LEONTAS
type: MusicGroup
popularity: 3
followers: 623
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x53ce80e927d355a56c759150cb0e33ea5e22c8164987c09a696bdb95d1ccf93e
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954569
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954569
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/b2c899dc-1153-4098-82a2-4f28813a7cf0.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/b2c899dc-1153-4098-82a2-4f28813a7cf0.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/b2c899dc-1153-4098-82a2-4f28813a7cf0
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-20T14:36:29Z
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 0x53ce80e927d355a56c759150cb0e33ea5e22c8164987c09a696bdb95d1ccf93e. Chain 2 (Bitcoin): anchored in block 954569 (2026-06-20T14:36:29Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/b2c899dc-1153-4098-82a2-4f28813a7cf0.json and https://artists.proofprofile.net/proofs/artist/b2c899dc-1153-4098-82a2-4f28813a7cf0.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-20T14:36:29Z
album: Toxic Love
  type: MusicAlbum
  date published: 2017-04-06
album: Stand Out
  type: MusicAlbum
  date published: 2017-12-05
album: Stand Out
  type: MusicAlbum
  date published: 2017-12-05
album: Rhythm + Blues
  type: MusicAlbum
  date published: 2018-07-12
album: Rhythm + Blues
  type: MusicAlbum
  date published: 2018-07-12
album: Pick Me Up
  type: MusicAlbum
  date published: 2018-11-02
album: Alive
  type: MusicAlbum
  date published: 2019-10-11
album: Alive
  type: MusicAlbum
  date published: 2019-10-11
album: Guns Down
  type: MusicAlbum
  date published: 2020-05-01
album: Black Magic
  type: MusicAlbum
  date published: 2020-06-19
album: Black Magic
  type: MusicAlbum
  date published: 2020-06-19
album: Drive My Car
  type: MusicAlbum
  date published: 2020-09-11
album: Darkened Heart
  type: MusicAlbum
  date published: 2020-10-23
album: Darkened Heart
  type: MusicAlbum
  date published: 2020-10-23
album: Tainted Love
  type: MusicAlbum
  date published: 2020-12-18
album: Tainted Love
  type: MusicAlbum
  date published: 2020-12-18
album: Little Boy
  type: MusicAlbum
  date published: 2021-02-19
album: Little Boy
  type: MusicAlbum
  date published: 2021-02-19
album: Against the Wall
  type: MusicAlbum
  date published: 2021-05-21
album: Cobzar
  type: MusicAlbum
  date published: 2021-10-22
album: Unplugged Session
  type: MusicAlbum
  date published: 2022-01-28
album: 925
  type: MusicAlbum
  date published: 2022-04-01
album: 925
  type: MusicAlbum
  date published: 2022-04-01
album: Hindsight EP
  type: MusicAlbum
  date published: 2022-11-04
album: Great Escape
  type: MusicAlbum
  date published: 2024-03-14
album: Hard Descent
  type: MusicAlbum
  date published: 2024-06-21