G-CLEF
type: MusicGroup
popularity: 6
followers: 857
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xe9b2ec3107ee71d2d7b3fd96965d97da0f86b1743d63daa07db0cffc2f8feaaf
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954603
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954603
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/c07992c3-b25b-4c95-b213-41413827caa2.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/c07992c3-b25b-4c95-b213-41413827caa2.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/c07992c3-b25b-4c95-b213-41413827caa2
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-20T21:47:54Z
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 0xe9b2ec3107ee71d2d7b3fd96965d97da0f86b1743d63daa07db0cffc2f8feaaf. Chain 2 (Bitcoin): anchored in block 954603 (2026-06-20T21:47:54Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/c07992c3-b25b-4c95-b213-41413827caa2.json and https://artists.proofprofile.net/proofs/artist/c07992c3-b25b-4c95-b213-41413827caa2.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-20T21:47:54Z
album: PELL-MELL
  type: MusicAlbum
  date published: 1989
album: PELL-MELL
  type: MusicAlbum
  date published: 1989-08-21
album: 五右衛門
  type: MusicAlbum
  date published: 1990
album: キッス･トゥ･フェンス
  type: MusicAlbum
  date published: 1990
album: G-クレフ IV ハッピー・ボックス
  type: MusicAlbum
  date published: 1991
album: G-クレフ IV ハッピー・ボックス
  type: MusicAlbum
  date published: 1991-06-01
album: 12
  type: MusicAlbum
  date published: 1992
album: 「空がこんなに青いわけがない」サウンドトラック
  type: MusicAlbum
  date published: 1992
album: 12
  type: MusicAlbum
  date published: 1992-05-21
album: g
  type: MusicAlbum
  date published: 1993
album: BESTっと
  type: MusicAlbum
  date published: 1994
album: Dear Friends
  type: MusicAlbum
  date published: 1994
album: Dear Friends
  type: MusicAlbum
  date published: 1994-06-22
album: オーガニック・スタイル G-クレフ the BEST
  type: MusicAlbum
  date published: 2007-06-20
album: オーガニック・スタイル G-クレフ the BEST
  type: MusicAlbum
  date published: 2007-06-20
album: GOLDEN☆BEST G-クレフ〜Golden Balls
  type: MusicAlbum
  date published: 2012-11-14