Horn House
type: MusicGroup
genre: jazz funk
description: thumb|Horn house from the back thumb|Main Gate thumb|Qiu Kailin (left); Qiu Changsheng and madam (center) Horn House () is a Hakka bar-style house located at Mei County, Xiyang, Fuliang village. It i
popularity: 16
followers: 864
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x399cb01a4b0f2a822cd16e9c3d7da2567b3c730b0e1d1a8bbdc3301db9147b24
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953674
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953674
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/5fe2685a-524b-4c1d-8880-d356984af296.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/5fe2685a-524b-4c1d-8880-d356984af296.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/5fe2685a-524b-4c1d-8880-d356984af296
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-14T19:07:16Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x399cb01a4b0f2a822cd16e9c3d7da2567b3c730b0e1d1a8bbdc3301db9147b24","name":"Horn House","registered_at":"2026-06-14T14:35:27Z","symbol":"NIM0483328","token_address":"0x614443f07e29adf4b0b289852122c8d8c6982142","type":"artist","uuid":"5fe2685a-524b-4c1d-8880-d356984af296"}
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 0x399cb01a4b0f2a822cd16e9c3d7da2567b3c730b0e1d1a8bbdc3301db9147b24. Chain 2 (Bitcoin): anchored in block 953674 (2026-06-14T19:07:16Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/5fe2685a-524b-4c1d-8880-d356984af296.json and https://artists.proofprofile.net/proofs/artist/5fe2685a-524b-4c1d-8880-d356984af296.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-14T19:07:16Z
  text: {"copyright_id":"0x399cb01a4b0f2a822cd16e9c3d7da2567b3c730b0e1d1a8bbdc3301db9147b24","name":"Horn House","registered_at":"2026-06-14T14:35:27Z","symbol":"NIM0483328","token_address":"0x614443f07e29adf4b0b289852122c8d8c6982142","type":"artist","uuid":"5fe2685a-524b-4c1d-8880-d356984af296"}
album: Human Synths
  type: MusicAlbum
  date published: 2022-03-08
album: S.Y.N.T
  type: MusicAlbum
  date published: 2022-10-28
album: Human Synths
  type: MusicAlbum
  date published: 2022-11-11