Marshall Okell
type: MusicGroup
popularity: 5
followers: 895
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xc791601275d486c89aeab277741e0e558dedeed9129e043e988f23fc92c7a3d4
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953922
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953922
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/1b84cd38-6cf0-4f0a-a4c8-a49c903237ee.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/1b84cd38-6cf0-4f0a-a4c8-a49c903237ee.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/1b84cd38-6cf0-4f0a-a4c8-a49c903237ee
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-16T09:36:34Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xc791601275d486c89aeab277741e0e558dedeed9129e043e988f23fc92c7a3d4","name":"Marshall Okell","registered_at":"2026-06-15T23:09:56Z","symbol":"NIM0861414","token_address":"0x170b1c59991aeedc7e81ccb5f28b77f64924a60c","type":"artist","uuid":"1b84cd38-6cf0-4f0a-a4c8-a49c903237ee"}
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 0xc791601275d486c89aeab277741e0e558dedeed9129e043e988f23fc92c7a3d4. Chain 2 (Bitcoin): anchored in block 953922 (2026-06-16T09:36:34Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/1b84cd38-6cf0-4f0a-a4c8-a49c903237ee.json and https://artists.proofprofile.net/proofs/artist/1b84cd38-6cf0-4f0a-a4c8-a49c903237ee.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-16T09:36:34Z
  text: {"copyright_id":"0xc791601275d486c89aeab277741e0e558dedeed9129e043e988f23fc92c7a3d4","name":"Marshall Okell","registered_at":"2026-06-15T23:09:56Z","symbol":"NIM0861414","token_address":"0x170b1c59991aeedc7e81ccb5f28b77f64924a60c","type":"artist","uuid":"1b84cd38-6cf0-4f0a-a4c8-a49c903237ee"}
album: Sugar EP
  type: MusicAlbum
  date published: 2012-03-01
album: Marshall OKell - Birdy
  type: MusicAlbum
  date published: 2013-04-17
album: Birdy
  type: MusicAlbum
  date published: 2013-06-25
album: Sipping on Rocket Fuel
  type: MusicAlbum
  date published: 2015-10-01