Alexandra Lost
type: MusicGroup
genre: trip hop
popularity: 3
followers: 323
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x872d2f30a2851444bbc879ec97121464c20cc71df839f4d4f5d460f030888c55
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953909
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953909
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/17835538-a0f9-45f5-b8e0-57d41eec75b9.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/17835538-a0f9-45f5-b8e0-57d41eec75b9.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/17835538-a0f9-45f5-b8e0-57d41eec75b9
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-16T07:53:13Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x872d2f30a2851444bbc879ec97121464c20cc71df839f4d4f5d460f030888c55","name":"Alexandra Lost","registered_at":"2026-06-15T21:45:02Z","symbol":"NIM0841155","token_address":"0xe994feb1ef2798ddd9efaff7ee5a328b6145aeef","type":"artist","uuid":"17835538-a0f9-45f5-b8e0-57d41eec75b9"}
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 0x872d2f30a2851444bbc879ec97121464c20cc71df839f4d4f5d460f030888c55. Chain 2 (Bitcoin): anchored in block 953909 (2026-06-16T07:53:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/17835538-a0f9-45f5-b8e0-57d41eec75b9.json and https://artists.proofprofile.net/proofs/artist/17835538-a0f9-45f5-b8e0-57d41eec75b9.ots, the client at https://opentimestamps.org runs `ots verify -f record.json proof.ots`.
  date published: 2026-06-16T07:53:13Z
  text: {"copyright_id":"0x872d2f30a2851444bbc879ec97121464c20cc71df839f4d4f5d460f030888c55","name":"Alexandra Lost","registered_at":"2026-06-15T21:45:02Z","symbol":"NIM0841155","token_address":"0xe994feb1ef2798ddd9efaff7ee5a328b6145aeef","type":"artist","uuid":"17835538-a0f9-45f5-b8e0-57d41eec75b9"}
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  type: MusicAlbum
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