Folke Nauta
type: MusicGroup
genre: classical piano
popularity: 3
followers: 142
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x9e45ef739166ff84007330e006be545c109a4921cc92d98472c87126bfc6bfdb
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954728
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954728
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/f8aec6b7-62ec-4c00-876c-ed5f7e35f009.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/f8aec6b7-62ec-4c00-876c-ed5f7e35f009.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/f8aec6b7-62ec-4c00-876c-ed5f7e35f009
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-21T18:08:38Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x9e45ef739166ff84007330e006be545c109a4921cc92d98472c87126bfc6bfdb","name":"Folke Nauta","registered_at":"2026-06-21T16:10:57Z","symbol":"NIM1970344","token_address":"0x71745d72263e2b68a7866b32b39d1850a281ad38","type":"artist","uuid":"f8aec6b7-62ec-4c00-876c-ed5f7e35f009"}
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 0x9e45ef739166ff84007330e006be545c109a4921cc92d98472c87126bfc6bfdb. Chain 2 (Bitcoin): anchored in block 954729 (2026-06-21T18:16:07Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/f8aec6b7-62ec-4c00-876c-ed5f7e35f009.json and https://artists.proofprofile.net/proofs/artist/f8aec6b7-62ec-4c00-876c-ed5f7e35f009.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-21T18:16:07Z
  text: {"copyright_id":"0x9e45ef739166ff84007330e006be545c109a4921cc92d98472c87126bfc6bfdb","name":"Folke Nauta","registered_at":"2026-06-21T16:10:57Z","symbol":"NIM1970344","token_address":"0x71745d72263e2b68a7866b32b39d1850a281ad38","type":"artist","uuid":"f8aec6b7-62ec-4c00-876c-ed5f7e35f009"}
album: Schumann, Chopin, Skrjabin & Ligeti: Piano Recital
  type: MusicAlbum
  date published: 2013-01-01
album: Cor De Groot: Hommage, Piano Music
  type: MusicAlbum
  date published: 2022-11-25
album: Left Hand Legacy Vol. 1
  type: MusicAlbum
  date published: 2023-02-01