Sergey Filippov
type: MusicGroup
genre: deep house
description: Sergey Nikolayevich Filippov (, 24 June 1912 — 19 April 1990) was a Soviet and Russian film and stage actor and comedian, best known for his parts in films Adventures of Korzinkina (1941), The Night P
popularity: 19
followers: 83
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x577d7cf44b5b6e90952f2920274040eaa9320120cc20d461d4866d2c4146469f
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953704
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953704
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/7857c6f5-c136-4eaf-87db-d55164de892d.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/7857c6f5-c136-4eaf-87db-d55164de892d.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/7857c6f5-c136-4eaf-87db-d55164de892d
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-14T22:58:38Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x577d7cf44b5b6e90952f2920274040eaa9320120cc20d461d4866d2c4146469f","name":"Sergey Filippov","registered_at":"2026-06-14T17:03:03Z","symbol":"NIM0518549","token_address":"0xcb5daf6c252c71ec88acb47e2b5a7b9e8bdce9fa","type":"artist","uuid":"7857c6f5-c136-4eaf-87db-d55164de892d"}
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 0x577d7cf44b5b6e90952f2920274040eaa9320120cc20d461d4866d2c4146469f. Chain 2 (Bitcoin): anchored in block 953704 (2026-06-14T22:58:38Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/7857c6f5-c136-4eaf-87db-d55164de892d.json and https://artists.proofprofile.net/proofs/artist/7857c6f5-c136-4eaf-87db-d55164de892d.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-14T22:58:38Z
  text: {"copyright_id":"0x577d7cf44b5b6e90952f2920274040eaa9320120cc20d461d4866d2c4146469f","name":"Sergey Filippov","registered_at":"2026-06-14T17:03:03Z","symbol":"NIM0518549","token_address":"0xcb5daf6c252c71ec88acb47e2b5a7b9e8bdce9fa","type":"artist","uuid":"7857c6f5-c136-4eaf-87db-d55164de892d"}
album: Recuerdos del Verano
  type: MusicAlbum
  date published: 2019-11-23
album: Through the Clouds
  type: MusicAlbum
  date published: 2020-01-17
album: Through the Clouds
  type: MusicAlbum
  date published: 2020-01-17
album: Sophie
  type: MusicAlbum
  date published: 2020-01-20