Masta Buildas
type: MusicGroup
genre: horrorcore
genre: underground hip hop
popularity: 7
followers: 2748
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xba9346fccec0e5580fa383e1c9d32d887bc533f1c761df527bd885fdc92c1869
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954062
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954062
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/4665cdc7-852b-4aff-b1d4-dff120cbac40.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/4665cdc7-852b-4aff-b1d4-dff120cbac40.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/4665cdc7-852b-4aff-b1d4-dff120cbac40
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-17T07:39:10Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xba9346fccec0e5580fa383e1c9d32d887bc533f1c761df527bd885fdc92c1869","name":"Masta Buildas","registered_at":"2026-06-16T14:05:23Z","symbol":"NIM1075183","token_address":"0x4c359d2c4049a9e0d0f1c7370f93f67abcfabcbc","type":"artist","uuid":"4665cdc7-852b-4aff-b1d4-dff120cbac40"}
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 0xba9346fccec0e5580fa383e1c9d32d887bc533f1c761df527bd885fdc92c1869. Chain 2 (Bitcoin): anchored in block 954062 (2026-06-17T07:39:10Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/4665cdc7-852b-4aff-b1d4-dff120cbac40.json and https://artists.proofprofile.net/proofs/artist/4665cdc7-852b-4aff-b1d4-dff120cbac40.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-17T07:39:10Z
  text: {"copyright_id":"0xba9346fccec0e5580fa383e1c9d32d887bc533f1c761df527bd885fdc92c1869","name":"Masta Buildas","registered_at":"2026-06-16T14:05:23Z","symbol":"NIM1075183","token_address":"0x4c359d2c4049a9e0d0f1c7370f93f67abcfabcbc","type":"artist","uuid":"4665cdc7-852b-4aff-b1d4-dff120cbac40"}
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