Keith Cross
type: MusicGroup
genre: folk rock
description: Keith Austin Cross (8 June 1928 — 29 January 2011) was an Australian rugby union international. Educated at Sydney Boys High School, Cross was a 1st XV player, ran in the school relay team, won a Com
popularity: 3
followers: 122
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x868c9742f792483ec84f32b76ae319a4f4ff226ad466a2753b3a52e217000e23
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/5b2ca3fe-e8e7-4440-93eb-baffc52d5bd1.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/5b2ca3fe-e8e7-4440-93eb-baffc52d5bd1.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/5b2ca3fe-e8e7-4440-93eb-baffc52d5bd1
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-17T08:11:48Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x868c9742f792483ec84f32b76ae319a4f4ff226ad466a2753b3a52e217000e23","name":"Keith Cross","registered_at":"2026-06-16T21:24:01Z","symbol":"NIM1179861","token_address":"0xfcd94127f262d7c8cc26e84f996e4f50f2c2bc3e","type":"artist","uuid":"5b2ca3fe-e8e7-4440-93eb-baffc52d5bd1"}
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 0x868c9742f792483ec84f32b76ae319a4f4ff226ad466a2753b3a52e217000e23. 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/5b2ca3fe-e8e7-4440-93eb-baffc52d5bd1.json and https://artists.proofprofile.net/proofs/artist/5b2ca3fe-e8e7-4440-93eb-baffc52d5bd1.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-17T08:11:48Z
  text: {"copyright_id":"0x868c9742f792483ec84f32b76ae319a4f4ff226ad466a2753b3a52e217000e23","name":"Keith Cross","registered_at":"2026-06-16T21:24:01Z","symbol":"NIM1179861","token_address":"0xfcd94127f262d7c8cc26e84f996e4f50f2c2bc3e","type":"artist","uuid":"5b2ca3fe-e8e7-4440-93eb-baffc52d5bd1"}
album: Bored Civilians
  type: MusicAlbum
  date published: 1972-01-01
album: Look Both Ways
  type: MusicAlbum
  date published: 2008