Sakari Kukko
type: MusicGroup
genre: finnish rock
genre: free jazz
description: Jyrki Sakari Kukko, (born 8 July 1953, Kajaani, Finland) is a Finnish musician.Rantala, Risto (main ed.): Who's who: Personal data about the current generation of Finns 2007. Helsinki: Otava, 2006. IS
popularity: 4
followers: 278
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x2c7f644ff2d9831d1599e695de3a511e042bd1ed5672ab671a57810b7e2584f0
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953947
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953947
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/22c38f4c-479a-4fac-b61a-cae3810f0471.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/22c38f4c-479a-4fac-b61a-cae3810f0471.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/22c38f4c-479a-4fac-b61a-cae3810f0471
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-16T13:14:26Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x2c7f644ff2d9831d1599e695de3a511e042bd1ed5672ab671a57810b7e2584f0","name":"Sakari Kukko","registered_at":"2026-06-16T01:32:45Z","symbol":"NIM0895513","token_address":"0xa27b0d134ccd58601ae457c65813a395f717b699","type":"artist","uuid":"22c38f4c-479a-4fac-b61a-cae3810f0471"}
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 0x2c7f644ff2d9831d1599e695de3a511e042bd1ed5672ab671a57810b7e2584f0. Chain 2 (Bitcoin): anchored in block 953949 (2026-06-16T13:28:01Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/22c38f4c-479a-4fac-b61a-cae3810f0471.json and https://artists.proofprofile.net/proofs/artist/22c38f4c-479a-4fac-b61a-cae3810f0471.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-16T13:28:01Z
  text: {"copyright_id":"0x2c7f644ff2d9831d1599e695de3a511e042bd1ed5672ab671a57810b7e2584f0","name":"Sakari Kukko","registered_at":"2026-06-16T01:32:45Z","symbol":"NIM0895513","token_address":"0xa27b0d134ccd58601ae457c65813a395f717b699","type":"artist","uuid":"22c38f4c-479a-4fac-b61a-cae3810f0471"}
album: Kajastus
  type: MusicAlbum
  date published: 1979
album: Kirkastus
  type: MusicAlbum
  date published: 1981
album: Kirkastus
  type: MusicAlbum
  date published: 1991
album: Virret (Spirituals from the North)
  type: MusicAlbum
  date published: 2001-10-22
album: Joulu (Christmas Music from the North)
  type: MusicAlbum
  date published: 2003-10-27
album: Soi Kiitos
  type: MusicAlbum
  date published: 2009-06-03
album: Paratiisi
  type: MusicAlbum
  date published: 2011-11-23