Kai van Dongen
type: MusicGroup
genre: techno
popularity: 5
followers: 944
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xc1728236c2764ecfdf498e2857ade104a84d232544e504fb92cffdb0525cd5cf
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954065
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954065
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/4b0f0709-dd68-47ec-ae00-b9501cf6797c.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/4b0f0709-dd68-47ec-ae00-b9501cf6797c.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/4b0f0709-dd68-47ec-ae00-b9501cf6797c
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-17T08:10:43Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xc1728236c2764ecfdf498e2857ade104a84d232544e504fb92cffdb0525cd5cf","name":"Kai van Dongen","registered_at":"2026-06-16T15:42:47Z","symbol":"NIM1098443","token_address":"0x13415927d922b7fabf462c3665db498b7b7d7dac","type":"artist","uuid":"4b0f0709-dd68-47ec-ae00-b9501cf6797c"}
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 0xc1728236c2764ecfdf498e2857ade104a84d232544e504fb92cffdb0525cd5cf. Chain 2 (Bitcoin): anchored in block 954065 (2026-06-17T08:10:43Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/4b0f0709-dd68-47ec-ae00-b9501cf6797c.json and https://artists.proofprofile.net/proofs/artist/4b0f0709-dd68-47ec-ae00-b9501cf6797c.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-17T08:10:43Z
  text: {"copyright_id":"0xc1728236c2764ecfdf498e2857ade104a84d232544e504fb92cffdb0525cd5cf","name":"Kai van Dongen","registered_at":"2026-06-16T15:42:47Z","symbol":"NIM1098443","token_address":"0x13415927d922b7fabf462c3665db498b7b7d7dac","type":"artist","uuid":"4b0f0709-dd68-47ec-ae00-b9501cf6797c"}
album: The Beginning EP
  type: MusicAlbum
  date published: 2016-08-19
album: Welcome to My Home
  type: MusicAlbum
  date published: 2016-12-12
album: Welcome to My Home
  type: MusicAlbum
  date published: 2016-12-12
album: Groove
  type: MusicAlbum
  date published: 2018-04-06
album: Don't Miss Your Train
  type: MusicAlbum
  date published: 2018-11-23
album: Last Moment Of The Universe
  type: MusicAlbum
  date published: 2020
album: Don't Lose Count
  type: MusicAlbum
  date published: 2020-06-12
album: Don't Lose Count
  type: MusicAlbum
  date published: 2020-06-12
album: Aphexdropz
  type: MusicAlbum
  date published: 2020-08-10
album: Motivation
  type: MusicAlbum
  date published: 2020-11-03
album: KVD 001
  type: MusicAlbum
  date published: 2021
album: Kai van Dongen
  type: MusicAlbum
  date published: 2021
album: I Feel You
  type: MusicAlbum
  date published: 2021-03-26
album: Free Your Mind EP
  type: MusicAlbum
  date published: 2021-04-30
album: Free Your Mind EP
  type: MusicAlbum
  date published: 2021-04-30
album: Hard Sync
  type: MusicAlbum
  date published: 2021-06-25
album: Hypno 5
  type: MusicAlbum
  date published: 2021-07-16
album: Hypno 5
  type: MusicAlbum
  date published: 2021-07-16
album: Hypno 5
  type: MusicAlbum
  date published: 2021-07-16
album: Command
  type: MusicAlbum
  date published: 2021-07-23
album: Body Moving
  type: MusicAlbum
  date published: 2021-08-06
album: Breathe
  type: MusicAlbum
  date published: 2021-08-13
album: Body Moving
  type: MusicAlbum
  date published: 2021-08-20
album: Expression
  type: MusicAlbum
  date published: 2021-09-24
album: Expression
  type: MusicAlbum
  date published: 2021-09-24
album: Expression
  type: MusicAlbum
  date published: 2021-09-24
album: KVD 004
  type: MusicAlbum
  date published: 2022
album: KVD 002
  type: MusicAlbum
  date published: 2022
album: KVD 003
  type: MusicAlbum
  date published: 2022
album: Pulse Flow
  type: MusicAlbum
  date published: 2022-09-30
album: Unpredictable
  type: MusicAlbum
  date published: 2022-12-16
album: A Rainy Day In Crystal Palace
  type: MusicAlbum
  date published: 2024-07-05
album: Raw Cuts
  type: MusicAlbum
  date published: 2024-11-08
album: KVD 005
  type: MusicAlbum
  date published: 2024-11-26
album: Patterns Caught In Time
  type: MusicAlbum
  date published: 2024-12-12
album: KVD 007
  type: MusicAlbum
  date published: 2024-12-16
album: KVD 006
  type: MusicAlbum
  date published: 2024-12-16
album: Raw Cuts Volume 2
  type: MusicAlbum
  date published: 2025-05-21
album: Raw Cuts Volume 3
  type: MusicAlbum
  date published: 2025-10-21