Joe Black
type: MusicGroup
description: Joseph Black (February 8, 1924 – May 17, 2002) was an American professional baseball pitcher in the Negro leagues and Major League Baseball (MLB) for the Baltimore Elite Giants, Brooklyn Dodgers, Cinc
popularity: 9
followers: 86
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xa9916709c3017bb14c1076e002a462d4d030764f2790be110bb75bd7177b2e08
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953899
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953899
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/124db75a-476d-4e02-bf56-9fc4a9d11be9.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/124db75a-476d-4e02-bf56-9fc4a9d11be9.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/124db75a-476d-4e02-bf56-9fc4a9d11be9
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-16T06:37:25Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xa9916709c3017bb14c1076e002a462d4d030764f2790be110bb75bd7177b2e08","name":"Joe Black","registered_at":"2026-06-15T19:56:35Z","symbol":"NIM0815303","token_address":"0x585c735b4eb942e466324d151f27ec60015fb8cb","type":"artist","uuid":"124db75a-476d-4e02-bf56-9fc4a9d11be9"}
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 0xa9916709c3017bb14c1076e002a462d4d030764f2790be110bb75bd7177b2e08. Chain 2 (Bitcoin): anchored in block 953899 (2026-06-16T06:37:25Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/124db75a-476d-4e02-bf56-9fc4a9d11be9.json and https://artists.proofprofile.net/proofs/artist/124db75a-476d-4e02-bf56-9fc4a9d11be9.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-16T06:37:25Z
  text: {"copyright_id":"0xa9916709c3017bb14c1076e002a462d4d030764f2790be110bb75bd7177b2e08","name":"Joe Black","registered_at":"2026-06-15T19:56:35Z","symbol":"NIM0815303","token_address":"0x585c735b4eb942e466324d151f27ec60015fb8cb","type":"artist","uuid":"124db75a-476d-4e02-bf56-9fc4a9d11be9"}
album: Babylons Vermächtnis [Ein Konstantin Nikolaidis Thriller, Band 1 (Ungekürzt)]
  type: MusicAlbum
  date published: 2021-09-09
album: Das Kreuz des Vatikans [Ein Konstantin Nikolaidis Thriller, Band 2 (Ungekürzt)]
  type: MusicAlbum
  date published: 2023-05-11