Kajin
type: MusicGroup
popularity: 2
followers: 146
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x275dd8187eede603f94429bd118014f110b7890101b0d4b91e34e8fd2f34f327
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/6eb89099-c4b5-40be-a0d3-0be60e46164b.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/6eb89099-c4b5-40be-a0d3-0be60e46164b.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/6eb89099-c4b5-40be-a0d3-0be60e46164b
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-17T08:11:48Z
additional property: OTSCanonicalRecord
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 0x275dd8187eede603f94429bd118014f110b7890101b0d4b91e34e8fd2f34f327. 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/6eb89099-c4b5-40be-a0d3-0be60e46164b.json and https://artists.proofprofile.net/proofs/artist/6eb89099-c4b5-40be-a0d3-0be60e46164b.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-17T08:11:48Z
album: as beautiful as a snowflake
  type: MusicAlbum
  date published: 2016-01-15
album: the parting season
  type: MusicAlbum
  date published: 2016-08-19
album: 견딜 수 없는 밤
  type: MusicAlbum
  date published: 2021-02-12
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  type: MusicAlbum
  date published: 2021-09-11
album: 보고 싶어서 그래
  type: MusicAlbum
  date published: 2022-01-27
album: Taepung's Bride OST Part.32 (Soundtrack)
  type: MusicAlbum
  date published: 2023-02-19
album: Coffee Fox Kim Sam Wol OST Part.30 (Soundtrack)
  type: MusicAlbum
  date published: 2023-03-25
album: Café Anchorage OST Part.11 (Soundtrack)
  type: MusicAlbum
  date published: 2023-04-29
album: 요조신사 마초숙녀 (Original Webtoon Soundtrack) Pt. 29
  type: MusicAlbum
  date published: 2023-05-20
album: 오, 보이! (Original Television Soundtrack), Pt. 23
  type: MusicAlbum
  date published: 2023-06-19
album: Oh, Boy! OST Part.23 (Soundtrack)
  type: MusicAlbum
  date published: 2023-06-19
album: PETER PANDA (Original Webtoon Soundtrack) Pt.26
  type: MusicAlbum
  date published: 2023-07-30
album: 잉어님과 떡볶이 OST Part.13
  type: MusicAlbum
  date published: 2023-09-16
album: 잉어님과 떡볶이 (Original Television Soundtrack), Pt. 13
  type: MusicAlbum
  date published: 2023-09-16
album: Holding you
  type: MusicAlbum
  date published: 2023-11-22
album: 피도 눈물도 없이 (Original Television Soundtrack), Pt. 15
  type: MusicAlbum
  date published: 2024-05-02
album: Before one more memory accumulates
  type: MusicAlbum
  date published: 2024-07-20
album: I wanted to be a good person
  type: MusicAlbum
  date published: 2024-11-04
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  type: MusicAlbum
  date published: 2024-11-14
album: I Miss the Way We Were
  type: MusicAlbum
  date published: 2025-04-18