Brad Blackburn
type: MusicGroup
description: Brad Lavale Blackburn Jr. (born May 25, 1977) is a retired American mixed martial artist. A professional from 2000 until 2011, he fought for the UFC, Bellator, the Maximum Fighting Championship, and t
popularity: 10
followers: 1117
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additional property: CopyrightChainExplorerURL
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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 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
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3c38441d99dc6adf9ee795a53439db36b677b347300e0404bf3c888f118e9d09. Chain 2 (Bitcoin): anchored in block 954667 (2026-06-21T07:29:20Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/db67bef7-3cac-401d-b066-98039d315f1e.json and https://artists.proofprofile.net/proofs/artist/db67bef7-3cac-401d-b066-98039d315f1e.ots, the client at https://opentimestamps.org runs `ots verify -f record.json proof.ots`.
  date published: 2026-06-21T07:29:20Z
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album: Color Coded
  type: MusicAlbum
  date published: 2014-11-17
album: Good Go Bad
  type: MusicAlbum
  date published: 2015-12-09
album: Burns Good
  type: MusicAlbum
  date published: 2016-04-11
album: Spoke Too Soon
  type: MusicAlbum
  date published: 2017-01-17
album: Through the Dark
  type: MusicAlbum
  date published: 2017-10-20
album: Easy
  type: MusicAlbum
  date published: 2019-11-08
album: Shadows
  type: MusicAlbum
  date published: 2019-12-06
album: Sweat
  type: MusicAlbum
  date published: 2020-02-07
album: The Quiet Type
  type: MusicAlbum
  date published: 2020-06-19
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    by artist: Brad Blackburn
    in album: The Quiet Type
      type: MusicAlbum
      date published: 2020-06-19
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    additional property: OTSTimestamp
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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 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
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      date published: 2026-07-06T01:25:57Z
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album: Shine With Me
  type: MusicAlbum
  date published: 2022-10-14
album: Something’s Not Right (Demo)
  type: MusicAlbum
  date published: 2023-06-14
album: By the Way
  type: MusicAlbum
  date published: 2024-11-22
album: Funny Feelings
  type: MusicAlbum
  date published: 2025-03-07
album: King Size Bed
  type: MusicAlbum
  date published: 2025-08-22
album: King Size Bed
  type: MusicAlbum
  date published: 2025-08-22