Sakari Heikka
type: MusicGroup
popularity: 2
followers: 16
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xc0b43f44160097a194027e0671eeb4ce13c4b311a7b70a216ce86514c0be5de7
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954647
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954647
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/d8555f95-482d-4c1d-91b5-1cc94fa76059.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/d8555f95-482d-4c1d-91b5-1cc94fa76059.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/d8555f95-482d-4c1d-91b5-1cc94fa76059
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-21T04:36:58Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xc0b43f44160097a194027e0671eeb4ce13c4b311a7b70a216ce86514c0be5de7","name":"Sakari Heikka","registered_at":"2026-06-21T03:25:12Z","symbol":"NIM1805296","token_address":"0x07424739263ab54cc73e85533a0b8f91e6962d7b","type":"artist","uuid":"d8555f95-482d-4c1d-91b5-1cc94fa76059"}
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 0xc0b43f44160097a194027e0671eeb4ce13c4b311a7b70a216ce86514c0be5de7. Chain 2 (Bitcoin): anchored in block 954647 (2026-06-21T04:36:58Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/d8555f95-482d-4c1d-91b5-1cc94fa76059.json and https://artists.proofprofile.net/proofs/artist/d8555f95-482d-4c1d-91b5-1cc94fa76059.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-21T04:36:58Z
  text: {"copyright_id":"0xc0b43f44160097a194027e0671eeb4ce13c4b311a7b70a216ce86514c0be5de7","name":"Sakari Heikka","registered_at":"2026-06-21T03:25:12Z","symbol":"NIM1805296","token_address":"0x07424739263ab54cc73e85533a0b8f91e6962d7b","type":"artist","uuid":"d8555f95-482d-4c1d-91b5-1cc94fa76059"}
album: Sketches of Time and Timbre
  type: MusicAlbum
  date published: 2024-01-30