Sparrow
type: MusicGroup
popularity: 4
followers: 129
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xcfbc59839f333e6e2efcdbe01abccaff1197d8eb9caaa3e75c0aa3073b8e7e32
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953879
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953879
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/091b655e-a95d-4989-9010-69748f015f60.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/091b655e-a95d-4989-9010-69748f015f60.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/091b655e-a95d-4989-9010-69748f015f60
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-16T02:57:35Z
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 0xcfbc59839f333e6e2efcdbe01abccaff1197d8eb9caaa3e75c0aa3073b8e7e32. Chain 2 (Bitcoin): anchored in block 953879 (2026-06-16T02:57:35Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/091b655e-a95d-4989-9010-69748f015f60.json and https://artists.proofprofile.net/proofs/artist/091b655e-a95d-4989-9010-69748f015f60.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-16T02:57:35Z
album: Juice's Wrld
  type: MusicAlbum
  date published: 2019-12-17
album: Light Work
  type: MusicAlbum
  date published: 2020-07-14
album: Late Summer Night
  type: MusicAlbum
  date published: 2020-11-14
album: Juice's Wrld
  type: MusicAlbum
  date published: 2022-05-21
album: More Than Friends
  type: MusicAlbum
  date published: 2022-06-22
album: Late Summer Night
  type: MusicAlbum
  date published: 2022-06-24
album: Young Love
  type: MusicAlbum
  date published: 2022-10-13
album: Jump
  type: MusicAlbum
  date published: 2022-10-13
album: Hell
  type: MusicAlbum
  date published: 2022-10-13
album: Nirvana
  type: MusicAlbum
  date published: 2023-03-03
album: Be reborn
  type: MusicAlbum
  date published: 2024-08-26
album: No umbrella
  type: MusicAlbum
  date published: 2024-09-05
album: SHUKKOO!!!!
  type: MusicAlbum
  date published: 2024-09-16
album: Cross
  type: MusicAlbum
  date published: 2024-09-23
album: Cross
  type: MusicAlbum
  date published: 2024-09-23
album: From bottom
  type: MusicAlbum
  date published: 2025-03-27
album: From bottom
  type: MusicAlbum
  date published: 2025-03-27
album: AJISAI
  type: MusicAlbum
  date published: 2025-06-24
album: AJISAI
  type: MusicAlbum
  date published: 2025-06-24
album: 春と修羅
  type: MusicAlbum
  date published: 2025-06-27
album: HARU TO SHURA
  type: MusicAlbum
  date published: 2025-06-27
album: Factory Star
  type: MusicAlbum
  date published: 2025-07-19
album: Factory Star
  type: MusicAlbum
  date published: 2025-07-19