Centaurus A
type: MusicGroup
genre: downtempo
genre: organic house
description: Centaurus A (also known as NGC 5128 or Caldwell 77) is a galaxy in the constellation of Centaurus. It was discovered in 1826 by Scottish astronomer James Dunlop from his home in Parramatta, in New Sou
popularity: 5
followers: 406
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x3ca66f97a399917d5c7b4e21e89d14fb32883eab8581019e6214ee2e4341f9f1
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954174
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954174
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/7eaee398-78b9-4e8c-9f15-8e21e04024e9.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/7eaee398-78b9-4e8c-9f15-8e21e04024e9.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/7eaee398-78b9-4e8c-9f15-8e21e04024e9
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-18T03:01:36Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x3ca66f97a399917d5c7b4e21e89d14fb32883eab8581019e6214ee2e4341f9f1","name":"Centaurus A","registered_at":"2026-06-17T09:45:33Z","symbol":"NIM1356739","token_address":"0x90edd92f2b7447e9045fa077cf490883a9d0c53e","type":"artist","uuid":"7eaee398-78b9-4e8c-9f15-8e21e04024e9"}
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 0x3ca66f97a399917d5c7b4e21e89d14fb32883eab8581019e6214ee2e4341f9f1. Chain 2 (Bitcoin): anchored in block 954174 (2026-06-18T03:01:36Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/7eaee398-78b9-4e8c-9f15-8e21e04024e9.json and https://artists.proofprofile.net/proofs/artist/7eaee398-78b9-4e8c-9f15-8e21e04024e9.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-18T03:01:36Z
  text: {"copyright_id":"0x3ca66f97a399917d5c7b4e21e89d14fb32883eab8581019e6214ee2e4341f9f1","name":"Centaurus A","registered_at":"2026-06-17T09:45:33Z","symbol":"NIM1356739","token_address":"0x90edd92f2b7447e9045fa077cf490883a9d0c53e","type":"artist","uuid":"7eaee398-78b9-4e8c-9f15-8e21e04024e9"}
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