Charlotte Lansman
type: MusicGroup
genre: acoustic pop
popularity: 3
followers: 392
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xc6d1f4afb7b29e9c1f082d0672c9e56e04c2995d4a9b79b49975a40563d6468b
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953954
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953954
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/26091ab1-2567-4a26-874f-ff851654943f.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/26091ab1-2567-4a26-874f-ff851654943f.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/26091ab1-2567-4a26-874f-ff851654943f
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-16T14:18:37Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xc6d1f4afb7b29e9c1f082d0672c9e56e04c2995d4a9b79b49975a40563d6468b","name":"Charlotte Lansman","registered_at":"2026-06-16T02:50:33Z","symbol":"NIM0914108","token_address":"0x2d7294d37f3489480e2fe5b49b284a83bf96ce27","type":"artist","uuid":"26091ab1-2567-4a26-874f-ff851654943f"}
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 0xc6d1f4afb7b29e9c1f082d0672c9e56e04c2995d4a9b79b49975a40563d6468b. Chain 2 (Bitcoin): anchored in block 953997 (2026-06-16T20:07:57Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/26091ab1-2567-4a26-874f-ff851654943f.json and https://artists.proofprofile.net/proofs/artist/26091ab1-2567-4a26-874f-ff851654943f.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-16T20:07:57Z
  text: {"copyright_id":"0xc6d1f4afb7b29e9c1f082d0672c9e56e04c2995d4a9b79b49975a40563d6468b","name":"Charlotte Lansman","registered_at":"2026-06-16T02:50:33Z","symbol":"NIM0914108","token_address":"0x2d7294d37f3489480e2fe5b49b284a83bf96ce27","type":"artist","uuid":"26091ab1-2567-4a26-874f-ff851654943f"}
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