Grupo Contágio
type: MusicGroup
genre: pagode
genre: samba
popularity: 2
followers: 274
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xb7bece2e34909baf572d510e4f2830c4cdaa288ecfe8ae2c374d270c3c34e56d
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954066
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954066
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/6403ffb3-42d6-4ba0-8fad-83c23db6f332.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/6403ffb3-42d6-4ba0-8fad-83c23db6f332.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/6403ffb3-42d6-4ba0-8fad-83c23db6f332
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-17T08:11:48Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xb7bece2e34909baf572d510e4f2830c4cdaa288ecfe8ae2c374d270c3c34e56d","name":"Grupo Contágio","registered_at":"2026-06-17T00:31:26Z","symbol":"NIM1224554","token_address":"0x3a071e808f83d456f90fc8d356a9ea8ba93d93d7","type":"artist","uuid":"6403ffb3-42d6-4ba0-8fad-83c23db6f332"}
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 0xb7bece2e34909baf572d510e4f2830c4cdaa288ecfe8ae2c374d270c3c34e56d. Chain 2 (Bitcoin): anchored in block 954066 (2026-06-17T08:11:48Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/6403ffb3-42d6-4ba0-8fad-83c23db6f332.json and https://artists.proofprofile.net/proofs/artist/6403ffb3-42d6-4ba0-8fad-83c23db6f332.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-17T08:11:48Z
  text: {"copyright_id":"0xb7bece2e34909baf572d510e4f2830c4cdaa288ecfe8ae2c374d270c3c34e56d","name":"Grupo Contágio","registered_at":"2026-06-17T00:31:26Z","symbol":"NIM1224554","token_address":"0x3a071e808f83d456f90fc8d356a9ea8ba93d93d7","type":"artist","uuid":"6403ffb3-42d6-4ba0-8fad-83c23db6f332"}
album: Ao Vivo em Ilha Bela
  type: MusicAlbum
  date published: 2012-09-04
album: Revitalizar
  type: MusicAlbum
  date published: 2016-09-15
album: Grupo Contágio no Estúdio Showlivre (Ao Vivo)
  type: MusicAlbum
  date published: 2018-10-31
album: Contágio 30 Anos (Ao Vivo)
  type: MusicAlbum
  date published: 2022-09-26