Haunted House
type: MusicGroup
description: thumb|1921 silent film The Haunted House starring Buster Keaton. (house appears at 11:00 and later) thumb|250px|Casa Jean Troianos, known as the "House with Ghosts", in Brăila, Romania A haunted hous
popularity: 2
followers: 22
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x90e3ec2ee4bc7e7cbaff927f032f62724175fe6691eecd325d2e3c2785d13ffa
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954069
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954069
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/7a3d4c1b-3a20-43c0-a382-27c7d1fd2a05.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/7a3d4c1b-3a20-43c0-a382-27c7d1fd2a05.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/7a3d4c1b-3a20-43c0-a382-27c7d1fd2a05
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-17T08:30:25Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x90e3ec2ee4bc7e7cbaff927f032f62724175fe6691eecd325d2e3c2785d13ffa","name":"Haunted House","registered_at":"2026-06-17T08:15:07Z","symbol":"NIM1335167","token_address":"0xb4b48b00a3d9f5e48e400d57d4ad8e088953be9f","type":"artist","uuid":"7a3d4c1b-3a20-43c0-a382-27c7d1fd2a05"}
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x90e3ec2ee4bc7e7cbaff927f032f62724175fe6691eecd325d2e3c2785d13ffa. Chain 2 (Bitcoin): anchored in block 954069 (2026-06-17T08:30:25Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/7a3d4c1b-3a20-43c0-a382-27c7d1fd2a05.json and https://artists.proofprofile.net/proofs/artist/7a3d4c1b-3a20-43c0-a382-27c7d1fd2a05.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-17T08:30:25Z
  text: {"copyright_id":"0x90e3ec2ee4bc7e7cbaff927f032f62724175fe6691eecd325d2e3c2785d13ffa","name":"Haunted House","registered_at":"2026-06-17T08:15:07Z","symbol":"NIM1335167","token_address":"0xb4b48b00a3d9f5e48e400d57d4ad8e088953be9f","type":"artist","uuid":"7a3d4c1b-3a20-43c0-a382-27c7d1fd2a05"}
album: Haunted House
  type: MusicAlbum
  date published: 2023-01-13
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