Reginald Underwood
type: MusicGroup
description: Reginald ("Reg") Underwood, member of the Tsawout First Nation, near Victoria, British Columbia, made his name known as an elite athlete competing in softball as an outfielder for the Victoria Bate te
popularity: 8
followers: 427
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x2b437df2bbabe9f953c5fd7bdb4eeb2b14a6aab8608d45332aab3f8bd58201ce
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953895
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953895
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/0ebc77df-bdee-458a-9397-d59d11fc2cc1.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/0ebc77df-bdee-458a-9397-d59d11fc2cc1.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/0ebc77df-bdee-458a-9397-d59d11fc2cc1
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-16T05:46:35Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x2b437df2bbabe9f953c5fd7bdb4eeb2b14a6aab8608d45332aab3f8bd58201ce","name":"Reginald Underwood","registered_at":"2026-06-15T18:44:48Z","symbol":"NIM0798180","token_address":"0x91fd5cbb1b3f2c7809e2197723009b6968952309","type":"artist","uuid":"0ebc77df-bdee-458a-9397-d59d11fc2cc1"}
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 0x2b437df2bbabe9f953c5fd7bdb4eeb2b14a6aab8608d45332aab3f8bd58201ce. Chain 2 (Bitcoin): anchored in block 953895 (2026-06-16T05:46:35Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/0ebc77df-bdee-458a-9397-d59d11fc2cc1.json and https://artists.proofprofile.net/proofs/artist/0ebc77df-bdee-458a-9397-d59d11fc2cc1.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-16T05:46:35Z
  text: {"copyright_id":"0x2b437df2bbabe9f953c5fd7bdb4eeb2b14a6aab8608d45332aab3f8bd58201ce","name":"Reginald Underwood","registered_at":"2026-06-15T18:44:48Z","symbol":"NIM0798180","token_address":"0x91fd5cbb1b3f2c7809e2197723009b6968952309","type":"artist","uuid":"0ebc77df-bdee-458a-9397-d59d11fc2cc1"}
album: No Brains
  type: MusicAlbum
  date published: 2024-05-17