Mars Hall
type: MusicGroup
genre: country hip hop
genre: horrorcore
popularity: 12
followers: 1155
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xbba8b383e58cd1f272c5c3d2eb8e7dfed44bdf67feea8c19d900a552da4e6b9a
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953654
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953654
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/484e5f96-e9b7-486d-8e9e-b52ac3c9fc89.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/484e5f96-e9b7-486d-8e9e-b52ac3c9fc89.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/484e5f96-e9b7-486d-8e9e-b52ac3c9fc89
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-14T16:26:51Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xbba8b383e58cd1f272c5c3d2eb8e7dfed44bdf67feea8c19d900a552da4e6b9a","name":"Mars Hall","registered_at":"2026-06-14T12:01:59Z","symbol":"NIM0446704","token_address":"0xe7de33b4a5f43c47b5a6dd2f0fa53507ae88d41f","type":"artist","uuid":"484e5f96-e9b7-486d-8e9e-b52ac3c9fc89"}
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 0xbba8b383e58cd1f272c5c3d2eb8e7dfed44bdf67feea8c19d900a552da4e6b9a. Chain 2 (Bitcoin): anchored in block 953654 (2026-06-14T16:26:51Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/484e5f96-e9b7-486d-8e9e-b52ac3c9fc89.json and https://artists.proofprofile.net/proofs/artist/484e5f96-e9b7-486d-8e9e-b52ac3c9fc89.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-14T16:26:51Z
  text: {"copyright_id":"0xbba8b383e58cd1f272c5c3d2eb8e7dfed44bdf67feea8c19d900a552da4e6b9a","name":"Mars Hall","registered_at":"2026-06-14T12:01:59Z","symbol":"NIM0446704","token_address":"0xe7de33b4a5f43c47b5a6dd2f0fa53507ae88d41f","type":"artist","uuid":"484e5f96-e9b7-486d-8e9e-b52ac3c9fc89"}
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