Mc Igreja
type: MusicGroup
popularity: 2
followers: 109
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xf7d2c2c0162f7cf1d7b36ef847b3fd2121f748679d0153c545e59f086995c950
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954784
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954784
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/f1c295dd-f04a-40b7-bc94-e2f5c6b790fb.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/f1c295dd-f04a-40b7-bc94-e2f5c6b790fb.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/f1c295dd-f04a-40b7-bc94-e2f5c6b790fb
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-22T02:53:59Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xf7d2c2c0162f7cf1d7b36ef847b3fd2121f748679d0153c545e59f086995c950","name":"Mc Igreja","registered_at":"2026-06-21T13:36:02Z","symbol":"NIM1933345","token_address":"0x6f992b94d91ff9c5ec83bda804f8a62541bd2d7e","type":"artist","uuid":"f1c295dd-f04a-40b7-bc94-e2f5c6b790fb"}
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf7d2c2c0162f7cf1d7b36ef847b3fd2121f748679d0153c545e59f086995c950. Chain 2 (Bitcoin): anchored in block 954784 (2026-06-22T02:53:59Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/f1c295dd-f04a-40b7-bc94-e2f5c6b790fb.json and https://artists.proofprofile.net/proofs/artist/f1c295dd-f04a-40b7-bc94-e2f5c6b790fb.ots, the client at https://opentimestamps.org runs `ots verify -f record.json proof.ots`.
  date published: 2026-06-22T02:53:59Z
  text: {"copyright_id":"0xf7d2c2c0162f7cf1d7b36ef847b3fd2121f748679d0153c545e59f086995c950","name":"Mc Igreja","registered_at":"2026-06-21T13:36:02Z","symbol":"NIM1933345","token_address":"0x6f992b94d91ff9c5ec83bda804f8a62541bd2d7e","type":"artist","uuid":"f1c295dd-f04a-40b7-bc94-e2f5c6b790fb"}
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  type: MusicAlbum
  date published: 2022-09-12
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