Maikel van Horrik
type: MusicGroup
popularity: 14
followers: 614
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xf977a8026aeb2a4707ec382adfd6fc0636104d1df9070f02546350afee3e3a93
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953699
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953699
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/74a86b1a-9493-4b5c-8c8b-da03488a826e.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/74a86b1a-9493-4b5c-8c8b-da03488a826e.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/74a86b1a-9493-4b5c-8c8b-da03488a826e
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-14T22:00:24Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xf977a8026aeb2a4707ec382adfd6fc0636104d1df9070f02546350afee3e3a93","name":"Maikel van Horrik","registered_at":"2026-06-14T16:45:02Z","symbol":"NIM0514249","token_address":"0xa6b38ebc9e824f5094d6ecf95a24967eb0079028","type":"artist","uuid":"74a86b1a-9493-4b5c-8c8b-da03488a826e"}
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 0xf977a8026aeb2a4707ec382adfd6fc0636104d1df9070f02546350afee3e3a93. Chain 2 (Bitcoin): anchored in block 953699 (2026-06-14T22:00:24Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/74a86b1a-9493-4b5c-8c8b-da03488a826e.json and https://artists.proofprofile.net/proofs/artist/74a86b1a-9493-4b5c-8c8b-da03488a826e.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-14T22:00:24Z
  text: {"copyright_id":"0xf977a8026aeb2a4707ec382adfd6fc0636104d1df9070f02546350afee3e3a93","name":"Maikel van Horrik","registered_at":"2026-06-14T16:45:02Z","symbol":"NIM0514249","token_address":"0xa6b38ebc9e824f5094d6ecf95a24967eb0079028","type":"artist","uuid":"74a86b1a-9493-4b5c-8c8b-da03488a826e"}
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