Seven Doors Piano
type: MusicGroup
popularity: 4
followers: 67
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x30249dc47ec072b03dc3e8baeaf0013ad10a979770c277d58d710b1cfa075c83
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953895
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953895
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/0fc27257-4109-4130-a113-537dd19414a6.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/0fc27257-4109-4130-a113-537dd19414a6.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/0fc27257-4109-4130-a113-537dd19414a6
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-16T05:46:35Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x30249dc47ec072b03dc3e8baeaf0013ad10a979770c277d58d710b1cfa075c83","name":"Seven Doors Piano","registered_at":"2026-06-15T18:58:52Z","symbol":"NIM0801536","token_address":"0x1f236db13334927afee8a321ffdc15d52432bf6b","type":"artist","uuid":"0fc27257-4109-4130-a113-537dd19414a6"}
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 0x30249dc47ec072b03dc3e8baeaf0013ad10a979770c277d58d710b1cfa075c83. Chain 2 (Bitcoin): anchored in block 953896 (2026-06-16T06:05:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/0fc27257-4109-4130-a113-537dd19414a6.json and https://artists.proofprofile.net/proofs/artist/0fc27257-4109-4130-a113-537dd19414a6.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-16T06:05:56Z
  text: {"copyright_id":"0x30249dc47ec072b03dc3e8baeaf0013ad10a979770c277d58d710b1cfa075c83","name":"Seven Doors Piano","registered_at":"2026-06-15T18:58:52Z","symbol":"NIM0801536","token_address":"0x1f236db13334927afee8a321ffdc15d52432bf6b","type":"artist","uuid":"0fc27257-4109-4130-a113-537dd19414a6"}
album: Send Them Off (Performed by Bastille) [Piano Version] [Original]
  type: MusicAlbum
  date published: 2018-05-25
album: Kids (OneRepublic Piano Version) [Original]
  type: MusicAlbum
  date published: 2018-05-25
album: Heathens (Twenty One Pilots Piano Version) [Original]
  type: MusicAlbum
  date published: 2018-05-25
album: The Greatest (Sia Piano Version) [Original]
  type: MusicAlbum
  date published: 2018-05-25
album: Cold Water (Major Lazer & Justin Bieber & MØ Piano Version) [Original]
  type: MusicAlbum
  date published: 2018-05-25
album: I Believe In You (Michael Buble Piano Version) [Original]
  type: MusicAlbum
  date published: 2018-05-25
album: Closer (The Chainsmokers & Halsey Piano Version) [Original]
  type: MusicAlbum
  date published: 2018-05-25
album: In The Name Of The Love (Martin Garrix & Bebe Rexha Piano Version) [Original]
  type: MusicAlbum
  date published: 2018-05-25
album: Sucker For Pain (Lil Wayne & Imagine Dragons Piano Version) [Original]
  type: MusicAlbum
  date published: 2018-05-25
album: Let Me Love You (DJ Snake & Justin Bieber Piano Version) [Original]
  type: MusicAlbum
  date published: 2018-05-25
album: Chilled Sleep
  type: MusicAlbum
  date published: 2025-07-01
album: Nature of Motion
  type: MusicAlbum
  date published: 2025-07-01
album: Gypsy Acts
  type: MusicAlbum
  date published: 2025-07-01
album: New Dream
  type: MusicAlbum
  date published: 2025-07-01
album: The Morning
  type: MusicAlbum
  date published: 2025-07-01