Murda Mook
type: MusicGroup
description: John Julius Ancrum, better known by his stage names Murda Mookie and Mook, is an American rapper based out of Harlem, New York. He is a veteran of East-Coast street rap battles, and has influenced th
popularity: 2
followers: 62
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subject of: OpenTimestamps Proof of Existence
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track: Expect The Unexpected
track: Boyz In The Hood ft Murda Mook

Expect The Unexpected
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duration: PT5M25S
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explicit: false
by artist: Cassidy
by artist: Murda Mook
in album: Banana Clips Vol. 1
  type: MusicAlbum
  date published: 2018-10-17
genre: trap
genre: southern-hip-hop
genre: hip-pop
genre: philly-rap
genre: battle-rap
genre: hardcore-hip-hop
isrc code: CA5KR1836168
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additional property: OTSVerifyInstructions
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  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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  date published: 2026-07-07T14:04:01Z
audio: Expect The Unexpected
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  additional property: Acousticness
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  additional property: Key Name
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  additional property: Mode Name
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Boyz In The Hood ft Murda Mook
type: MusicRecording
duration: PT3M33S
duration ms: 213492
explicit: false
by artist: Cassidy
by artist: Murda Mook
in album: Don't Trust Anyone 3
  type: MusicAlbum
  date published: 2015-12-28
genre: trap
genre: southern-hip-hop
genre: hip-pop
genre: philly-rap
genre: battle-rap
genre: hardcore-hip-hop
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2e5c278b0da22513c653ea3515ee96a257900f706949c902572942e915d38c8c. Chain 2 (Bitcoin): anchored in block 960368 (2026-07-31T08:26:41Z), 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/CA5KR1812647.
  date published: 2026-07-31T08:26:41Z
audio: Boyz In The Hood ft Murda Mook
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    value: -13.227
  additional property: Key Name
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    value: D
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    type: PropertyValue
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isrc code: CA5KR1812647
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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 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