Diwa de Leon
type: MusicGroup
description: Diwa de Leon (born 1980) is a Filipino composer, arranger and musician based in Maryland, United States. He makes music mainly for television shows, films, and stage productions, with his most notable
popularity: 2
followers: 41
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xd7ccfe7f19c5b141dcd4372b38eafd7f867ec949c5f580d0f00abd5988d2a24a
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953978
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953978
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/2bc3d31d-a493-4cbc-9564-8d36d6407003.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/2bc3d31d-a493-4cbc-9564-8d36d6407003.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/2bc3d31d-a493-4cbc-9564-8d36d6407003
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-16T17:11:18Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xd7ccfe7f19c5b141dcd4372b38eafd7f867ec949c5f580d0f00abd5988d2a24a","name":"Diwa de Leon","registered_at":"2026-06-16T04:52:30Z","symbol":"NIM0943227","token_address":"0x9fa0162f184c69732c23f5de66b3d6185620ebac","type":"artist","uuid":"2bc3d31d-a493-4cbc-9564-8d36d6407003"}
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 0xd7ccfe7f19c5b141dcd4372b38eafd7f867ec949c5f580d0f00abd5988d2a24a. Chain 2 (Bitcoin): anchored in block 953978 (2026-06-16T17:11:18Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/2bc3d31d-a493-4cbc-9564-8d36d6407003.json and https://artists.proofprofile.net/proofs/artist/2bc3d31d-a493-4cbc-9564-8d36d6407003.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-16T17:11:18Z
  text: {"copyright_id":"0xd7ccfe7f19c5b141dcd4372b38eafd7f867ec949c5f580d0f00abd5988d2a24a","name":"Diwa de Leon","registered_at":"2026-06-16T04:52:30Z","symbol":"NIM0943227","token_address":"0x9fa0162f184c69732c23f5de66b3d6185620ebac","type":"artist","uuid":"2bc3d31d-a493-4cbc-9564-8d36d6407003"}
album: Ibong Adarna: Music from Ballet Manila's Ibong Adarna
  type: MusicAlbum
  date published: 2017-08-26
album: Palasyo Ng Mga Dwende: Music from Ballet Manila's Palace of the Dwarves
  type: MusicAlbum
  date published: 2017-09-06