Etage Neun
type: MusicGroup
genre: ebm
genre: synthpop
popularity: 4
followers: 658
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x9b8c522bdfb757d75da71381ea138a403e0222e8304fe8eb4686a82824d8e29d
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954659
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954659
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/dc82750f-78d0-4d85-a569-4c988471dca5.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/dc82750f-78d0-4d85-a569-4c988471dca5.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/dc82750f-78d0-4d85-a569-4c988471dca5
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-21T06:14:42Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x9b8c522bdfb757d75da71381ea138a403e0222e8304fe8eb4686a82824d8e29d","name":"Etage Neun","registered_at":"2026-06-21T05:11:41Z","symbol":"NIM1830068","token_address":"0x51c6dfc65fd76489b3856b7017ed37e695174aed","type":"artist","uuid":"dc82750f-78d0-4d85-a569-4c988471dca5"}
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 0x9b8c522bdfb757d75da71381ea138a403e0222e8304fe8eb4686a82824d8e29d. Chain 2 (Bitcoin): anchored in block 954659 (2026-06-21T06:14:42Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/dc82750f-78d0-4d85-a569-4c988471dca5.json and https://artists.proofprofile.net/proofs/artist/dc82750f-78d0-4d85-a569-4c988471dca5.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-21T06:14:42Z
  text: {"copyright_id":"0x9b8c522bdfb757d75da71381ea138a403e0222e8304fe8eb4686a82824d8e29d","name":"Etage Neun","registered_at":"2026-06-21T05:11:41Z","symbol":"NIM1830068","token_address":"0x51c6dfc65fd76489b3856b7017ed37e695174aed","type":"artist","uuid":"dc82750f-78d0-4d85-a569-4c988471dca5"}
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