Donald Landin
type: MusicGroup
popularity: 9
followers: 12
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xf8016cee9a4e3e969c97d84a2ff85e19eef7ca5f9dbb8f64e981880cbc4dfeda
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/522fec80-0721-47e7-a3d7-544329b1cc62.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/522fec80-0721-47e7-a3d7-544329b1cc62.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/522fec80-0721-47e7-a3d7-544329b1cc62
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-17T08:10:43Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xf8016cee9a4e3e969c97d84a2ff85e19eef7ca5f9dbb8f64e981880cbc4dfeda","name":"Donald Landin","registered_at":"2026-06-16T18:33:02Z","symbol":"NIM1139054","token_address":"0x7498f1d41e8071be1fe0fbd58f68e3d52c5ec36e","type":"artist","uuid":"522fec80-0721-47e7-a3d7-544329b1cc62"}
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 0xf8016cee9a4e3e969c97d84a2ff85e19eef7ca5f9dbb8f64e981880cbc4dfeda. 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/522fec80-0721-47e7-a3d7-544329b1cc62.json and https://artists.proofprofile.net/proofs/artist/522fec80-0721-47e7-a3d7-544329b1cc62.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-17T08:10:43Z
  text: {"copyright_id":"0xf8016cee9a4e3e969c97d84a2ff85e19eef7ca5f9dbb8f64e981880cbc4dfeda","name":"Donald Landin","registered_at":"2026-06-16T18:33:02Z","symbol":"NIM1139054","token_address":"0x7498f1d41e8071be1fe0fbd58f68e3d52c5ec36e","type":"artist","uuid":"522fec80-0721-47e7-a3d7-544329b1cc62"}
album: Hey, It Looks Good
  type: MusicAlbum
  date published: 2024-05-05