David Madrid
type: MusicGroup
genre: christian
popularity: 2
followers: 44
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xe6a8075dcbde0f0ddb1b60f9624c9209cb6b9c04364e2c2a413e7665db9fc818
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954603
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954603
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/c3944814-8192-47d7-b9b7-0ebc57675963.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/c3944814-8192-47d7-b9b7-0ebc57675963.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/c3944814-8192-47d7-b9b7-0ebc57675963
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-20T21:47:54Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xe6a8075dcbde0f0ddb1b60f9624c9209cb6b9c04364e2c2a413e7665db9fc818","name":"David Madrid","registered_at":"2026-06-20T20:01:10Z","symbol":"NIM1701567","token_address":"0x23469bdc21e76dd548f027ad65d28a67390718f3","type":"artist","uuid":"c3944814-8192-47d7-b9b7-0ebc57675963"}
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 0xe6a8075dcbde0f0ddb1b60f9624c9209cb6b9c04364e2c2a413e7665db9fc818. Chain 2 (Bitcoin): anchored in block 954603 (2026-06-20T21:47:54Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/c3944814-8192-47d7-b9b7-0ebc57675963.json and https://artists.proofprofile.net/proofs/artist/c3944814-8192-47d7-b9b7-0ebc57675963.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-20T21:47:54Z
  text: {"copyright_id":"0xe6a8075dcbde0f0ddb1b60f9624c9209cb6b9c04364e2c2a413e7665db9fc818","name":"David Madrid","registered_at":"2026-06-20T20:01:10Z","symbol":"NIM1701567","token_address":"0x23469bdc21e76dd548f027ad65d28a67390718f3","type":"artist","uuid":"c3944814-8192-47d7-b9b7-0ebc57675963"}
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  type: MusicAlbum
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  type: MusicAlbum
  date published: 2023-10-06
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  date published: 2023-12-08
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  type: MusicAlbum
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  type: MusicAlbum
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  type: MusicAlbum
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