Grupo Del 4
type: MusicGroup
popularity: 2
followers: 12
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x80e19f5d9c407f2b5bb87a5a3a36991510aee31e9df48be4cefdb0191d925651
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954065
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954065
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/479e2702-d133-4d8c-b5da-f3aed0e30a56.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/479e2702-d133-4d8c-b5da-f3aed0e30a56.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/479e2702-d133-4d8c-b5da-f3aed0e30a56
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-17T08:10:43Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x80e19f5d9c407f2b5bb87a5a3a36991510aee31e9df48be4cefdb0191d925651","name":"Grupo Del 4","registered_at":"2026-06-16T14:51:10Z","symbol":"NIM1086114","token_address":"0x42086bf0c2d48f2bcbd18815844997d111de986a","type":"artist","uuid":"479e2702-d133-4d8c-b5da-f3aed0e30a56"}
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 0x80e19f5d9c407f2b5bb87a5a3a36991510aee31e9df48be4cefdb0191d925651. Chain 2 (Bitcoin): anchored in block 954065 (2026-06-17T08:10:43Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/479e2702-d133-4d8c-b5da-f3aed0e30a56.json and https://artists.proofprofile.net/proofs/artist/479e2702-d133-4d8c-b5da-f3aed0e30a56.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-17T08:10:43Z
  text: {"copyright_id":"0x80e19f5d9c407f2b5bb87a5a3a36991510aee31e9df48be4cefdb0191d925651","name":"Grupo Del 4","registered_at":"2026-06-16T14:51:10Z","symbol":"NIM1086114","token_address":"0x42086bf0c2d48f2bcbd18815844997d111de986a","type":"artist","uuid":"479e2702-d133-4d8c-b5da-f3aed0e30a56"}
album: El Presente
  type: MusicAlbum
  date published: 2024-11-11
album: El Mundo Contra Mi
  type: MusicAlbum
  date published: 2025-03-19