Jan Schelhaas
type: MusicGroup
genre: progressive rock
description: Jan Russell Schelhaas (born 11 March 1948) is an English musician, mostly known as the keyboard player from the bands Caravan and Camel. Biography Schelhaas was born in Liverpool, where he started hi
popularity: 4
followers: 188
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xd809492d5496de107e8977a3a852f6d8db61653eab984a4a7f89b5382176f0f8
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954667
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954667
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/b01b73e3-4717-466b-af00-b5376b8140ba.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/b01b73e3-4717-466b-af00-b5376b8140ba.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/b01b73e3-4717-466b-af00-b5376b8140ba
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-21T07:29:20Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xd809492d5496de107e8977a3a852f6d8db61653eab984a4a7f89b5382176f0f8","name":"Jan Schelhaas","registered_at":"2026-06-20T12:04:37Z","symbol":"NIM1607574","token_address":"0x904fee4822f3bcb8fe1ebd6bded5d1763d78316d","type":"artist","uuid":"b01b73e3-4717-466b-af00-b5376b8140ba"}
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 0xd809492d5496de107e8977a3a852f6d8db61653eab984a4a7f89b5382176f0f8. Chain 2 (Bitcoin): anchored in block 954667 (2026-06-21T07:29:20Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/b01b73e3-4717-466b-af00-b5376b8140ba.json and https://artists.proofprofile.net/proofs/artist/b01b73e3-4717-466b-af00-b5376b8140ba.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-21T07:29:20Z
  text: {"copyright_id":"0xd809492d5496de107e8977a3a852f6d8db61653eab984a4a7f89b5382176f0f8","name":"Jan Schelhaas","registered_at":"2026-06-20T12:04:37Z","symbol":"NIM1607574","token_address":"0x904fee4822f3bcb8fe1ebd6bded5d1763d78316d","type":"artist","uuid":"b01b73e3-4717-466b-af00-b5376b8140ba"}
album: Dark Ships
  type: MusicAlbum
  date published: 2008-06-19
album: Living on a little Blue Dot
  type: MusicAlbum
  date published: 2017-03-29
album: Goodnight to the Birdman
  type: MusicAlbum
  date published: 2020-05-26
album: Dark Ships
  type: MusicAlbum
  date published: 2021-03-26
album: Living on a Little Blue Dot (2021 Remastered Version)
  type: MusicAlbum
  date published: 2021-05-21
album: Ghosts of Eden (2021 Remastered Version)
  type: MusicAlbum
  date published: 2021-07-09