Big18 EBK
type: MusicGroup
popularity: 4
followers: 522
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x434cca22a81f2bd3344759e2f41dc046b7cbefe7c1962314d93b9f8a7495d1cc
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954065
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954065
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/553ed4a2-0822-4abe-b319-ace6d861fa93.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/553ed4a2-0822-4abe-b319-ace6d861fa93.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/553ed4a2-0822-4abe-b319-ace6d861fa93
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-17T08:10:43Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x434cca22a81f2bd3344759e2f41dc046b7cbefe7c1962314d93b9f8a7495d1cc","name":"Big18 EBK","registered_at":"2026-06-16T19:23:30Z","symbol":"NIM1151092","token_address":"0xc8d7d33ae27543c0bba5dbdec56c5d20be4a25ec","type":"artist","uuid":"553ed4a2-0822-4abe-b319-ace6d861fa93"}
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 0x434cca22a81f2bd3344759e2f41dc046b7cbefe7c1962314d93b9f8a7495d1cc. Chain 2 (Bitcoin): anchored in block 954066 (2026-06-17T08:11:48Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/553ed4a2-0822-4abe-b319-ace6d861fa93.json and https://artists.proofprofile.net/proofs/artist/553ed4a2-0822-4abe-b319-ace6d861fa93.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-17T08:11:48Z
  text: {"copyright_id":"0x434cca22a81f2bd3344759e2f41dc046b7cbefe7c1962314d93b9f8a7495d1cc","name":"Big18 EBK","registered_at":"2026-06-16T19:23:30Z","symbol":"NIM1151092","token_address":"0xc8d7d33ae27543c0bba5dbdec56c5d20be4a25ec","type":"artist","uuid":"553ed4a2-0822-4abe-b319-ace6d861fa93"}
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