Cho_Nans
type: MusicGroup
popularity: 5
followers: 2497
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x599dabaad5192a4d807f7d6edf7f3f76b7fab02aef8f10ae74d0e287784d9640
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/74723410-2c0c-41dd-9e55-7c68dd7712b7.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/74723410-2c0c-41dd-9e55-7c68dd7712b7.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/74723410-2c0c-41dd-9e55-7c68dd7712b7
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 0x599dabaad5192a4d807f7d6edf7f3f76b7fab02aef8f10ae74d0e287784d9640. 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/74723410-2c0c-41dd-9e55-7c68dd7712b7.json and https://artists.proofprofile.net/proofs/artist/74723410-2c0c-41dd-9e55-7c68dd7712b7.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-17T08:11:48Z
album: C_N_S_J
  type: MusicAlbum
  date published: 2018-05-25
album: C_N_S_J
  type: MusicAlbum
  date published: 2018-05-25
album: Kimi Wo Omotta Kaisuu
  type: MusicAlbum
  date published: 2018-07-27
album: 君を想った回数
  type: MusicAlbum
  date published: 2018-07-27
album: 見て見ないふり
  type: MusicAlbum
  date published: 2018-09-14
album: Miteminaifuri
  type: MusicAlbum
  date published: 2018-09-14
album: 美しさ
  type: MusicAlbum
  date published: 2018-12-31
album: Utsukushisa
  type: MusicAlbum
  date published: 2018-12-31
album: knock
  type: MusicAlbum
  date published: 2019-05-10
album: knock
  type: MusicAlbum
  date published: 2019-05-10
album: C_N_1_A
  type: MusicAlbum
  date published: 2019-12-11
album: C_N_1_A
  type: MusicAlbum
  date published: 2019-12-11
album: CATCH ME IF YOU CAN！
  type: MusicAlbum
  date published: 2020-02-07
album: CATCH ME IF YOU CAN !
  type: MusicAlbum
  date published: 2020-02-07
album: Anata No Sei Ni Shimashou
  type: MusicAlbum
  date published: 2020-07-03
album: あなたのせいにしましょう
  type: MusicAlbum
  date published: 2020-07-03
album: 2番目にして
  type: MusicAlbum
  date published: 2021-01-01
album: Nibanmenishite
  type: MusicAlbum
  date published: 2021-01-01
album: ラブレター
  type: MusicAlbum
  date published: 2021-10-21
album: Love Letter
  type: MusicAlbum
  date published: 2021-10-21
album: BAD END
  type: MusicAlbum
  date published: 2024-06-29
album: BAD END
  type: MusicAlbum
  date published: 2024-06-29