Jeff The Killer
type: MusicGroup
description: Jeff the Killer is a web horror character and creepypasta meme. While the initial concept of the character was created by DeviantArt and Newgrounds user "Sesseur", the character gained widespread popu
popularity: 2
followers: 1790
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  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
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  date published: 2026-06-20T19:10:41Z
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  type: MusicAlbum
  date published: 2021-05-18
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  type: MusicAlbum
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  type: MusicAlbum
  date published: 2021-05-25
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  type: MusicAlbum
  date published: 2022-04-26
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  type: MusicAlbum
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  type: MusicAlbum
  date published: 2024-09-26
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  type: MusicAlbum
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  type: MusicAlbum
  date published: 2025-01-22
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  type: MusicAlbum
  date published: 2025-01-26
album: Sting ray
  type: MusicAlbum
  date published: 2025-02-02
track: This Is Enemy's Mansion Bitch! Betta Take Yo Sensitive Ass Back to Friend's House Records

This Is Enemy's Mansion Bitch! Betta Take Yo Sensitive Ass Back to Friend's House Records
type: MusicRecording
duration: PT2M8S
duration ms: 128873
explicit: false
by artist: Jeff The Killer
in album: Our Friend's House ... Vol. 2 <3
  type: MusicAlbum
  date published: 2024-06-08
popularity: 1
isrc code: GX8LE2437561
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 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. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
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subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x534c8a4eed1e46bfbcf7bb367d7baa3ea1e293c7b79b6474bbc6ff0a4027203a. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GX8LE2437561.
  date published: 2026-07-08T03:53:27Z
audio: This Is Enemy's Mansion Bitch! Betta Take Yo Sensitive Ass Back to Friend's House Records
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  additional property: Liveness
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  additional property: Valence (Positivity)
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