20T19:10:41Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/bce20819-2b90-4594-9336-6cc3873f86b2.json and https://artists.proofprofile.net/proofs/artist/bce20819-2b90-4594-9336-6cc3873f86b2.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-20T19:10:41Z
  text: {"copyright_id":"0xa3e8c803091f5b5c0bc2549cacfaa1b81f6a5b2691b9dd046c25791e652d5aa2","name":"Kelvin Eldelagreña","registered_at":"2026-06-20T17:21:31Z","symbol":"NIM1668086","token_address":"0x1559fcee5d894257351ce6f369463b96e0161d2d","type":"artist","uuid":"bce20819-2b90-4594-9336-6cc3873f86b2"}
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