Second Hand King
type: MusicGroup
popularity: 2
followers: 440
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xbd342fd6b56c57dfcf11d44e667b997a75987daa28746203651bc77f3516659f
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954513
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954513
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/9fa096aa-3e73-49b8-b092-8e93eb558c11.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/9fa096aa-3e73-49b8-b092-8e93eb558c11.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/9fa096aa-3e73-49b8-b092-8e93eb558c11
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-20T06:31:18Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xbd342fd6b56c57dfcf11d44e667b997a75987daa28746203651bc77f3516659f","name":"Second Hand King","registered_at":"2026-06-20T05:20:23Z","symbol":"NIM1524368","token_address":"0xd621c1d2f201616077674fc46c170c925cc7a007","type":"artist","uuid":"9fa096aa-3e73-49b8-b092-8e93eb558c11"}
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbd342fd6b56c57dfcf11d44e667b997a75987daa28746203651bc77f3516659f. Chain 2 (Bitcoin): anchored in block 954513 (2026-06-20T06:31:18Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/9fa096aa-3e73-49b8-b092-8e93eb558c11.json and https://artists.proofprofile.net/proofs/artist/9fa096aa-3e73-49b8-b092-8e93eb558c11.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-20T06:31:18Z
  text: {"copyright_id":"0xbd342fd6b56c57dfcf11d44e667b997a75987daa28746203651bc77f3516659f","name":"Second Hand King","registered_at":"2026-06-20T05:20:23Z","symbol":"NIM1524368","token_address":"0xd621c1d2f201616077674fc46c170c925cc7a007","type":"artist","uuid":"9fa096aa-3e73-49b8-b092-8e93eb558c11"}
album: Chuck
  type: MusicAlbum
  date published: 2014-03-15
album: Chuck
  type: MusicAlbum
  date published: 2014-03-15
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  date published: 2017-05-28
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  type: MusicAlbum
  date published: 2017-10-05
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  type: MusicAlbum
  date published: 2018-06-08
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  date published: 2020-08-07
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  type: MusicAlbum
  date published: 2022-12-23
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  type: MusicAlbum
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