Jack Topping
type: MusicGroup
description: Jack Topping (born c. 2002) is an English chorister who came to public attention during 2013 for his solo vocal performances."Choirboy Jack Topping in race for Christmas number one", The Daily Telegra
popularity: 2
followers: 114
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x7ec16bacf96ab00ab675b9acdd3e757cf8fb19aee1361980c4a1a26518016fdd
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/658f4602-8ab3-44f9-a45e-804385ded40e.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/658f4602-8ab3-44f9-a45e-804385ded40e.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/658f4602-8ab3-44f9-a45e-804385ded40e
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-17T08:11:48Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x7ec16bacf96ab00ab675b9acdd3e757cf8fb19aee1361980c4a1a26518016fdd","name":"Jack Topping","registered_at":"2026-06-17T01:07:28Z","symbol":"NIM1233150","token_address":"0x5a112654ad35039f80c607d6743ce8ed8d24c57b","type":"artist","uuid":"658f4602-8ab3-44f9-a45e-804385ded40e"}
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 0x7ec16bacf96ab00ab675b9acdd3e757cf8fb19aee1361980c4a1a26518016fdd. 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/658f4602-8ab3-44f9-a45e-804385ded40e.json and https://artists.proofprofile.net/proofs/artist/658f4602-8ab3-44f9-a45e-804385ded40e.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-17T08:11:48Z
  text: {"copyright_id":"0x7ec16bacf96ab00ab675b9acdd3e757cf8fb19aee1361980c4a1a26518016fdd","name":"Jack Topping","registered_at":"2026-06-17T01:07:28Z","symbol":"NIM1233150","token_address":"0x5a112654ad35039f80c607d6743ce8ed8d24c57b","type":"artist","uuid":"658f4602-8ab3-44f9-a45e-804385ded40e"}
album: Wonderful World
  type: MusicAlbum
  date published: 2013-01-01
album: Wonderful World (Deluxe Edition)
  type: MusicAlbum
  date published: 2013-01-01
album: Introducing Jack: The Classical EP
  type: MusicAlbum
  date published: 2013-01-01