ROLAND STONE
type: MusicGroup
genre: rap metal
description: Roland Stone (born Roland LeBlanc, 12 August 1941 – 22 December 1999) was an American rhythm and blues and pop singer who performed and recorded in New Orleans between the 1950s and 1990s. Singer Aar
popularity: 2
followers: 91
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x0e17dc5500de6b560de303960ebc4ec90df6c88f117817bb58c2419aa6d5ddf9
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/7709b238-2473-467d-a8e6-d0f1315ec4b8.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/7709b238-2473-467d-a8e6-d0f1315ec4b8.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/7709b238-2473-467d-a8e6-d0f1315ec4b8
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-17T08:11:48Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x0e17dc5500de6b560de303960ebc4ec90df6c88f117817bb58c2419aa6d5ddf9","name":"ROLAND STONE","registered_at":"2026-06-17T07:06:52Z","symbol":"NIM1318927","token_address":"0x5d04ed6129893e5689c47556cbf44582ba4b2632","type":"artist","uuid":"7709b238-2473-467d-a8e6-d0f1315ec4b8"}
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 0x0e17dc5500de6b560de303960ebc4ec90df6c88f117817bb58c2419aa6d5ddf9. 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/7709b238-2473-467d-a8e6-d0f1315ec4b8.json and https://artists.proofprofile.net/proofs/artist/7709b238-2473-467d-a8e6-d0f1315ec4b8.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-17T08:11:48Z
  text: {"copyright_id":"0x0e17dc5500de6b560de303960ebc4ec90df6c88f117817bb58c2419aa6d5ddf9","name":"ROLAND STONE","registered_at":"2026-06-17T07:06:52Z","symbol":"NIM1318927","token_address":"0x5d04ed6129893e5689c47556cbf44582ba4b2632","type":"artist","uuid":"7709b238-2473-467d-a8e6-d0f1315ec4b8"}
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