Brian Sour
type: MusicGroup
popularity: 7
followers: 217
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x97951205ee423bb468f0666082cdc28ec6b47df2d1436cf8f6bd873c65d9bf5d
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954174
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954174
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/7d9ae336-f6fa-4438-bfda-a70c4d98452a.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/7d9ae336-f6fa-4438-bfda-a70c4d98452a.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/7d9ae336-f6fa-4438-bfda-a70c4d98452a
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-18T03:01:36Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x97951205ee423bb468f0666082cdc28ec6b47df2d1436cf8f6bd873c65d9bf5d","name":"Brian Sour","registered_at":"2026-06-17T09:16:53Z","symbol":"NIM1349895","token_address":"0xc5aa741912740cd3f9ec5c34d90fc351105dc3d2","type":"artist","uuid":"7d9ae336-f6fa-4438-bfda-a70c4d98452a"}
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 0x97951205ee423bb468f0666082cdc28ec6b47df2d1436cf8f6bd873c65d9bf5d. 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/7d9ae336-f6fa-4438-bfda-a70c4d98452a.json and https://artists.proofprofile.net/proofs/artist/7d9ae336-f6fa-4438-bfda-a70c4d98452a.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-18T03:01:36Z
  text: {"copyright_id":"0x97951205ee423bb468f0666082cdc28ec6b47df2d1436cf8f6bd873c65d9bf5d","name":"Brian Sour","registered_at":"2026-06-17T09:16:53Z","symbol":"NIM1349895","token_address":"0xc5aa741912740cd3f9ec5c34d90fc351105dc3d2","type":"artist","uuid":"7d9ae336-f6fa-4438-bfda-a70c4d98452a"}
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  type: MusicAlbum
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  type: MusicAlbum
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  type: MusicAlbum
  date published: 2020-03-26
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  type: MusicAlbum
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  type: MusicAlbum
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  type: MusicAlbum
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  type: MusicAlbum
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  type: MusicAlbum
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