Lady Margaret
type: MusicGroup
popularity: 2
followers: 433
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xcc1f97e91915b921db878a40d0f90adce553e6fa6e72c90e1b2a633c3d82c94d
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954587
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954587
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/ba35b3c7-2739-4e6d-93d4-e02044129b43.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/ba35b3c7-2739-4e6d-93d4-e02044129b43.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/ba35b3c7-2739-4e6d-93d4-e02044129b43
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-20T19:10:41Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xcc1f97e91915b921db878a40d0f90adce553e6fa6e72c90e1b2a633c3d82c94d","name":"Lady Margaret","registered_at":"2026-06-20T16:14:45Z","symbol":"NIM1654817","token_address":"0xbfa6dbd9b384968b411635f534765b1486d6edbf","type":"artist","uuid":"ba35b3c7-2739-4e6d-93d4-e02044129b43"}
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 0xcc1f97e91915b921db878a40d0f90adce553e6fa6e72c90e1b2a633c3d82c94d. Chain 2 (Bitcoin): anchored in block 954588 (2026-06-20T19:15:05Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/ba35b3c7-2739-4e6d-93d4-e02044129b43.json and https://artists.proofprofile.net/proofs/artist/ba35b3c7-2739-4e6d-93d4-e02044129b43.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-20T19:15:05Z
  text: {"copyright_id":"0xcc1f97e91915b921db878a40d0f90adce553e6fa6e72c90e1b2a633c3d82c94d","name":"Lady Margaret","registered_at":"2026-06-20T16:14:45Z","symbol":"NIM1654817","token_address":"0xbfa6dbd9b384968b411635f534765b1486d6edbf","type":"artist","uuid":"ba35b3c7-2739-4e6d-93d4-e02044129b43"}
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  type: MusicAlbum
  date published: 1967
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  date published: 2020-11-06
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