Sipra Bose
type: MusicGroup
description: Sipra Bose (9 November 1945 – 22 April 2008) was a noted singer in the Hindustani classical music tradition from Kolkata, India. Works She is noted for her rendering of light classical (Ragpradhan)
popularity: 2
followers: 296
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xc1f197271c23d2ac1d16b237e9daeb8f208342618e56be9c45fa18842a4c8e34
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954066
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954066
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/5de95686-958b-412f-b488-73b99b47d1f3.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/5de95686-958b-412f-b488-73b99b47d1f3.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/5de95686-958b-412f-b488-73b99b47d1f3
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-17T08:11:48Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xc1f197271c23d2ac1d16b237e9daeb8f208342618e56be9c45fa18842a4c8e34","name":"Sipra Bose","registered_at":"2026-06-16T22:17:36Z","symbol":"NIM1192638","token_address":"0x647d59c857e5296d0287f63ae467547742afac1d","type":"artist","uuid":"5de95686-958b-412f-b488-73b99b47d1f3"}
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 0xc1f197271c23d2ac1d16b237e9daeb8f208342618e56be9c45fa18842a4c8e34. Chain 2 (Bitcoin): anchored in block 954066 (2026-06-17T08:11:48Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/5de95686-958b-412f-b488-73b99b47d1f3.json and https://artists.proofprofile.net/proofs/artist/5de95686-958b-412f-b488-73b99b47d1f3.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-17T08:11:48Z
  text: {"copyright_id":"0xc1f197271c23d2ac1d16b237e9daeb8f208342618e56be9c45fa18842a4c8e34","name":"Sipra Bose","registered_at":"2026-06-16T22:17:36Z","symbol":"NIM1192638","token_address":"0x647d59c857e5296d0287f63ae467547742afac1d","type":"artist","uuid":"5de95686-958b-412f-b488-73b99b47d1f3"}
album: Phooler Dolay Aji Dole Shyamarai
  type: MusicAlbum
  date published: 1976-12-01
album: Kemone Bhuli Tomay
  type: MusicAlbum
  date published: 1984-12-01
album: Mon Naa Chhailey Gaan Hoi Naa
  type: MusicAlbum
  date published: 1990-07-31
album: Thumri - Sipra Bose and Mishra Sadra
  type: MusicAlbum
  date published: 2000-01-31
album: An Evening With Sipra Bose
  type: MusicAlbum
  date published: 2001
album: Ogo Amar Agamani Alo
  type: MusicAlbum
  date published: 2013-11-30