Harper (SEEN)
type: MusicGroup
popularity: 18
followers: 138
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xb9bdcc9e457931dbdb1726618c8ed94e979f1cc3b4c33773efe2731b7b718eb8
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953599
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953599
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/0caddabc-2392-4923-a658-d99ac3262a2f.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/0caddabc-2392-4923-a658-d99ac3262a2f.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/0caddabc-2392-4923-a658-d99ac3262a2f
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-14T06:43:55Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xb9bdcc9e457931dbdb1726618c8ed94e979f1cc3b4c33773efe2731b7b718eb8","name":"Harper (SEEN)","registered_at":"2026-06-14T05:44:45Z","symbol":"NIM0356761","token_address":"0xeed8284b3d2ee993ec7379085a0a3eb49a8f242d","type":"artist","uuid":"0caddabc-2392-4923-a658-d99ac3262a2f"}
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 0xb9bdcc9e457931dbdb1726618c8ed94e979f1cc3b4c33773efe2731b7b718eb8. Chain 2 (Bitcoin): anchored in block 953599 (2026-06-14T06:43:55Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/0caddabc-2392-4923-a658-d99ac3262a2f.json and https://artists.proofprofile.net/proofs/artist/0caddabc-2392-4923-a658-d99ac3262a2f.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-14T06:43:55Z
  text: {"copyright_id":"0xb9bdcc9e457931dbdb1726618c8ed94e979f1cc3b4c33773efe2731b7b718eb8","name":"Harper (SEEN)","registered_at":"2026-06-14T05:44:45Z","symbol":"NIM0356761","token_address":"0xeed8284b3d2ee993ec7379085a0a3eb49a8f242d","type":"artist","uuid":"0caddabc-2392-4923-a658-d99ac3262a2f"}
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