Marcus Lanzer
type: MusicGroup
popularity: 6
followers: 89
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x0bb054784c6f12bc59d2cfac90076fc3ffd4211d1ea6a06ae8265b954fe1c575
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954659
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954659
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/dc588159-9dd1-4811-855e-7d23d41f8717.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/dc588159-9dd1-4811-855e-7d23d41f8717.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/dc588159-9dd1-4811-855e-7d23d41f8717
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-21T06:14:42Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x0bb054784c6f12bc59d2cfac90076fc3ffd4211d1ea6a06ae8265b954fe1c575","name":"Marcus Lanzer","registered_at":"2026-06-21T05:14:14Z","symbol":"NIM1827058","token_address":"0x46d1f1b2a813907d43b7e6514c9c66dae15ecf79","type":"artist","uuid":"dc588159-9dd1-4811-855e-7d23d41f8717"}
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 0x0bb054784c6f12bc59d2cfac90076fc3ffd4211d1ea6a06ae8265b954fe1c575. Chain 2 (Bitcoin): anchored in block 954659 (2026-06-21T06:14:42Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/dc588159-9dd1-4811-855e-7d23d41f8717.json and https://artists.proofprofile.net/proofs/artist/dc588159-9dd1-4811-855e-7d23d41f8717.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-21T06:14:42Z
  text: {"copyright_id":"0x0bb054784c6f12bc59d2cfac90076fc3ffd4211d1ea6a06ae8265b954fe1c575","name":"Marcus Lanzer","registered_at":"2026-06-21T05:14:14Z","symbol":"NIM1827058","token_address":"0x46d1f1b2a813907d43b7e6514c9c66dae15ecf79","type":"artist","uuid":"dc588159-9dd1-4811-855e-7d23d41f8717"}
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  type: MusicAlbum
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