Hélia Sandra
type: MusicGroup
genre: kizomba
genre: zouk
popularity: 18
followers: 1858
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x2590ab4eb99ee6a79af4c3d5f332d013e9e312c3d5c82e3ffd910990c217d7ba
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953657
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953657
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/4c4be687-c1c8-480e-a430-b18f3ec3d91a.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/4c4be687-c1c8-480e-a430-b18f3ec3d91a.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/4c4be687-c1c8-480e-a430-b18f3ec3d91a
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-14T16:43:25Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x2590ab4eb99ee6a79af4c3d5f332d013e9e312c3d5c82e3ffd910990c217d7ba","name":"Hélia Sandra","registered_at":"2026-06-14T12:33:18Z","symbol":"NIM0454167","token_address":"0xb8372c735486d0eacb7fddcc7835d9a59bf3bf38","type":"artist","uuid":"4c4be687-c1c8-480e-a430-b18f3ec3d91a"}
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 0x2590ab4eb99ee6a79af4c3d5f332d013e9e312c3d5c82e3ffd910990c217d7ba. Chain 2 (Bitcoin): anchored in block 953657 (2026-06-14T16:43:25Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/4c4be687-c1c8-480e-a430-b18f3ec3d91a.json and https://artists.proofprofile.net/proofs/artist/4c4be687-c1c8-480e-a430-b18f3ec3d91a.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-14T16:43:25Z
  text: {"copyright_id":"0x2590ab4eb99ee6a79af4c3d5f332d013e9e312c3d5c82e3ffd910990c217d7ba","name":"Hélia Sandra","registered_at":"2026-06-14T12:33:18Z","symbol":"NIM0454167","token_address":"0xb8372c735486d0eacb7fddcc7835d9a59bf3bf38","type":"artist","uuid":"4c4be687-c1c8-480e-a430-b18f3ec3d91a"}
album: VAMOS DEVOLVER
  type: MusicAlbum
  date published: 2024-08-11
album: BUNGLE BANG
  type: MusicAlbum
  date published: 2024-12-10
album: Me Merece
  type: MusicAlbum
  date published: 2025-01-10
album: MANIFESTA
  type: MusicAlbum
  date published: 2025-07-19