Mark David Manders
type: MusicGroup
genre: red dirt
genre: texas country
popularity: 12
followers: 3414
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additional property: CopyrightChainExplorerURL
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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
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7539dca48052804fac0287608c2a79028c170b4db43d76dcf1fdcb9529cfa479. Chain 2 (Bitcoin): anchored in block 953727 (2026-06-15T02:33:01Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/9304577e-8fce-4e7b-b8bb-72229588c235.json and https://artists.proofprofile.net/proofs/artist/9304577e-8fce-4e7b-b8bb-72229588c235.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-15T02:33:01Z
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album: Tales from the Couch Circuit
  type: MusicAlbum
  date published: 1997-06-01
  track: Three Sheets to the Wind
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    duration: PT4M52S
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    by artist: Mark David Manders
    in album: Tales from the Couch Circuit
      type: MusicAlbum
      date published: 1997-06-01
    genre: red dirt
    genre: texas country
    isrc code: USHM21093872
    additional property: CopyrightID
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    additional property: OTSVerificationAPI
      type: PropertyValue
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    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-05T01:43:49Z
    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
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      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x34ea1d1daee4e081f8b33c3a4d97129743e5b238457929e72b844ad4a63af477. Chain 2 (Bitcoin): anchored in block 956728 (2026-07-05T01:43:49Z), 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/USHM21093872.
      date published: 2026-07-05T01:43:49Z
    audio: Three Sheets to the Wind
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        value: 4
      additional property: Danceability
        type: PropertyValue
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      additional property: Speechiness
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      additional property: Liveness
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      additional property: Valence (Positivity)
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      additional property: Loudness (dB)
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        type: PropertyValue
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album: Chili Pepper Sunset
  type: MusicAlbum
  date published: 2000-08-01
  track: Telephone Song
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    duration: PT3M15S
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    by artist: Mark David Manders
    in album: Chili Pepper Sunset
      type: MusicAlbum
      date published: 2000-08-01
    genre: red dirt
    genre: texas country
    isrc code: USHM21093884
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    additional property: CopyrightStatus
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    additional property: OTSTimestamp
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      value: 2026-07-19T10:15:55Z
    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 0xa045bf10c3c6e244d21ad7838403c29b1ab5e7187b8fe750b1f3ce82674b2604. Chain 2 (Bitcoin): anchored in block 958716 (2026-07-19T10:15:55Z), 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/USHM21093884.
      date published: 2026-07-19T10:15:55Z
    audio: Telephone Song
      type: AudioObject
      additional property: Tempo (BPM)
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        type: PropertyValue
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        type: PropertyValue
        value: 4
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      additional property: Acousticness
        type: PropertyValue
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      additional property: Liveness
      additional property: Valence (Positivity)
      additional property: Loudness (dB)
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album: Highs and Lows
album: Cannonball
album: Hold My Beer and Watch This (Live)
album: The Greenhouse Sessions
album: Por Que? Por Que?

Liveness
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value: 0.104

Valence (Positivity)
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Loudness (dB)
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Key Name
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value: G

Mode Name
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value: Major

Highs and Lows
type: MusicAlbum
date published: 2002-10-01

Cannonball
type: MusicAlbum
date published: 2005-01-01

Cannonball
type: MusicAlbum
date published: 2005-08-01
track: Three Fingers Tequila
  type: MusicRecording
  duration: PT3M33S
  duration ms: 213640
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  by artist: Mark David Manders
  in album: Cannonball
    type: MusicAlbum
    date published: 2005-08-01
  genre: red dirt
  genre: texas country
  isrc code: USHM21093911
  additional property: CopyrightID
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  additional property: OTSVerificationAPI
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    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USHM21093911
  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
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x87890e62684e9929e95f70ff979c98b04b1d9dde339a6a6152fc2758531b53a6. Chain 2 (Bitcoin): anchored in block 958319 (2026-07-16T20:12:32Z), 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/USHM21093911.
    date published: 2026-07-16T20:12:32Z
  audio: Three Fingers Tequila
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    additional property: Tempo (BPM)
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    additional property: Mode (Major/Minor)
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    additional property: Time Signature
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    additional property: Danceability
      type: PropertyValue
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      type: PropertyValue
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    additional property: Acousticness
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    additional property: Instrumentalness
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    additional property: Liveness
      type: PropertyValue
      value: 0.298
    additional property: Valence (Positivity)
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    additional property: Key Name
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Hold My Beer and Watch This (Live)
type: MusicAlbum
date published: 2011-08-02

The Greenhouse Sessions
type: MusicAlbum
date published: 2012-08-27

Por Que? Por Que?
type: MusicAlbum
date published: 2024-08-20