Matt Barr
type: MusicGroup
description: Matthew Jerome Barr (born February 14, 1984) is an American actor, best-known as Johnson "Johnse" Hatfield in Hatfields & McCoys (2012), Danny McNamara in the CBS/Paramount+ action–adventure televisio
popularity: 10
followers: 189
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
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additional property: OTSBitcoinBlock
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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  value: 2026-06-17T08:11:48Z
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additional property: OTSVerifyInstructions
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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
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa25ebd1bb9e93eeb213a1649b8afb5fb726be5a3cbbd8e11a59d5ab4ab114945. Chain 2 (Bitcoin): anchored in block 954066 (2026-06-17T08:11:48Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/57c2cfe9-be2b-4867-9a5d-5bc165ca6c0e.json and https://artists.proofprofile.net/proofs/artist/57c2cfe9-be2b-4867-9a5d-5bc165ca6c0e.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-17T08:11:48Z
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album: If I Could Only
  type: MusicAlbum
  date published: 2024-01-26
album: Unsolved Miseries
  type: MusicAlbum
  date published: 2024-02-23
album: Summer Needs The Rain
  type: MusicAlbum
  date published: 2024-06-21
album: Hell No
  type: MusicAlbum
  date published: 2024-07-26
album: Come Shut Me Up
  type: MusicAlbum
  date published: 2024-08-23
  track: Summer Needs The Rain (Album Mix)
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    by artist: Matt Barr
    in album: Come Shut Me Up
      type: MusicAlbum
      date published: 2024-08-23
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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
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
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      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5894fda3eee7a218b849bcfb88d12b1a8e8d14bdf56a8c012e1310a51d4f6690. Chain 2 (Bitcoin): anchored in block 956656 (2026-07-04T14:03:39Z), 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/USA2P2438155.
      date published: 2026-07-04T14:03:39Z
    audio: Summer Needs The Rain (Album Mix)
      type: AudioObject
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      additional property: Mode (Major/Minor)
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      additional property: Time Signature
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      additional property: Danceability
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      additional property: Energy
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      additional property: Speechiness
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      additional property: Acousticness
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      additional property: Instrumentalness
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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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        value: -5.071
      additional property: Key Name
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        value: C#
      additional property: Mode Name
        type: PropertyValue
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  track: If I Could Only
    type: MusicRecording
    duration: PT3M9S
    duration ms: 189365
    explicit: false
    by artist: Matt Barr
    in album: Come Shut Me Up
      type: MusicAlbum
      date published: 2024-08-23
    isrc code: USA2P2403623
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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
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
      encoding format: application/vnd.opentimestamps.ots
      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9b0c2b2980e14523d67eb551619c40070747a2a91289ded1fcacabd94c729e9b. Chain 2 (Bitcoin): anchored in block 958384 (2026-07-17T08:27:02Z), 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/USA2P2403623.
      date published: 2026-07-17T08:27:02Z
    audio: If I Could Only
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 84.417
      additional property: Musical Key
        type: PropertyValue
        value: 9
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 0
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
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      additional property: Energy
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      additional property: Speechiness
        type: PropertyValue
        value: 0.049
      additional property: Acousticness
      additional property: Instrumentalness
      additional property: Liveness
      additional property: Valence (Positivity)
      additional property: Loudness (dB)
      additional property: Key Name
      additional property: Mode Name

Acousticness
type: PropertyValue
value: 0.022

Instrumentalness
type: PropertyValue
value: 0

Liveness
type: PropertyValue
value: 0.27

Valence (Positivity)
type: PropertyValue
value: 0.613

Loudness (dB)
type: PropertyValue
value: -5.341

Key Name
type: PropertyValue
value: A

Mode Name
type: PropertyValue
value: Minor