Hyderabad Brothers
type: MusicGroup
description: The Hyderabad Brothers, D. Raghavachari (b 1952) and D. Seshachari (1956-2024), were a Carnatic music singing duo. They were one among the most popular duo vocalists in Indian Classical Carnatic music
popularity: 5
followers: 26004
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x5e585a115b0ece02ce263208f87a9d7a82a68a9832c573e7d36304da0a29a19c
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954631
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954631
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/d21d0530-0ebe-45d3-95d7-58a4dc9fb768.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/d21d0530-0ebe-45d3-95d7-58a4dc9fb768.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/d21d0530-0ebe-45d3-95d7-58a4dc9fb768
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-21T02:46:24Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x5e585a115b0ece02ce263208f87a9d7a82a68a9832c573e7d36304da0a29a19c","name":"Hyderabad Brothers","registered_at":"2026-06-21T01:17:29Z","symbol":"NIM1773750","token_address":"0xe20d5be69589a8cf08fe36ff23aecc8efed8599b","type":"artist","uuid":"d21d0530-0ebe-45d3-95d7-58a4dc9fb768"}
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 0x5e585a115b0ece02ce263208f87a9d7a82a68a9832c573e7d36304da0a29a19c. Chain 2 (Bitcoin): anchored in block 954631 (2026-06-21T02:46:24Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/d21d0530-0ebe-45d3-95d7-58a4dc9fb768.json and https://artists.proofprofile.net/proofs/artist/d21d0530-0ebe-45d3-95d7-58a4dc9fb768.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-21T02:46:24Z
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album: Annapoorne
  type: MusicAlbum
  date published: 1980-02-11
album: Sobhillu Sapthaswara & Other Krithis
  type: MusicAlbum
  date published: 1983-03-19
album: Annapoorne
  type: MusicAlbum
  date published: 1991
album: Thyagaraja Krithis
  type: MusicAlbum
  date published: 1991-09-12
album: Hyderabad Brothers
  type: MusicAlbum
  date published: 1992-01-01
album: Vandeham & Other Krithis
  type: MusicAlbum
  date published: 1993-05-12
album: Carnatic Vocal - Hyderabad Brothers
  type: MusicAlbum
  date published: 1994
album: Tyagaraja Krithis - Hyderabad Brothers
  type: MusicAlbum
  date published: 2000-01-01
album: Balaji Anjali
  type: MusicAlbum
  date published: 2006-09-28
album: Pancharathna Krithis of Thyagaraja
  type: MusicAlbum
  date published: 2008
album: Classical Melodys
  type: MusicAlbum
  date published: 2008
album: Hyderabad Brothers - Carnatic Classical
  type: MusicAlbum
  date published: 2010-08-17
album: Hyderabad Brothers, Vol. 2 (Live at Sree Rama Seva Mandali, Bangalore)
  type: MusicAlbum
  date published: 2010-12-12
album: Hyderabad Brothers, Vol. 1 (Live at Sree Rama Seva Mandali, Bangalore)
  type: MusicAlbum
  date published: 2010-12-12
album: Chidanandam - Hyderabad Brothers (Live at Chidambaram)
  type: MusicAlbum
  date published: 2020-05-01
album: Tyagaraja Krithis - Hyderabad Brothers
  type: MusicAlbum
  date published: 2021-11-08
album: Sobhillu Sapthaswaera & Other Krithis
  type: MusicAlbum
  date published: 2022-02-26
album: Vandeham & Other Krithis
  type: MusicAlbum
  date published: 2022-03-08
album: Annapoorne
  type: MusicAlbum
  date published: 2022-04-13