Erik Hokkanen
type: MusicGroup
description: Erik Hokkanen (born February 23, 1963)"United States Public Records, 1970-2009," database, FamilySearch (May 16, 2014), Erik Hokkanen,, Austin, Texas, United States. is an American fiddler,Toschees, N
popularity: 3
followers: 188
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x035e1ab8d275cf430634beea4d422f047b04d6fa5d917392eebeac950dcc8435
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954516
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954516
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/a05d9ade-1ed1-41e2-bd39-174ff766f98b.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/a05d9ade-1ed1-41e2-bd39-174ff766f98b.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/a05d9ade-1ed1-41e2-bd39-174ff766f98b
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-20T07:04:44Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x035e1ab8d275cf430634beea4d422f047b04d6fa5d917392eebeac950dcc8435","name":"Erik Hokkanen","registered_at":"2026-06-20T05:36:01Z","symbol":"NIM1527397","token_address":"0xaec394f67d34612e8c4ea6a1faf1223529d76b36","type":"artist","uuid":"a05d9ade-1ed1-41e2-bd39-174ff766f98b"}
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 0x035e1ab8d275cf430634beea4d422f047b04d6fa5d917392eebeac950dcc8435. Chain 2 (Bitcoin): anchored in block 954516 (2026-06-20T07:04:44Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/a05d9ade-1ed1-41e2-bd39-174ff766f98b.json and https://artists.proofprofile.net/proofs/artist/a05d9ade-1ed1-41e2-bd39-174ff766f98b.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-20T07:04:44Z
  text: {"copyright_id":"0x035e1ab8d275cf430634beea4d422f047b04d6fa5d917392eebeac950dcc8435","name":"Erik Hokkanen","registered_at":"2026-06-20T05:36:01Z","symbol":"NIM1527397","token_address":"0xaec394f67d34612e8c4ea6a1faf1223529d76b36","type":"artist","uuid":"a05d9ade-1ed1-41e2-bd39-174ff766f98b"}
album: Kaustinen, Texas
  type: MusicAlbum
  date published: 1995
album: Lumisudet
  type: MusicAlbum
  date published: 2002