Mala Sinha
type: MusicGroup
description: Mala Sinha (born Alda Sinha; 11 November 1936) is a former Indian actress who mainly worked in Hindi, and Bengali films. One of the most stylish, fashionable, glamorous star and dancing diva of her ti
popularity: 3
followers: 152
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x27d0217d1c8d888b527799d91ae0d29187e79bd6c5605bf8d7ae93b6a2d98d4c
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/c4a7ae9b-f0a6-4442-84ef-0de3a2524ca5.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/c4a7ae9b-f0a6-4442-84ef-0de3a2524ca5.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/c4a7ae9b-f0a6-4442-84ef-0de3a2524ca5
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-21T07:29:20Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x27d0217d1c8d888b527799d91ae0d29187e79bd6c5605bf8d7ae93b6a2d98d4c","name":"Mala Sinha","registered_at":"2026-06-20T20:57:11Z","symbol":"NIM1709438","token_address":"0xb25ec0ac29f8f1786fdc00e4f9c699e5d44c6aee","type":"artist","uuid":"c4a7ae9b-f0a6-4442-84ef-0de3a2524ca5"}
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 0x27d0217d1c8d888b527799d91ae0d29187e79bd6c5605bf8d7ae93b6a2d98d4c. 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/c4a7ae9b-f0a6-4442-84ef-0de3a2524ca5.json and https://artists.proofprofile.net/proofs/artist/c4a7ae9b-f0a6-4442-84ef-0de3a2524ca5.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-21T07:29:20Z
  text: {"copyright_id":"0x27d0217d1c8d888b527799d91ae0d29187e79bd6c5605bf8d7ae93b6a2d98d4c","name":"Mala Sinha","registered_at":"2026-06-20T20:57:11Z","symbol":"NIM1709438","token_address":"0xb25ec0ac29f8f1786fdc00e4f9c699e5d44c6aee","type":"artist","uuid":"c4a7ae9b-f0a6-4442-84ef-0de3a2524ca5"}