Purple Nail
type: MusicGroup
genre: deathrock
genre: gothic metal
genre: symphonic rock
popularity: 2
followers: 610
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x8c60a6acc70f1f3c716952d313b1b55ec3442e887125b6f50116ed7b83d76249
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954667
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954667
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/af2ca31b-72d2-46bb-99c4-f6ec47b01a74.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/af2ca31b-72d2-46bb-99c4-f6ec47b01a74.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/af2ca31b-72d2-46bb-99c4-f6ec47b01a74
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-21T07:29:20Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x8c60a6acc70f1f3c716952d313b1b55ec3442e887125b6f50116ed7b83d76249","name":"Purple Nail","registered_at":"2026-06-20T11:38:17Z","symbol":"NIM1602748","token_address":"0xd1838af9612d040f7467a73e0b6d81382e0c1cce","type":"artist","uuid":"af2ca31b-72d2-46bb-99c4-f6ec47b01a74"}
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 0x8c60a6acc70f1f3c716952d313b1b55ec3442e887125b6f50116ed7b83d76249. Chain 2 (Bitcoin): anchored in block 954667 (2026-06-21T07:29:20Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/af2ca31b-72d2-46bb-99c4-f6ec47b01a74.json and https://artists.proofprofile.net/proofs/artist/af2ca31b-72d2-46bb-99c4-f6ec47b01a74.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-21T07:29:20Z
  text: {"copyright_id":"0x8c60a6acc70f1f3c716952d313b1b55ec3442e887125b6f50116ed7b83d76249","name":"Purple Nail","registered_at":"2026-06-20T11:38:17Z","symbol":"NIM1602748","token_address":"0xd1838af9612d040f7467a73e0b6d81382e0c1cce","type":"artist","uuid":"af2ca31b-72d2-46bb-99c4-f6ec47b01a74"}
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  type: MusicAlbum
  date published: 2013-06-11
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  type: MusicAlbum
  date published: 2016-12-28
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  date published: 2018-05-10
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  date published: 2020-07-23
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