D Smith
type: MusicGroup
popularity: 2
followers: 134
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x225f941ccd600d355b6a81ff1423cba127131e2b41a70ace6389d2131b1c93a8
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954066
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954066
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/758023a1-ae6b-411c-9a89-3790ac112019.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/758023a1-ae6b-411c-9a89-3790ac112019.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/758023a1-ae6b-411c-9a89-3790ac112019
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-17T08:11:48Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x225f941ccd600d355b6a81ff1423cba127131e2b41a70ace6389d2131b1c93a8","name":"D Smith","registered_at":"2026-06-17T06:59:22Z","symbol":"NIM1317140","token_address":"0xc2149ad68866a31f4f27a587195adb710d1e547d","type":"artist","uuid":"758023a1-ae6b-411c-9a89-3790ac112019"}
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 0x225f941ccd600d355b6a81ff1423cba127131e2b41a70ace6389d2131b1c93a8. 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/758023a1-ae6b-411c-9a89-3790ac112019.json and https://artists.proofprofile.net/proofs/artist/758023a1-ae6b-411c-9a89-3790ac112019.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-17T08:11:48Z
  text: {"copyright_id":"0x225f941ccd600d355b6a81ff1423cba127131e2b41a70ace6389d2131b1c93a8","name":"D Smith","registered_at":"2026-06-17T06:59:22Z","symbol":"NIM1317140","token_address":"0xc2149ad68866a31f4f27a587195adb710d1e547d","type":"artist","uuid":"758023a1-ae6b-411c-9a89-3790ac112019"}
album: 2012 Y.O.E. Mixtape
  type: MusicAlbum
  date published: 2012-09-11
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  type: MusicAlbum
  date published: 2021-01-04
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  type: MusicAlbum
  date published: 2021-01-12
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  type: MusicAlbum
  date published: 2021-01-14
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  date published: 2021-02-09
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  type: MusicAlbum
  date published: 2021-02-09
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  type: MusicAlbum
  date published: 2021-03-29
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  date published: 2021-04-16
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  type: MusicAlbum
  date published: 2021-12-03
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  type: MusicAlbum
  date published: 2022-01-01
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  date published: 2022-04-20
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  type: MusicAlbum
  date published: 2022-05-20
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  type: MusicAlbum
  date published: 2022-06-24
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  type: MusicAlbum
  date published: 2022-08-12
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  type: MusicAlbum
  date published: 2023-01-13
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  type: MusicAlbum
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  type: MusicAlbum
  date published: 2024-08-02