Two and a Half Girl
type: MusicGroup
genre: skate punk
popularity: 12
followers: 3436
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x93b01232e50ddf7383feb03a6d56ff1a1de46b9f4f90f2a93555647ee7b7255c
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953621
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953621
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/20433dc5-9540-4e1a-b6a1-c1bc82653797.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/20433dc5-9540-4e1a-b6a1-c1bc82653797.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/20433dc5-9540-4e1a-b6a1-c1bc82653797
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-14T09:42:57Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x93b01232e50ddf7383feb03a6d56ff1a1de46b9f4f90f2a93555647ee7b7255c","name":"Two and a Half Girl","registered_at":"2026-06-14T07:52:19Z","symbol":"NIM0387159","token_address":"0x13fbdbcf0f5e68ddf24406b47de2c4b4b76cb38b","type":"artist","uuid":"20433dc5-9540-4e1a-b6a1-c1bc82653797"}
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 0x93b01232e50ddf7383feb03a6d56ff1a1de46b9f4f90f2a93555647ee7b7255c. Chain 2 (Bitcoin): anchored in block 953621 (2026-06-14T09:42:57Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/20433dc5-9540-4e1a-b6a1-c1bc82653797.json and https://artists.proofprofile.net/proofs/artist/20433dc5-9540-4e1a-b6a1-c1bc82653797.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-14T09:42:57Z
  text: {"copyright_id":"0x93b01232e50ddf7383feb03a6d56ff1a1de46b9f4f90f2a93555647ee7b7255c","name":"Two and a Half Girl","registered_at":"2026-06-14T07:52:19Z","symbol":"NIM0387159","token_address":"0x13fbdbcf0f5e68ddf24406b47de2c4b4b76cb38b","type":"artist","uuid":"20433dc5-9540-4e1a-b6a1-c1bc82653797"}
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