Marcos Assumpção
type: MusicGroup
genre: nova mpb
popularity: 4
followers: 166
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x349e9222b14d178c37f20d2b2b89855da884e20867d78bd03d0cfbb636f7515a
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954038
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954038
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/3def6253-7284-47ee-8521-600ddf300350.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/3def6253-7284-47ee-8521-600ddf300350.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/3def6253-7284-47ee-8521-600ddf300350
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-17T02:57:22Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x349e9222b14d178c37f20d2b2b89855da884e20867d78bd03d0cfbb636f7515a","name":"Marcos Assumpção","registered_at":"2026-06-16T11:08:43Z","symbol":"NIM1033050","token_address":"0x8cc9a30044d4ad07bd22747e063731bf733b9822","type":"artist","uuid":"3def6253-7284-47ee-8521-600ddf300350"}
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 0x349e9222b14d178c37f20d2b2b89855da884e20867d78bd03d0cfbb636f7515a. Chain 2 (Bitcoin): anchored in block 954039 (2026-06-17T03:00:41Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/3def6253-7284-47ee-8521-600ddf300350.json and https://artists.proofprofile.net/proofs/artist/3def6253-7284-47ee-8521-600ddf300350.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-17T03:00:41Z
  text: {"copyright_id":"0x349e9222b14d178c37f20d2b2b89855da884e20867d78bd03d0cfbb636f7515a","name":"Marcos Assumpção","registered_at":"2026-06-16T11:08:43Z","symbol":"NIM1033050","token_address":"0x8cc9a30044d4ad07bd22747e063731bf733b9822","type":"artist","uuid":"3def6253-7284-47ee-8521-600ddf300350"}
album: Marcos Assumpção
  type: MusicAlbum
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