Bobby Mitchell
type: MusicGroup
genre: chamber music
genre: classical piano
description: Robert Cornelius Mitchell (June 6, 1935 – April 5, 2020) was an American professional football player who was a halfback and wide receiver in the National Football League (NFL). He played college foot
popularity: 4
followers: 58
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x234ecc5aa32ceebc95348191dfa2b15b6e0e6dff4f9585517fb5784e8131c213
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/6797cc42-d4a8-4411-85ea-09254a2d9efa.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/6797cc42-d4a8-4411-85ea-09254a2d9efa.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/6797cc42-d4a8-4411-85ea-09254a2d9efa
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-17T08:11:48Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x234ecc5aa32ceebc95348191dfa2b15b6e0e6dff4f9585517fb5784e8131c213","name":"Bobby Mitchell","registered_at":"2026-06-17T01:37:27Z","symbol":"NIM1240310","token_address":"0xba05268c684d0ee45216eb7e0adbb7e89059757b","type":"artist","uuid":"6797cc42-d4a8-4411-85ea-09254a2d9efa"}
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 0x234ecc5aa32ceebc95348191dfa2b15b6e0e6dff4f9585517fb5784e8131c213. 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/6797cc42-d4a8-4411-85ea-09254a2d9efa.json and https://artists.proofprofile.net/proofs/artist/6797cc42-d4a8-4411-85ea-09254a2d9efa.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-17T08:11:48Z
  text: {"copyright_id":"0x234ecc5aa32ceebc95348191dfa2b15b6e0e6dff4f9585517fb5784e8131c213","name":"Bobby Mitchell","registered_at":"2026-06-17T01:37:27Z","symbol":"NIM1240310","token_address":"0xba05268c684d0ee45216eb7e0adbb7e89059757b","type":"artist","uuid":"6797cc42-d4a8-4411-85ea-09254a2d9efa"}
album: Haydn: Fortepiano Sonatas, Adagio & Variations
  type: MusicAlbum
  date published: 2014-06-03
album: Haydn: Fortepiano Sonatas, Adagio & Variations
  type: MusicAlbum
  date published: 2014-06-09
album: De Vries, Beethoven: Two Sonatas
  type: MusicAlbum
  date published: 2024-10-11