Koula Nikolaidou
type: MusicGroup
genre: laïko
popularity: 4
followers: 146
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xac84c92b30ec0b411dee26b2bbff2a78b7271170f3a3e9cf5d87ae0854a998c6
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953895
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953895
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/0e7dab48-f9d0-480d-971b-f7fd7eee6511.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/0e7dab48-f9d0-480d-971b-f7fd7eee6511.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/0e7dab48-f9d0-480d-971b-f7fd7eee6511
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-16T05:46:35Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xac84c92b30ec0b411dee26b2bbff2a78b7271170f3a3e9cf5d87ae0854a998c6","name":"Koula Nikolaidou","registered_at":"2026-06-15T18:49:57Z","symbol":"NIM0799409","token_address":"0x2aeb560c9a67e84f236378792a801e09f41698e5","type":"artist","uuid":"0e7dab48-f9d0-480d-971b-f7fd7eee6511"}
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 0xac84c92b30ec0b411dee26b2bbff2a78b7271170f3a3e9cf5d87ae0854a998c6. 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/0e7dab48-f9d0-480d-971b-f7fd7eee6511.json and https://artists.proofprofile.net/proofs/artist/0e7dab48-f9d0-480d-971b-f7fd7eee6511.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-16T13:28:01Z
  text: {"copyright_id":"0xac84c92b30ec0b411dee26b2bbff2a78b7271170f3a3e9cf5d87ae0854a998c6","name":"Koula Nikolaidou","registered_at":"2026-06-15T18:49:57Z","symbol":"NIM0799409","token_address":"0x2aeb560c9a67e84f236378792a801e09f41698e5","type":"artist","uuid":"0e7dab48-f9d0-480d-971b-f7fd7eee6511"}
album: Na to Paris to Koritsi (1937-1947), Vol. 1
  type: MusicAlbum
  date published: 2019-11-10
album: Na 'Rthis Stis Efta to Vradi 1948, Vol. 2
  type: MusicAlbum
  date published: 2019-11-12
album: Vradia Tis Athinas (1947-1954), Vol. 3
  type: MusicAlbum
  date published: 2019-11-14