Cumberland Quartet
type: MusicGroup
genre: christian country
genre: gospel
genre: southern gospel
popularity: 6
followers: 1873
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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 0xd2dd612b40b78c7f0fa37288637492b81ad68e638a78dacb2044fcf8df8528cd. 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/3b91d7d8-f7da-45a7-9f4c-dde834cec1e2.json and https://artists.proofprofile.net/proofs/artist/3b91d7d8-f7da-45a7-9f4c-dde834cec1e2.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-17T08:11:48Z
  text: {"copyright_id":"0xd2dd612b40b78c7f0fa37288637492b81ad68e638a78dacb2044fcf8df8528cd","name":"Cumberland Quartet","registered_at":"2026-06-16T10:20:51Z","symbol":"NIM1021634","token_address":"0x138470812cda602b72a7b0c0d0be060e3d5e685e","type":"artist","uuid":"3b91d7d8-f7da-45a7-9f4c-dde834cec1e2"}
album: Renewal
  type: MusicAlbum
  date published: 2000-01-03
album: New Ship Sailing
  type: MusicAlbum
  date published: 2000-01-08
  track: The Gospel
    type: MusicRecording
    duration: PT3M35S
    duration ms: 215693
    explicit: false
    by artist: Cumberland Quartet
    in album: New Ship Sailing
      type: MusicAlbum
      date published: 2000-01-08
    genre: christian country
    genre: gospel
    genre: southern gospel
    isrc code: US3U80502976
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
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    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-05T18:48:28Z
    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 0x4d8024d1448a1a2f7ea284b51e67148951c4efe7d778f2fc4af86edcee9a8f9b. Chain 2 (Bitcoin): anchored in block 956822 (2026-07-05T18:48:28Z), 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/US3U80502976.
      date published: 2026-07-05T18:48:28Z
    audio: The Gospel
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 129.928
      additional property: Musical Key
        type: PropertyValue
        value: 8
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.399
      additional property: Energy
        type: PropertyValue
        value: 0.492
      additional property: Speechiness
        type: PropertyValue
        value: 0.031
      additional property: Acousticness
        type: PropertyValue
        value: 0.21
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.078
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.155
      additional property: Loudness (dB)
        type: PropertyValue
        value: -6.018
      additional property: Key Name
        type: PropertyValue
        value: Ab
      additional property: Mode Name
        type: PropertyValue
        value: Major
album: Renewal
  type: MusicAlbum
  date published: 2000-03-01
album: New Ship Sailing
  type: MusicAlbum
  date published: 2000-08-01
album: Golden Gospel Favorites
  type: MusicAlbum
  date published: 2002-03-01
album: Golden Gospel Favorites
  type: MusicAlbum
  date published: 2002-03-01
album: Golden Gospel Favorites
  type: MusicAlbum
  date published: 2002-03-01
album: Worth Every Mile
  type: MusicAlbum
  date published: 2002-05-21
album: Worth Every Mile
  type: MusicAlbum
  date published: 2002-05-21
  track: It'll Be Worth Every Mile Of The Trip
    type: MusicRecording
    duration: PT2M23S
    duration ms: 143226
    explicit: false
    by artist: Cumberland Quartet
    in album: Worth Every Mile
      type: MusicAlbum
      date published: 2002-05-21
    genre: christian country
    genre: gospel
    genre: southern gospel
    isrc code: US3U80500898
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    additional property: CopyrightStatus
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      value: registered
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    additional property: OTSTimestamp
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      value: 2026-07-18T19:27:02Z
    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 0x242684c12f6c9c8f47a18dd5e9e74f684025930d761b8a205783e2093f98f1af. Chain 2 (Bitcoin): anchored in block 958601 (2026-07-18T19:27:02Z), 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/US3U80500898.
      date published: 2026-07-18T19:27:02Z
    audio: It'll Be Worth Every Mile Of The Trip
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 140.098
      additional property: Musical Key
      additional property: Mode (Major/Minor)
      additional property: Time Signature
      additional property: Danceability
      additional property: Energy
      additional property: Speechiness
      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
album: Acoustic Hymns Vol. 1

Musical Key
type: PropertyValue
value: 10

Mode (Major/Minor)
type: PropertyValue
value: 1

Time Signature
type: PropertyValue
value: 3

Danceability
type: PropertyValue
value: 0.545

Energy
type: PropertyValue
value: 0.588

Speechiness
type: PropertyValue
value: 0.03

Acousticness
type: PropertyValue
value: 0.387

Instrumentalness
type: PropertyValue
value: 0

Liveness
type: PropertyValue
value: 0.184

Valence (Positivity)
type: PropertyValue
value: 0.556

Loudness (dB)
type: PropertyValue
value: -6.121

Key Name
type: PropertyValue
value: Bb

Mode Name
type: PropertyValue
value: Major

Acoustic Hymns Vol. 1
type: MusicAlbum
date published: 2006-09-18