Swartz et
type: MusicGroup
genre: drone
popularity: 4
followers: 109
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x71194a2e7e8eab46b28c73e4981d12ce53b7325f3ea318bbe6a8ccfa1a814a66
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954784
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954784
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/e95bd85c-ff44-4c79-a160-75792603c0d7.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/e95bd85c-ff44-4c79-a160-75792603c0d7.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/e95bd85c-ff44-4c79-a160-75792603c0d7
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-22T02:53:59Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x71194a2e7e8eab46b28c73e4981d12ce53b7325f3ea318bbe6a8ccfa1a814a66","name":"Swartz et","registered_at":"2026-06-21T10:11:45Z","symbol":"NIM1891998","token_address":"0x0d3d7851eb56421db7a1f6f17212881fc15d6f0f","type":"artist","uuid":"e95bd85c-ff44-4c79-a160-75792603c0d7"}
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 0x71194a2e7e8eab46b28c73e4981d12ce53b7325f3ea318bbe6a8ccfa1a814a66. Chain 2 (Bitcoin): anchored in block 954784 (2026-06-22T02:53:59Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/e95bd85c-ff44-4c79-a160-75792603c0d7.json and https://artists.proofprofile.net/proofs/artist/e95bd85c-ff44-4c79-a160-75792603c0d7.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-22T02:53:59Z
  text: {"copyright_id":"0x71194a2e7e8eab46b28c73e4981d12ce53b7325f3ea318bbe6a8ccfa1a814a66","name":"Swartz et","registered_at":"2026-06-21T10:11:45Z","symbol":"NIM1891998","token_address":"0x0d3d7851eb56421db7a1f6f17212881fc15d6f0f","type":"artist","uuid":"e95bd85c-ff44-4c79-a160-75792603c0d7"}
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