MC HLL
type: MusicGroup
popularity: 2
followers: 19
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x16a3c090d37af4c452e5589f79f688dd746dd3d20e4f9c86565d758541985610
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954130
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954130
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/7c7533a0-d38c-4d3b-84fd-c35cde3509e0.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/7c7533a0-d38c-4d3b-84fd-c35cde3509e0.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/7c7533a0-d38c-4d3b-84fd-c35cde3509e0
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-17T19:07:14Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x16a3c090d37af4c452e5589f79f688dd746dd3d20e4f9c86565d758541985610","name":"MC HLL","registered_at":"2026-06-17T08:58:24Z","symbol":"NIM1345484","token_address":"0x08af37c187c97cb84b80594ad515c0308e0eeafe","type":"artist","uuid":"7c7533a0-d38c-4d3b-84fd-c35cde3509e0"}
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 0x16a3c090d37af4c452e5589f79f688dd746dd3d20e4f9c86565d758541985610. 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/7c7533a0-d38c-4d3b-84fd-c35cde3509e0.json and https://artists.proofprofile.net/proofs/artist/7c7533a0-d38c-4d3b-84fd-c35cde3509e0.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-18T03:01:36Z
  text: {"copyright_id":"0x16a3c090d37af4c452e5589f79f688dd746dd3d20e4f9c86565d758541985610","name":"MC HLL","registered_at":"2026-06-17T08:58:24Z","symbol":"NIM1345484","token_address":"0x08af37c187c97cb84b80594ad515c0308e0eeafe","type":"artist","uuid":"7c7533a0-d38c-4d3b-84fd-c35cde3509e0"}
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