cocuri
type: MusicGroup
genre: city pop
popularity: 3
followers: 284
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x667c41817815cbf9cf1ec6b52c6ad25c4d6615bc0f3fbbee7fae1ab9275891f2
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954513
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954513
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/9df958ac-b8a2-45e8-b054-41e7aaa89f21.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/9df958ac-b8a2-45e8-b054-41e7aaa89f21.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/9df958ac-b8a2-45e8-b054-41e7aaa89f21
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-20T06:31:18Z
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 0x667c41817815cbf9cf1ec6b52c6ad25c4d6615bc0f3fbbee7fae1ab9275891f2. Chain 2 (Bitcoin): anchored in block 954513 (2026-06-20T06:31:18Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/9df958ac-b8a2-45e8-b054-41e7aaa89f21.json and https://artists.proofprofile.net/proofs/artist/9df958ac-b8a2-45e8-b054-41e7aaa89f21.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-20T06:31:18Z
album: Cycle
  type: MusicAlbum
  date published: 2020-08-23
album: Cycle
  type: MusicAlbum
  date published: 2020-08-23
album: 向日葵の頃
  type: MusicAlbum
  date published: 2020-09-04
album: Sunflower
  type: MusicAlbum
  date published: 2020-09-04
album: peaceful youth
  type: MusicAlbum
  date published: 2020-09-20
album: peaceful youth
  type: MusicAlbum
  date published: 2020-09-20
album: コンティニュー
  type: MusicAlbum
  date published: 2020-10-18
album: continue
  type: MusicAlbum
  date published: 2020-10-18
album: Do it
  type: MusicAlbum
  date published: 2021-05-13
album: Do it
  type: MusicAlbum
  date published: 2021-05-13
album: Galaxism
  type: MusicAlbum
  date published: 2023-12-25
album: Galaxism
  type: MusicAlbum
  date published: 2023-12-25
album: WA
  type: MusicAlbum
  date published: 2024-09-24
album: TAI
  type: MusicAlbum
  date published: 2024-09-24
album: TAI
  type: MusicAlbum
  date published: 2024-09-24
album: WA
  type: MusicAlbum
  date published: 2024-09-24
album: Soil & Flower (naked mix)
  type: MusicAlbum
  date published: 2025-05-14
album: Soil & Flower
  type: MusicAlbum
  date published: 2025-05-14
album: Goodbye Earth
  type: MusicAlbum
  date published: 2025-10-08