John Gavin
type: MusicGroup
genre: acoustic rock
genre: singer-songwriter
description: John Gavin (born Juan Vincent Apablasa; April 8, 1931 – February 9, 2018) was an American actor and diplomat who was the president of the Screen Actors Guild (1971–1973), and the United States Ambassa
popularity: 3
followers: 25
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x0805486b788bb88f87442ff38f0e9d50a2f3a2d8511ffcbd15915280bbc8c988
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954066
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954066
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/5ec4880f-c1aa-40e6-8756-b5e8204fdb21.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/5ec4880f-c1aa-40e6-8756-b5e8204fdb21.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/5ec4880f-c1aa-40e6-8756-b5e8204fdb21
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-17T08:11:48Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x0805486b788bb88f87442ff38f0e9d50a2f3a2d8511ffcbd15915280bbc8c988","name":"John Gavin","registered_at":"2026-06-16T22:34:20Z","symbol":"NIM1196630","token_address":"0x09992464da1d5fbe361fdf609da8c6e8cab39889","type":"artist","uuid":"5ec4880f-c1aa-40e6-8756-b5e8204fdb21"}
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 0x0805486b788bb88f87442ff38f0e9d50a2f3a2d8511ffcbd15915280bbc8c988. Chain 2 (Bitcoin): anchored in block 954066 (2026-06-17T08:11:48Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/5ec4880f-c1aa-40e6-8756-b5e8204fdb21.json and https://artists.proofprofile.net/proofs/artist/5ec4880f-c1aa-40e6-8756-b5e8204fdb21.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-17T08:11:48Z
  text: {"copyright_id":"0x0805486b788bb88f87442ff38f0e9d50a2f3a2d8511ffcbd15915280bbc8c988","name":"John Gavin","registered_at":"2026-06-16T22:34:20Z","symbol":"NIM1196630","token_address":"0x09992464da1d5fbe361fdf609da8c6e8cab39889","type":"artist","uuid":"5ec4880f-c1aa-40e6-8756-b5e8204fdb21"}
album: He Said She Said (Live)
  type: MusicAlbum
  date published: 2023-07-14
album: He Said She Said (Live)
  type: MusicAlbum
  date published: 2023-07-14
album: It's No Accident (Live)
  type: MusicAlbum
  date published: 2023-08-11
album: It's No Accident (Live)
  type: MusicAlbum
  date published: 2023-08-11
album: Beauty is in the Eye of the Beholder (Demo)
  type: MusicAlbum
  date published: 2024-02-24
album: So Close So Near (Demo)
  type: MusicAlbum
  date published: 2024-04-20