Spencer Thomas
type: MusicGroup
description: Spencer Lee Thomas (born March 9, 1951) is an American former professional football player who was a safety in the National Football League (NFL) for the Washington Redskins and the Baltimore Colts. H
popularity: 4
followers: 588
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
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  value: https://explorer.copyrightchains.com/tx/0xfca0b7100051ca4ee6595c6b547ef27195efe81fcc3e28ea3b8e2ca3cdcefad3
additional property: OTSHash
additional property: OTSBitcoinBlock
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  value: 954623
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954623
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/cc118a60-41a3-4869-96b4-a5dc16464c0c.ots
additional property: OTSRecordURL
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  value: https://artists.proofprofile.net/proofs/artist/cc118a60-41a3-4869-96b4-a5dc16464c0c.json
additional property: OTSVerificationAPI
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additional property: OTSCanonicalRecord
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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
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfca0b7100051ca4ee6595c6b547ef27195efe81fcc3e28ea3b8e2ca3cdcefad3. Chain 2 (Bitcoin): anchored in block 954623 (2026-06-20T23:40:06Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/cc118a60-41a3-4869-96b4-a5dc16464c0c.json and https://artists.proofprofile.net/proofs/artist/cc118a60-41a3-4869-96b4-a5dc16464c0c.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-20T23:40:06Z
  text: {"copyright_id":"0xfca0b7100051ca4ee6595c6b547ef27195efe81fcc3e28ea3b8e2ca3cdcefad3","name":"Spencer Thomas","registered_at":"2026-06-20T23:20:17Z","symbol":"NIM1745375","token_address":"0x7904ecde0db1506ed14d99c240e57e7bf93b8df6","type":"artist","uuid":"cc118a60-41a3-4869-96b4-a5dc16464c0c"}
album: State & Downing
  type: MusicAlbum
  date published: 2019-05-17
album: Hangin' Tough
  type: MusicAlbum
  date published: 2019-05-31
album: Hangin' Tough
  type: MusicAlbum
  date published: 2019-06-14
album: Hangin' Tough
  type: MusicAlbum
  date published: 2019-06-14
album: Confused
  type: MusicAlbum
  date published: 2021-03-26
album: God Grant Me a Parking Space
  type: MusicAlbum
  date published: 2022-02-11
album: She Doesn't Know She Does It
  type: MusicAlbum
  date published: 2022-10-20
album: Misty Eyes
  type: MusicAlbum
  date published: 2023-06-20
album: Desperate Man
  type: MusicAlbum
  date published: 2023-12-15
album: Desperate Man
  type: MusicAlbum
  date published: 2023-12-15
album: How Come Heartbreak
  type: MusicAlbum
  date published: 2024-03-05
album: Little Gold
  type: MusicAlbum
  date published: 2024-04-11
album: Always Never You
  type: MusicAlbum
  date published: 2024-05-09
album: The Joke of Life
  type: MusicAlbum
  date published: 2024-05-17
  track: Desperate Man
    type: MusicRecording
    duration: PT3M23S
    duration ms: 203500
    explicit: false
    by artist: Spencer Thomas
    in album: The Joke of Life
      type: MusicAlbum
      date published: 2024-05-17
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    additional property: OTSBitcoinBlockVerifyURL
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    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZLPN2303201
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-05T19:27:56Z
    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
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
      encoding format: application/vnd.opentimestamps.ots
      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcaad00462c0f2a16b4e587b8eb723e88bf12ad8789d8a0735577c1c62f7cbaa3. Chain 2 (Bitcoin): anchored in block 956826 (2026-07-05T19:27:56Z), 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/QZLPN2303201.
      date published: 2026-07-05T19:27:56Z
    audio: Desperate Man
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 117.948
      additional property: Musical Key
        type: PropertyValue
        value: 5
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.61
      additional property: Energy
        type: PropertyValue
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      additional property: Speechiness
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        value: 0.031
      additional property: Acousticness
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        value: 0.003
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
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      additional property: Valence (Positivity)
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        value: 0.897
      additional property: Loudness (dB)
        type: PropertyValue
        value: -6.367
      additional property: Key Name
        type: PropertyValue
        value: F
      additional property: Mode Name
        type: PropertyValue
        value: Major
album: The Joke of Life (Deluxe Edition)
  type: MusicAlbum
  date published: 2024-11-22