Black Steve
type: MusicGroup
genre: grime
popularity: 11
followers: 1701
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x8b40f593d5b0ad70c1008cbe54f3e82384714b6e70274f5511dc2e60a7a27606
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953762
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953762
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/b8a130db-b23c-4991-ad88-62bb04e6861b.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/b8a130db-b23c-4991-ad88-62bb04e6861b.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/b8a130db-b23c-4991-ad88-62bb04e6861b
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-15T08:21:23Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x8b40f593d5b0ad70c1008cbe54f3e82384714b6e70274f5511dc2e60a7a27606","name":"Black Steve","registered_at":"2026-06-14T23:57:59Z","symbol":"NIM0617493","token_address":"0x04c19e46a512e8abad410fe571a46775e32b647f","type":"artist","uuid":"b8a130db-b23c-4991-ad88-62bb04e6861b"}
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 0x8b40f593d5b0ad70c1008cbe54f3e82384714b6e70274f5511dc2e60a7a27606. Chain 2 (Bitcoin): anchored in block 953778 (2026-06-15T11:57:35Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/b8a130db-b23c-4991-ad88-62bb04e6861b.json and https://artists.proofprofile.net/proofs/artist/b8a130db-b23c-4991-ad88-62bb04e6861b.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-15T11:57:35Z
  text: {"copyright_id":"0x8b40f593d5b0ad70c1008cbe54f3e82384714b6e70274f5511dc2e60a7a27606","name":"Black Steve","registered_at":"2026-06-14T23:57:59Z","symbol":"NIM0617493","token_address":"0x04c19e46a512e8abad410fe571a46775e32b647f","type":"artist","uuid":"b8a130db-b23c-4991-ad88-62bb04e6861b"}
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