Milla Sampaio
type: MusicGroup
popularity: 5
followers: 1169
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x3858c10e7e9b5332494eff5c27e9408c713ce38cacbec6c10bb5f29a1de39f05
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954587
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954587
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/b8c83a7f-67e6-47c5-bd60-4827a1e748f0.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/b8c83a7f-67e6-47c5-bd60-4827a1e748f0.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/b8c83a7f-67e6-47c5-bd60-4827a1e748f0
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-20T19:10:41Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x3858c10e7e9b5332494eff5c27e9408c713ce38cacbec6c10bb5f29a1de39f05","name":"Milla Sampaio","registered_at":"2026-06-20T16:25:45Z","symbol":"NIM1652831","token_address":"0x2185b46cee86c87506a49490b932ab3b828e82cf","type":"artist","uuid":"b8c83a7f-67e6-47c5-bd60-4827a1e748f0"}
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 0x3858c10e7e9b5332494eff5c27e9408c713ce38cacbec6c10bb5f29a1de39f05. Chain 2 (Bitcoin): anchored in block 954588 (2026-06-20T19:15:05Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/b8c83a7f-67e6-47c5-bd60-4827a1e748f0.json and https://artists.proofprofile.net/proofs/artist/b8c83a7f-67e6-47c5-bd60-4827a1e748f0.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-20T19:15:05Z
  text: {"copyright_id":"0x3858c10e7e9b5332494eff5c27e9408c713ce38cacbec6c10bb5f29a1de39f05","name":"Milla Sampaio","registered_at":"2026-06-20T16:25:45Z","symbol":"NIM1652831","token_address":"0x2185b46cee86c87506a49490b932ab3b828e82cf","type":"artist","uuid":"b8c83a7f-67e6-47c5-bd60-4827a1e748f0"}
album: To Dream For
  type: MusicAlbum
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  type: MusicAlbum
  date published: 2022-05-27
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  type: MusicAlbum
  date published: 2022-05-27
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  type: MusicAlbum
  date published: 2024-01-25
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  type: MusicAlbum
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  type: MusicAlbum
  date published: 2024-01-27