Johnny Collins
type: MusicGroup
genre: sea shanties
description: Johnny Collins (10 May 1938 – 6 July 2009) was an English folk singer based in London, England, specializing in traditional maritime music and sea shanties. Biography Collins was born in Norfolk, E
popularity: 4
followers: 922
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xa61a91c9ef63d4d7163121909de17251c044b678f3845f5609fe228c618cccd0
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/775b7e9f-c084-4598-8245-477b2bbe0902.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/775b7e9f-c084-4598-8245-477b2bbe0902.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/775b7e9f-c084-4598-8245-477b2bbe0902
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-17T08:11:48Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xa61a91c9ef63d4d7163121909de17251c044b678f3845f5609fe228c618cccd0","name":"Johnny Collins","registered_at":"2026-06-17T07:17:10Z","symbol":"NIM1321385","token_address":"0xb1ea97cd1f1b0e3013bc3eb4b6be0c1c57e3de13","type":"artist","uuid":"775b7e9f-c084-4598-8245-477b2bbe0902"}
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 0xa61a91c9ef63d4d7163121909de17251c044b678f3845f5609fe228c618cccd0. Chain 2 (Bitcoin): anchored in block 954115 (2026-06-17T15:44:10Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/775b7e9f-c084-4598-8245-477b2bbe0902.json and https://artists.proofprofile.net/proofs/artist/775b7e9f-c084-4598-8245-477b2bbe0902.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-17T15:44:10Z
  text: {"copyright_id":"0xa61a91c9ef63d4d7163121909de17251c044b678f3845f5609fe228c618cccd0","name":"Johnny Collins","registered_at":"2026-06-17T07:17:10Z","symbol":"NIM1321385","token_address":"0xb1ea97cd1f1b0e3013bc3eb4b6be0c1c57e3de13","type":"artist","uuid":"775b7e9f-c084-4598-8245-477b2bbe0902"}
album: Free & Easy
  type: MusicAlbum
  date published: 1982-01-01
album: Free & Easy
  type: MusicAlbum
  date published: 1982-01-01
album: Now and Then
  type: MusicAlbum
  date published: 2009-10-07
album: Pedlar of Songs
  type: MusicAlbum
  date published: 2009-10-07