A Banca
type: MusicGroup
genre: brazilian rock
description: A Banca (Portuguese for "The Stand") was a very short-lived Brazilian alternative rock band from Santos, São Paulo, composed mostly by former Charlie Brown Jr. members and described as a "spiritual su
popularity: 24
followers: 1791
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x225bacc6b2c20fdf166a13eda1b27624ec3ace6447783efa74341f8f1ef024f7
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953407
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953407
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/9a5d1424-3d93-4822-bf5a-754fccdc382e.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/9a5d1424-3d93-4822-bf5a-754fccdc382e.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/9a5d1424-3d93-4822-bf5a-754fccdc382e
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-12T19:24:56Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x225bacc6b2c20fdf166a13eda1b27624ec3ace6447783efa74341f8f1ef024f7","name":"A Banca","registered_at":"2026-06-12T05:25:40Z","symbol":"NIM0200024","token_address":"0xf1cb7f20fc90720259031c42e73fe9c792e07ee9","type":"artist","uuid":"9a5d1424-3d93-4822-bf5a-754fccdc382e"}
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 0x225bacc6b2c20fdf166a13eda1b27624ec3ace6447783efa74341f8f1ef024f7. Chain 2 (Bitcoin): anchored in block 953408 (2026-06-12T19:28:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/9a5d1424-3d93-4822-bf5a-754fccdc382e.json and https://artists.proofprofile.net/proofs/artist/9a5d1424-3d93-4822-bf5a-754fccdc382e.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-12T19:28:13Z
  text: {"copyright_id":"0x225bacc6b2c20fdf166a13eda1b27624ec3ace6447783efa74341f8f1ef024f7","name":"A Banca","registered_at":"2026-06-12T05:25:40Z","symbol":"NIM0200024","token_address":"0xf1cb7f20fc90720259031c42e73fe9c792e07ee9","type":"artist","uuid":"9a5d1424-3d93-4822-bf5a-754fccdc382e"}
album: O Novo Passo
  type: MusicAlbum
  date published: 2013-08-24
album: Soul Df
  type: MusicAlbum
  date published: 2014-11-20
album: Bang
  type: MusicAlbum
  date published: 2016-08-15