Ha Chun Hwa
type: MusicGroup
popularity: 2
followers: 64
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
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  value: https://explorer.copyrightchains.com/tx/0x821f5418e7e5268a37b000d19e5fce292f72e2eacf57c4bbad95c13ec66d1f05
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954174
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954174
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/7d1e8aa9-d5d8-4f3a-8558-692620ad1bd2.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/7d1e8aa9-d5d8-4f3a-8558-692620ad1bd2.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/7d1e8aa9-d5d8-4f3a-8558-692620ad1bd2
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-18T03:01:36Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x821f5418e7e5268a37b000d19e5fce292f72e2eacf57c4bbad95c13ec66d1f05","name":"Ha Chun Hwa","registered_at":"2026-06-17T09:18:02Z","symbol":"NIM1350173","token_address":"0x3dac39f8f1e44dee9716ded0c2c2856b050ccd54","type":"artist","uuid":"7d1e8aa9-d5d8-4f3a-8558-692620ad1bd2"}
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 0x821f5418e7e5268a37b000d19e5fce292f72e2eacf57c4bbad95c13ec66d1f05. Chain 2 (Bitcoin): anchored in block 954174 (2026-06-18T03:01:36Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/7d1e8aa9-d5d8-4f3a-8558-692620ad1bd2.json and https://artists.proofprofile.net/proofs/artist/7d1e8aa9-d5d8-4f3a-8558-692620ad1bd2.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-18T03:01:36Z
  text: {"copyright_id":"0x821f5418e7e5268a37b000d19e5fce292f72e2eacf57c4bbad95c13ec66d1f05","name":"Ha Chun Hwa","registered_at":"2026-06-17T09:18:02Z","symbol":"NIM1350173","token_address":"0x3dac39f8f1e44dee9716ded0c2c2856b050ccd54","type":"artist","uuid":"7d1e8aa9-d5d8-4f3a-8558-692620ad1bd2"}
album: Ha Chun-Hwa's Stereo, A Folk Song, A Solo Collection Of Pops (Always Longing)
  type: MusicAlbum
  date published: 1971-07-01
album: Go Bong-San's Composition Book (One Waterbird)
  type: MusicAlbum
  date published: 1971-07-02
album: Ha Chun-Hwa's Stereo Folk Song Collection (Good Job, Good Job)
  type: MusicAlbum
  date published: 1971-08-01
album: Composed and Arranged by Go Bong-san (A loving Couple)
  type: MusicAlbum
  date published: 1971-11-01
album: Ha Chun Hwa's Special New Songs
  type: MusicAlbum
  date published: 1972-05-01
album: Composed by Park Chun-Seok (Yeonpo Girl)
  type: MusicAlbum
  date published: 1972-05-30
album: Composed by Bae Sang-tae (Nostalgia)
  type: MusicAlbum
  date published: 1972-09-30
album: Ha Chun Hwa's Hit song 3rd Album (The Story of Fist Love)
  type: MusicAlbum
  date published: 1972-12-10
album: The Second Album of Ha Chun Hwa's Stereo Folk songs (Yeongam Arirang)
  type: MusicAlbum
  date published: 1972-12-25
album: Composed by Han San-do (The Namhae Girl Picking Citron)
  type: MusicAlbum
  date published: 1973-02-01
album: Ha Chun Hwa Folk Song Paldo Arirang Series (Jejudo Arirang)
  type: MusicAlbum
  date published: 1973-03-01
album: Ha Chun Hwa's Stereo 5th Album (Acacia)
  type: MusicAlbum
  date published: 1973-05-01
album: Composed by Park Chun Seok (Ha Chun Hwa - Please Know That)
  type: MusicAlbum
  date published: 1973-06-25
album: Ha Chun Hwa Stereo 7th Album (Flower Palanquin)
  type: MusicAlbum
  date published: 1973-12-20
album: Ha Chun Hwa's 8th Stereo Selection Album (Stacked Feeling)
  type: MusicAlbum
  date published: 1973-12-31
album: The 6th Album of Ha Chun Hwa's Stereo Selection (On Your Way Here)
  type: MusicAlbum
  date published: 1974-01-01
album: Ha Chun Hwa's Stereo First Album (Good Job, Good Job)
  type: MusicAlbum
  date published: 1974-04-01
album: Nostalgic Old Song Sung by Ha Chun Hwa (Maiden by the Lake / Tumen River with Tears)
  type: MusicAlbum
  date published: 1974-08-28
album: Ha Chun Hwa's Collection of Exciting Songs (Jang Seungpo Lady)
  type: MusicAlbum
  date published: 1975-02-19
album: Ha Chun Hwa's Stereo 2nd Album (Stacked Feeling)
  type: MusicAlbum
  date published: 1975-03-01
album: Ha Chunhwa Hit Complete Collection
  type: MusicAlbum
  date published: 1989-01-01
album: Ha Chunhwa Song Casement Ancient Times 2.
  type: MusicAlbum
  date published: 1990-01-01
album: Ha Chunhwa Song Casement Ancient Times 1.
  type: MusicAlbum
  date published: 1990-01-01
album: Man Who Left Me/A Piece of Clouds
  type: MusicAlbum
  date published: 1990-09-03
album: The Man Who Abandoned Me, I Hate You
  type: MusicAlbum
  date published: 1991-06-01
album: Disco Trot Medley
  type: MusicAlbum
  date published: 1991-07-01
album: Love Is a Long Way
  type: MusicAlbum
  date published: 1992-01-01
album: I Fear the Night/Crying For Love and Crying For You
  type: MusicAlbum
  date published: 1992-01-27
album: Live Performance Album of Anniversary Concert for the Twentieth Year as Singer
  type: MusicAlbum
  date published: 1992-09-02
album: Golden Hit Best Album
  type: MusicAlbum
  date published: 1993-06-15
album: Ha Chun Hwa Golden Hits Ultimate Collection
  type: MusicAlbum
  date published: 1993-07-01
album: Teuroteu Disco Medley
  type: MusicAlbum
  date published: 1993-07-21
album: Innocence/You Became a Stranger
  type: MusicAlbum
  date published: 1993-09-24
album: Go If You Want to Go/What Do You Mean It Didn't Happen
  type: MusicAlbum
  date published: 1995-11-15
album: Life / Woman of the Harbor
  type: MusicAlbum
  date published: 1998-12-01
album: Why Are You/Love Seperately
  type: MusicAlbum
  date published: 2000-05-01
album: Celebrating Collection of 40 Years Since Her Debut
  type: MusicAlbum
  date published: 2000-11-01
album: 40th Aniversary Album New Released Songs & Hit Songs(2CD)
  type: MusicAlbum
  date published: 2000-11-01
album: 40 Years of Singing - Celebration Collection(2MC)
  type: MusicAlbum
  date published: 2000-11-01
album: Live Album ; The 40th Aniversary Performance
  type: MusicAlbum
  date published: 2001-05-01
album: Ha Chun Hwa 40 Years of Singing - Live Performance 1, 2
  type: MusicAlbum
  date published: 2001-05-01
album: 하춘화 2004 (2CD) - CD1 + 트롯메들리 CD2
  type: MusicAlbum
  date published: 2004-04-01
album: Why Are You Here Now
  type: MusicAlbum
  date published: 2004-12-01
album: The 45th Anniversary Celebrational Album
  type: MusicAlbum
  date published: 2015-02-02