4Tact
type: MusicGroup
popularity: 16
followers: 141
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x07d564564ffe747f8ce1ef2d20583b5197ec4b5c765e2d6eccf67508e084c2f4
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953681
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953681
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/6414a346-7876-44d5-86a7-fa0bc61572eb.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/6414a346-7876-44d5-86a7-fa0bc61572eb.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/6414a346-7876-44d5-86a7-fa0bc61572eb
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-14T19:31:23Z
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 0x07d564564ffe747f8ce1ef2d20583b5197ec4b5c765e2d6eccf67508e084c2f4. Chain 2 (Bitcoin): anchored in block 953699 (2026-06-14T22:00:24Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/6414a346-7876-44d5-86a7-fa0bc61572eb.json and https://artists.proofprofile.net/proofs/artist/6414a346-7876-44d5-86a7-fa0bc61572eb.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-14T22:00:24Z
album: Geh dein Weg
  type: MusicAlbum
  date published: 2022-08-19
album: Next
  type: MusicAlbum
  date published: 2023-07-18
album: Cobra Riddim
  type: MusicAlbum
  date published: 2023-09-02
album: Knight Rider
  type: MusicAlbum
  date published: 2023-12-20
album: Pero Duro (Brazilian Funk Remix)
  type: MusicAlbum
  date published: 2024-08-16
album: GTAfro house (Remix)
  type: MusicAlbum
  date published: 2025-04-11
album: NANTONINA
  type: MusicAlbum
  date published: 2025-05-09
album: Slow Motion
  type: MusicAlbum
  date published: 2025-05-16
album: Alive
  type: MusicAlbum
  date published: 2025-07-25
album: Shumaya
  type: MusicAlbum
  date published: 2025-08-22