Siska Valentina
type: MusicGroup
popularity: 7
followers: 218
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xc485f4fe0f185fd4f4a9d40d8ad739a857253b22e576bf36ec231bc3564028f4
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954667
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954667
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/b3c40ba1-b7cf-4cc6-9433-73f1c2e5d55a.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/b3c40ba1-b7cf-4cc6-9433-73f1c2e5d55a.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/b3c40ba1-b7cf-4cc6-9433-73f1c2e5d55a
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-21T07:29:20Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xc485f4fe0f185fd4f4a9d40d8ad739a857253b22e576bf36ec231bc3564028f4","name":"Siska Valentina","registered_at":"2026-06-20T14:01:21Z","symbol":"NIM1625530","token_address":"0xf23ebda20a4db3bb9d659d09b333ed86d39008dc","type":"artist","uuid":"b3c40ba1-b7cf-4cc6-9433-73f1c2e5d55a"}
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc485f4fe0f185fd4f4a9d40d8ad739a857253b22e576bf36ec231bc3564028f4. Chain 2 (Bitcoin): anchored in block 954667 (2026-06-21T07:29:20Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/b3c40ba1-b7cf-4cc6-9433-73f1c2e5d55a.json and https://artists.proofprofile.net/proofs/artist/b3c40ba1-b7cf-4cc6-9433-73f1c2e5d55a.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-21T07:29:20Z
  text: {"copyright_id":"0xc485f4fe0f185fd4f4a9d40d8ad739a857253b22e576bf36ec231bc3564028f4","name":"Siska Valentina","registered_at":"2026-06-20T14:01:21Z","symbol":"NIM1625530","token_address":"0xf23ebda20a4db3bb9d659d09b333ed86d39008dc","type":"artist","uuid":"b3c40ba1-b7cf-4cc6-9433-73f1c2e5d55a"}
album: Yang Paling Mengerti
  type: MusicAlbum
  date published: 2005-12-16
album: Menyenangkan Hati-Mu
  type: MusicAlbum
  date published: 2007-02-14