Focus Brain
type: MusicGroup
popularity: 7
followers: 966
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
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  value: https://explorer.copyrightchains.com/tx/0xb8ca6cbd60b86d18c468df3ab66c5bbb0c1a2e0b2ca23b8e02ae57a8acbd93f7
additional property: OTSHash
additional property: OTSBitcoinBlock
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  value: 954013
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954013
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/347b3037-04a0-42f0-89e8-b2d94132e988.ots
additional property: OTSRecordURL
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  value: https://artists.proofprofile.net/proofs/artist/347b3037-04a0-42f0-89e8-b2d94132e988.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/347b3037-04a0-42f0-89e8-b2d94132e988
additional property: OTSTimestamp
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  value: 2026-06-16T22:27:01Z
additional property: OTSCanonicalRecord
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  value: {"copyright_id":"0xb8ca6cbd60b86d18c468df3ab66c5bbb0c1a2e0b2ca23b8e02ae57a8acbd93f7","name":"Focus Brain","registered_at":"2026-06-16T07:48:20Z","symbol":"NIM0985228","token_address":"0x8317c9bc8c8e70d5609e4cdabcbb374263ee0454","type":"artist","uuid":"347b3037-04a0-42f0-89e8-b2d94132e988"}
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 0xb8ca6cbd60b86d18c468df3ab66c5bbb0c1a2e0b2ca23b8e02ae57a8acbd93f7. Chain 2 (Bitcoin): anchored in block 954014 (2026-06-16T22:46:20Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/347b3037-04a0-42f0-89e8-b2d94132e988.json and https://artists.proofprofile.net/proofs/artist/347b3037-04a0-42f0-89e8-b2d94132e988.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-16T22:46:20Z
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  type: MusicAlbum
  date published: 2017-09-20
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