Robert Black
type: MusicGroup
description: Robert Black may refer to: Sports Robert Black (American football), American former head coach for the Sewanee college football team Bobby Black (rugby union) (1893–1916), New Zealand rugby union p
popularity: 29
followers: 110
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xb435927f4cf42bfa7a2cab86ea361ef050b94fb6d549d4b98a50cfb5514c4084
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953407
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953407
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/c00b5876-cca9-452d-a155-87372348898d.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/c00b5876-cca9-452d-a155-87372348898d.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/c00b5876-cca9-452d-a155-87372348898d
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-12T19:24:56Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xb435927f4cf42bfa7a2cab86ea361ef050b94fb6d549d4b98a50cfb5514c4084","name":"Robert Black","registered_at":"2026-06-12T08:52:19Z","symbol":"NIM0247820","token_address":"0xefb8e369353cce9bd978fce618ddf18770512353","type":"artist","uuid":"c00b5876-cca9-452d-a155-87372348898d"}
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 0xb435927f4cf42bfa7a2cab86ea361ef050b94fb6d549d4b98a50cfb5514c4084. Chain 2 (Bitcoin): anchored in block 953407 (2026-06-12T19:24:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/c00b5876-cca9-452d-a155-87372348898d.json and https://artists.proofprofile.net/proofs/artist/c00b5876-cca9-452d-a155-87372348898d.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-12T19:24:56Z
  text: {"copyright_id":"0xb435927f4cf42bfa7a2cab86ea361ef050b94fb6d549d4b98a50cfb5514c4084","name":"Robert Black","registered_at":"2026-06-12T08:52:19Z","symbol":"NIM0247820","token_address":"0xefb8e369353cce9bd978fce618ddf18770512353","type":"artist","uuid":"c00b5876-cca9-452d-a155-87372348898d"}
album: Better Way
  type: MusicAlbum
  date published: 2020-12-15
album: Back to Work
  type: MusicAlbum
  date published: 2021-11-30
album: Waiting room
  type: MusicAlbum
  date published: 2022-10-12
album: Waiting room
  type: MusicAlbum
  date published: 2022-10-12
album: Less is More
  type: MusicAlbum
  date published: 2022-12-14
album: Less is More
  type: MusicAlbum
  date published: 2022-12-14
album: Back To Work
  type: MusicAlbum
  date published: 2023-05-12