Mihalis Kalkanis
type: MusicGroup
popularity: 6
followers: 899
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x6a3eb4bbcea834a888d7617a5ce1cf7ce09823ff3e745c9189e700d01a60f1e7
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954062
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954062
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/464befcb-d54d-4d2a-a5bc-f53c65717778.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/464befcb-d54d-4d2a-a5bc-f53c65717778.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/464befcb-d54d-4d2a-a5bc-f53c65717778
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-17T07:39:10Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x6a3eb4bbcea834a888d7617a5ce1cf7ce09823ff3e745c9189e700d01a60f1e7","name":"Mihalis Kalkanis","registered_at":"2026-06-16T14:04:35Z","symbol":"NIM1074993","token_address":"0xabbec5480082b17299a2305f564fa5ce045cdabe","type":"artist","uuid":"464befcb-d54d-4d2a-a5bc-f53c65717778"}
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6a3eb4bbcea834a888d7617a5ce1cf7ce09823ff3e745c9189e700d01a60f1e7. Chain 2 (Bitcoin): anchored in block 954062 (2026-06-17T07:39:10Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/464befcb-d54d-4d2a-a5bc-f53c65717778.json and https://artists.proofprofile.net/proofs/artist/464befcb-d54d-4d2a-a5bc-f53c65717778.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-17T07:39:10Z
  text: {"copyright_id":"0x6a3eb4bbcea834a888d7617a5ce1cf7ce09823ff3e745c9189e700d01a60f1e7","name":"Mihalis Kalkanis","registered_at":"2026-06-16T14:04:35Z","symbol":"NIM1074993","token_address":"0xabbec5480082b17299a2305f564fa5ce045cdabe","type":"artist","uuid":"464befcb-d54d-4d2a-a5bc-f53c65717778"}
album: Scarborough Tales
  type: MusicAlbum
  date published: 2005-09-01
album: Mia Riza
  type: MusicAlbum
  date published: 2013-06-25
album: A Parking Lot Performance
  type: MusicAlbum
  date published: 2013-11-14
album: Parking Lot (Studio Version)
  type: MusicAlbum
  date published: 2014-01-17
album: World Echoes in Athens
  type: MusicAlbum
  date published: 2015-11-19
album: By Feel
  type: MusicAlbum
  date published: 2018-10-31
album: Keep Dreaming
  type: MusicAlbum
  date published: 2022-03-18
album: Believe
  type: MusicAlbum
  date published: 2022-04-20
album: Emotions
  type: MusicAlbum
  date published: 2022-06-10
album: Kalokairi Mou Myrizei
  type: MusicAlbum
  date published: 2023-08-04