Korja
type: MusicGroup
popularity: 5
followers: 911
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xd7308f995b60bc3ad350f57bdef6ddb6f424ef84f9076378e87a385d8b37c294
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954549
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954549
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/a965a19a-7e5b-43b6-a38c-6831705b2f8d.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/a965a19a-7e5b-43b6-a38c-6831705b2f8d.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/a965a19a-7e5b-43b6-a38c-6831705b2f8d
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-20T10:56:20Z
additional property: OTSCanonicalRecord
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 0xd7308f995b60bc3ad350f57bdef6ddb6f424ef84f9076378e87a385d8b37c294. Chain 2 (Bitcoin): anchored in block 954549 (2026-06-20T10:56:20Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/a965a19a-7e5b-43b6-a38c-6831705b2f8d.json and https://artists.proofprofile.net/proofs/artist/a965a19a-7e5b-43b6-a38c-6831705b2f8d.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-20T10:56:20Z
album: Hey Ho Babou
  type: MusicAlbum
  date published: 2015-03-03
album: Let's Grow!
  type: MusicAlbum
  date published: 2016-02-02
album: Teto Preto
  type: MusicAlbum
  date published: 2018-09-10
album: Baganário
  type: MusicAlbum
  date published: 2020-07-09
album: THC
  type: MusicAlbum
  date published: 2021-07-23
album: Korja - Livre Pra Fumar
  type: MusicAlbum
  date published: 2022-01-14
album: Korja - Cat a Fire
  type: MusicAlbum
  date published: 2022-04-01
album: Debra Green
  type: MusicAlbum
  date published: 2023-12-08
album: Punk Rock Maconheiro
  type: MusicAlbum
  date published: 2024-07-05