The Canadian Sweethearts
type: MusicGroup
genre: rockabilly
description: The Canadian Sweethearts, sometimes known as Bob & Lucille, were a Canadian singing duo who were popular during the 1960s, disbanding in 1977. The duo consisted of vocalist Lucille Starr and her guita
popularity: 4
followers: 115
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xdb48af372feaf453ca743e2d99c174585ed1a852105bf96351b34520a62486fc
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954055
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954055
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/431e5c32-6ed2-44b9-b929-11ba4acd4734.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/431e5c32-6ed2-44b9-b929-11ba4acd4734.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/431e5c32-6ed2-44b9-b929-11ba4acd4734
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-17T05:51:24Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xdb48af372feaf453ca743e2d99c174585ed1a852105bf96351b34520a62486fc","name":"The Canadian Sweethearts","registered_at":"2026-06-16T13:15:30Z","symbol":"NIM1063285","token_address":"0x9059487ce664667271638e59ffbb26b40501ba59","type":"artist","uuid":"431e5c32-6ed2-44b9-b929-11ba4acd4734"}
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 0xdb48af372feaf453ca743e2d99c174585ed1a852105bf96351b34520a62486fc. Chain 2 (Bitcoin): anchored in block 954055 (2026-06-17T05:51:24Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/431e5c32-6ed2-44b9-b929-11ba4acd4734.json and https://artists.proofprofile.net/proofs/artist/431e5c32-6ed2-44b9-b929-11ba4acd4734.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-17T05:51:24Z
  text: {"copyright_id":"0xdb48af372feaf453ca743e2d99c174585ed1a852105bf96351b34520a62486fc","name":"The Canadian Sweethearts","registered_at":"2026-06-16T13:15:30Z","symbol":"NIM1063285","token_address":"0x9059487ce664667271638e59ffbb26b40501ba59","type":"artist","uuid":"431e5c32-6ed2-44b9-b929-11ba4acd4734"}
album: Side By Side / Pop & Country (Expanded Edition)
  type: MusicAlbum
  date published: 1967-06-01
album: Side By Side Pop & Country
  type: MusicAlbum
  date published: 2004