Índigo
type: MusicGroup
genre: brazilian rock
popularity: 9
followers: 174
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x4a89aa29b5a427e415c5facafefc124e906a25b325dc8efd5d710688ebd51240
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954742
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954742
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/fe6fbbb0-3865-42c4-80b7-959fc7a751b1.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/fe6fbbb0-3865-42c4-80b7-959fc7a751b1.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/fe6fbbb0-3865-42c4-80b7-959fc7a751b1
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-21T20:46:40Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x4a89aa29b5a427e415c5facafefc124e906a25b325dc8efd5d710688ebd51240","name":"Índigo","registered_at":"2026-06-21T18:11:54Z","symbol":"NIM1995702","token_address":"0xffd26b4f39fa06098fe583dd89da734e46de7682","type":"artist","uuid":"fe6fbbb0-3865-42c4-80b7-959fc7a751b1"}
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 0x4a89aa29b5a427e415c5facafefc124e906a25b325dc8efd5d710688ebd51240. Chain 2 (Bitcoin): anchored in block 954742 (2026-06-21T20:46:40Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/fe6fbbb0-3865-42c4-80b7-959fc7a751b1.json and https://artists.proofprofile.net/proofs/artist/fe6fbbb0-3865-42c4-80b7-959fc7a751b1.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-21T20:46:40Z
  text: {"copyright_id":"0x4a89aa29b5a427e415c5facafefc124e906a25b325dc8efd5d710688ebd51240","name":"Índigo","registered_at":"2026-06-21T18:11:54Z","symbol":"NIM1995702","token_address":"0xffd26b4f39fa06098fe583dd89da734e46de7682","type":"artist","uuid":"fe6fbbb0-3865-42c4-80b7-959fc7a751b1"}
album: Conto as Horas
  type: MusicAlbum
  date published: 2021-12-23
album: Sex Appeal
  type: MusicAlbum
  date published: 2022-09-30