Big Jack
type: MusicGroup
description: Big Jack may refer to: Arts and entertainment Big Jack (film), a 1949 film "Big Jack" (song), by Australian hard rock band AC/DC "The Big Jack", a track on the 1994 album Dance Naked by John Melle
popularity: 14
followers: 110
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x26008e19f7b5279fd16ef31aeee4bf639bd9f2a66ef027037ac9f3bd75df7cec
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953625
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953625
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/277b7803-43e0-4b8a-be9e-47e72fa8eea7.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/277b7803-43e0-4b8a-be9e-47e72fa8eea7.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/277b7803-43e0-4b8a-be9e-47e72fa8eea7
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-14T11:37:06Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x26008e19f7b5279fd16ef31aeee4bf639bd9f2a66ef027037ac9f3bd75df7cec","name":"Big Jack","registered_at":"2026-06-14T08:37:43Z","symbol":"NIM0397977","token_address":"0x86df8c8e2c3e62bccac162c421adff0f43b09e18","type":"artist","uuid":"277b7803-43e0-4b8a-be9e-47e72fa8eea7"}
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x26008e19f7b5279fd16ef31aeee4bf639bd9f2a66ef027037ac9f3bd75df7cec. Chain 2 (Bitcoin): anchored in block 953625 (2026-06-14T11:37:06Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/277b7803-43e0-4b8a-be9e-47e72fa8eea7.json and https://artists.proofprofile.net/proofs/artist/277b7803-43e0-4b8a-be9e-47e72fa8eea7.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-14T11:37:06Z
  text: {"copyright_id":"0x26008e19f7b5279fd16ef31aeee4bf639bd9f2a66ef027037ac9f3bd75df7cec","name":"Big Jack","registered_at":"2026-06-14T08:37:43Z","symbol":"NIM0397977","token_address":"0x86df8c8e2c3e62bccac162c421adff0f43b09e18","type":"artist","uuid":"277b7803-43e0-4b8a-be9e-47e72fa8eea7"}