Mario Mulder
type: MusicGroup
popularity: 2
followers: 177
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x66440ae1fa5bf54cd11c69cca4213a1b5585dfcb50948b2d93933454ae61b74b
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953875
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953875
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/089c4cfb-df5c-477f-ae63-7dc3b88cfb15.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/089c4cfb-df5c-477f-ae63-7dc3b88cfb15.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/089c4cfb-df5c-477f-ae63-7dc3b88cfb15
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-16T02:12:46Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x66440ae1fa5bf54cd11c69cca4213a1b5585dfcb50948b2d93933454ae61b74b","name":"Mario Mulder","registered_at":"2026-06-15T16:25:19Z","symbol":"NIM0764890","token_address":"0x7b09c82132daa7b7d2ad10681e6037f8af7dd7c1","type":"artist","uuid":"089c4cfb-df5c-477f-ae63-7dc3b88cfb15"}
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 0x66440ae1fa5bf54cd11c69cca4213a1b5585dfcb50948b2d93933454ae61b74b. Chain 2 (Bitcoin): anchored in block 953875 (2026-06-16T02:12:46Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/089c4cfb-df5c-477f-ae63-7dc3b88cfb15.json and https://artists.proofprofile.net/proofs/artist/089c4cfb-df5c-477f-ae63-7dc3b88cfb15.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-16T02:12:46Z
  text: {"copyright_id":"0x66440ae1fa5bf54cd11c69cca4213a1b5585dfcb50948b2d93933454ae61b74b","name":"Mario Mulder","registered_at":"2026-06-15T16:25:19Z","symbol":"NIM0764890","token_address":"0x7b09c82132daa7b7d2ad10681e6037f8af7dd7c1","type":"artist","uuid":"089c4cfb-df5c-477f-ae63-7dc3b88cfb15"}
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  date published: 2017-11-11
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  type: MusicAlbum
  date published: 2022-10-19