Hans de Beer
type: MusicGroup
popularity: 2
followers: 1034
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x7ca699c8da6987c0b532f63af0a39f1de0c4ec21d3882ec144989c97c0b7ed88
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954031
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954031
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/3ab70aeb-cb82-4f29-8852-2631307936f1.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/3ab70aeb-cb82-4f29-8852-2631307936f1.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/3ab70aeb-cb82-4f29-8852-2631307936f1
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-17T01:43:23Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x7ca699c8da6987c0b532f63af0a39f1de0c4ec21d3882ec144989c97c0b7ed88","name":"Hans de Beer","registered_at":"2026-06-16T10:00:41Z","symbol":"NIM1016823","token_address":"0x96c5ca8fe77bc13ed18eea9390d7e7ccbc0372fe","type":"artist","uuid":"3ab70aeb-cb82-4f29-8852-2631307936f1"}
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 0x7ca699c8da6987c0b532f63af0a39f1de0c4ec21d3882ec144989c97c0b7ed88. Chain 2 (Bitcoin): anchored in block 954031 (2026-06-17T01:43:23Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/3ab70aeb-cb82-4f29-8852-2631307936f1.json and https://artists.proofprofile.net/proofs/artist/3ab70aeb-cb82-4f29-8852-2631307936f1.ots, the client at https://opentimestamps.org runs `ots verify -f record.json proof.ots`.
  date published: 2026-06-17T01:43:23Z
  text: {"copyright_id":"0x7ca699c8da6987c0b532f63af0a39f1de0c4ec21d3882ec144989c97c0b7ed88","name":"Hans de Beer","registered_at":"2026-06-16T10:00:41Z","symbol":"NIM1016823","token_address":"0x96c5ca8fe77bc13ed18eea9390d7e7ccbc0372fe","type":"artist","uuid":"3ab70aeb-cb82-4f29-8852-2631307936f1"}
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