Lando & the Infinite Sadness
type: MusicGroup
popularity: 4
followers: 363
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xe0f6b138802c571a26a8352557d257173f1a6b3238d2e094df0505062b3a12f4
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954065
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954065
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/506349de-6c28-4535-9a2e-1d69c85e05d4.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/506349de-6c28-4535-9a2e-1d69c85e05d4.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/506349de-6c28-4535-9a2e-1d69c85e05d4
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-17T08:10:43Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xe0f6b138802c571a26a8352557d257173f1a6b3238d2e094df0505062b3a12f4","name":"Lando & the Infinite Sadness","registered_at":"2026-06-16T17:44:02Z","symbol":"NIM1127364","token_address":"0x4a9c3dd68afd5b80aadc22cb4b4611e424fbbb19","type":"artist","uuid":"506349de-6c28-4535-9a2e-1d69c85e05d4"}
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 0xe0f6b138802c571a26a8352557d257173f1a6b3238d2e094df0505062b3a12f4. Chain 2 (Bitcoin): anchored in block 954066 (2026-06-17T08:11:48Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/506349de-6c28-4535-9a2e-1d69c85e05d4.json and https://artists.proofprofile.net/proofs/artist/506349de-6c28-4535-9a2e-1d69c85e05d4.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-17T08:11:48Z
  text: {"copyright_id":"0xe0f6b138802c571a26a8352557d257173f1a6b3238d2e094df0505062b3a12f4","name":"Lando & the Infinite Sadness","registered_at":"2026-06-16T17:44:02Z","symbol":"NIM1127364","token_address":"0x4a9c3dd68afd5b80aadc22cb4b4611e424fbbb19","type":"artist","uuid":"506349de-6c28-4535-9a2e-1d69c85e05d4"}
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