Pierce
type: MusicGroup
popularity: 4
followers: 652
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x0af437bf4c2f4edfe1fb0df73941262a20db73eff30237c6e85940562219869d
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954065
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954065
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/4c2f40ca-d971-4ccd-a6c3-d97a675c4c16.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/4c2f40ca-d971-4ccd-a6c3-d97a675c4c16.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/4c2f40ca-d971-4ccd-a6c3-d97a675c4c16
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-17T08:10:43Z
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 0x0af437bf4c2f4edfe1fb0df73941262a20db73eff30237c6e85940562219869d. Chain 2 (Bitcoin): anchored in block 954065 (2026-06-17T08:10:43Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/4c2f40ca-d971-4ccd-a6c3-d97a675c4c16.json and https://artists.proofprofile.net/proofs/artist/4c2f40ca-d971-4ccd-a6c3-d97a675c4c16.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-17T08:10:43Z
album: Shadow
  type: MusicAlbum
  date published: 2019-02-08
album: Change
  type: MusicAlbum
  date published: 2019-05-02
album: Villain
  type: MusicAlbum
  date published: 2019-09-11
album: Villain
  type: MusicAlbum
  date published: 2019-09-11
album: Winner
  type: MusicAlbum
  date published: 2020-07-10
album: Stay
  type: MusicAlbum
  date published: 2022-02-11
album: Play
  type: MusicAlbum
  date published: 2022-09-30
album: Do you like yogurt
  type: MusicAlbum
  date published: 2023-03-03
album: GREEDY
  type: MusicAlbum
  date published: 2023-10-13
album: MAYO MAYO
  type: MusicAlbum
  date published: 2024-10-25
album: ICON
  type: MusicAlbum
  date published: 2025-04-25