Periklis Papapetropoulos
type: MusicGroup
genre: traditional music
popularity: 8
followers: 311
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x1613136dc6cb1b010887971934641c4a75ba09ce08aba8cebf4490d58f3942f6
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953867
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953867
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/05bc7aa5-12c3-4c04-bf3c-047de1336b14.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/05bc7aa5-12c3-4c04-bf3c-047de1336b14.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/05bc7aa5-12c3-4c04-bf3c-047de1336b14
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-16T01:09:47Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x1613136dc6cb1b010887971934641c4a75ba09ce08aba8cebf4490d58f3942f6","name":"Periklis Papapetropoulos","registered_at":"2026-06-15T15:26:19Z","symbol":"NIM0750806","token_address":"0x0524f3cc3b5b69cd3eadb8b64aded9d65561800a","type":"artist","uuid":"05bc7aa5-12c3-4c04-bf3c-047de1336b14"}
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 0x1613136dc6cb1b010887971934641c4a75ba09ce08aba8cebf4490d58f3942f6. Chain 2 (Bitcoin): anchored in block 953877 (2026-06-16T02:39:16Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/05bc7aa5-12c3-4c04-bf3c-047de1336b14.json and https://artists.proofprofile.net/proofs/artist/05bc7aa5-12c3-4c04-bf3c-047de1336b14.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-16T02:39:16Z
  text: {"copyright_id":"0x1613136dc6cb1b010887971934641c4a75ba09ce08aba8cebf4490d58f3942f6","name":"Periklis Papapetropoulos","registered_at":"2026-06-15T15:26:19Z","symbol":"NIM0750806","token_address":"0x0524f3cc3b5b69cd3eadb8b64aded9d65561800a","type":"artist","uuid":"05bc7aa5-12c3-4c04-bf3c-047de1336b14"}
album: The Light of East
  type: MusicAlbum
  date published: 1995
album: The Greek Folk Instruments Vol.8 : Sazi
  type: MusicAlbum
  date published: 1995-06-27
album: Greatest Greek Musicians: 10 Magic Tracks (Tambouras: Greek Traditional String Instrument)
  type: MusicAlbum
  date published: 2016-11-24