Ryou.kkkn
type: MusicGroup
genre: j-rap
popularity: 5
followers: 190
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xa337f458c0b78839defce72429307083be2534a4130e3c8283c90052dc32b6fa
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953924
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953924
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/1ca860e7-4b93-4651-90cc-1ec36b4cea16.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/1ca860e7-4b93-4651-90cc-1ec36b4cea16.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/1ca860e7-4b93-4651-90cc-1ec36b4cea16
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-16T09:52:28Z
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 0xa337f458c0b78839defce72429307083be2534a4130e3c8283c90052dc32b6fa. Chain 2 (Bitcoin): anchored in block 953949 (2026-06-16T13:28:01Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/1ca860e7-4b93-4651-90cc-1ec36b4cea16.json and https://artists.proofprofile.net/proofs/artist/1ca860e7-4b93-4651-90cc-1ec36b4cea16.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-16T13:28:01Z
album: 24hour
  type: MusicAlbum
  date published: 2021-12-05
album: 24hour
  type: MusicAlbum
  date published: 2021-12-05
album: Flying Dya
  type: MusicAlbum
  date published: 2021-12-10
album: Flying Dya
  type: MusicAlbum
  date published: 2021-12-10
album: LIT TIME
  type: MusicAlbum
  date published: 2022-04-30
album: LIT TIME
  type: MusicAlbum
  date published: 2022-04-30
album: 『汚大人』 RKN
  type: MusicAlbum
  date published: 2022-06-25
album: [KITANAIOTONA] RKN
  type: MusicAlbum
  date published: 2022-06-25
album: Still loading...
  type: MusicAlbum
  date published: 2023-03-04
album: Still loading...
  type: MusicAlbum
  date published: 2023-03-04
album: Happy END
  type: MusicAlbum
  date published: 2023-04-08
album: Happy END
  type: MusicAlbum
  date published: 2023-04-08
album: Grant
  type: MusicAlbum
  date published: 2023-04-17
album: Grant
  type: MusicAlbum
  date published: 2023-04-17
album: From now on
  type: MusicAlbum
  date published: 2023-06-03
album: From now on
  type: MusicAlbum
  date published: 2023-06-03
album: Precious time
  type: MusicAlbum
  date published: 2023-07-16
album: Precious time
  type: MusicAlbum
  date published: 2023-07-16
album: AREA 0532
  type: MusicAlbum
  date published: 2023-10-23
album: AREA 0532
  type: MusicAlbum
  date published: 2023-10-23
album: On my way up
  type: MusicAlbum
  date published: 2024-07-21
album: On my way up
  type: MusicAlbum
  date published: 2024-07-21
album: MID SUMMER
  type: MusicAlbum
  date published: 2024-09-15
album: MID SUMMER
  type: MusicAlbum
  date published: 2024-09-15
album: THIS IS IT!!
  type: MusicAlbum
  date published: 2024-12-29
album: THIS IS IT!!
  type: MusicAlbum
  date published: 2024-12-29