Lusan
type: MusicGroup
description: Lusan is a village () within the district of Muara Komam, Paser Regency, East Kalimantan, Indonesia. This village has an area of 466,71 km2 and in 2023 was inhabited by 442 people. Lusan consists of 3
popularity: 3
followers: 403
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x447aef79e7c389fab0f4820b2793247a7fa1973aa9fb08333501eb6b4fc3f896
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953947
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953947
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/233739ed-ba4f-42bb-94ed-ee33e3998d85.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/233739ed-ba4f-42bb-94ed-ee33e3998d85.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/233739ed-ba4f-42bb-94ed-ee33e3998d85
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-16T13:14:26Z
additional property: OTSCanonicalRecord
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 0x447aef79e7c389fab0f4820b2793247a7fa1973aa9fb08333501eb6b4fc3f896. Chain 2 (Bitcoin): anchored in block 953949 (2026-06-16T13:28:01Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/233739ed-ba4f-42bb-94ed-ee33e3998d85.json and https://artists.proofprofile.net/proofs/artist/233739ed-ba4f-42bb-94ed-ee33e3998d85.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-16T13:28:01Z
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  type: MusicAlbum
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