The Doctor Captain
type: MusicGroup
genre: electro house
popularity: 6
followers: 5
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x7a9593bd0957ec474bc6b77f5fd42f52ed54868ae60b66411b9a9ed04a3d2161
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954631
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954631
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/d03a003a-b8d0-458c-b6f0-23a67f5c3558.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/d03a003a-b8d0-458c-b6f0-23a67f5c3558.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/d03a003a-b8d0-458c-b6f0-23a67f5c3558
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-21T02:46:24Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x7a9593bd0957ec474bc6b77f5fd42f52ed54868ae60b66411b9a9ed04a3d2161","name":"The Doctor Captain","registered_at":"2026-06-21T00:48:59Z","symbol":"NIM1768153","token_address":"0x7186b9838eced86cb1cf3d77870ffffb1208bc49","type":"artist","uuid":"d03a003a-b8d0-458c-b6f0-23a67f5c3558"}
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 0x7a9593bd0957ec474bc6b77f5fd42f52ed54868ae60b66411b9a9ed04a3d2161. Chain 2 (Bitcoin): anchored in block 954631 (2026-06-21T02:46:24Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/d03a003a-b8d0-458c-b6f0-23a67f5c3558.json and https://artists.proofprofile.net/proofs/artist/d03a003a-b8d0-458c-b6f0-23a67f5c3558.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-21T02:46:24Z
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Clockwork
type: MusicAlbum
date published: 2022-10-28

Knocked for a Loop
type: MusicAlbum
date published: 2022-10-31

Jazz on Tap
type: MusicAlbum
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Close the Loop
type: MusicAlbum
date published: 2022-11-13

Big City Life
type: MusicAlbum
date published: 2022-11-16

In the Loop
type: MusicAlbum
date published: 2022-12-09

Loop You In
type: MusicAlbum
date published: 2023-01-01