Cumberland River
type: MusicGroup
genre: bluegrass
genre: newgrass
description: The Cumberland River is a major waterway of the Southern United States. The U.S. Geological Survey. National Hydrography Dataset high-resolution flowline data. The National Map , accessed June 8, 2011
popularity: 4
followers: 401
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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 0x151d715a58f365020de2fbf49b9b7286e2253915ec8bb0584b5798f0c20ff2a1. Chain 2 (Bitcoin): anchored in block 954693 (2026-06-21T11:50:32Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/e9937599-9abe-4779-8c87-d59c0970d7a0.json and https://artists.proofprofile.net/proofs/artist/e9937599-9abe-4779-8c87-d59c0970d7a0.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-21T11:50:32Z
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album: The Life We Live
  type: MusicAlbum
  date published: 2011-07-26
album: The Life We Live
  type: MusicAlbum
  date published: 2011-07-26
album: The Life We Live
  type: MusicAlbum
  date published: 2011-07-26
album: The Life We Live
  type: MusicAlbum
  date published: 2011-07-26
  track: Justified
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    explicit: false
    by artist: Cumberland River
    in album: The Life We Live
      type: MusicAlbum
      date published: 2011-07-26
    genre: bluegrass
    genre: newgrass
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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 0x33579244183d289c6ef2ebf92033c24b53fa1b18445e5f3b4690a2af852610bd. Chain 2 (Bitcoin): anchored in block 958783 (2026-07-20T00:05:52Z), 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/USFWP1101300.
      date published: 2026-07-20T00:05:52Z
    audio: Justified
      type: AudioObject
      additional property: Tempo (BPM)
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      additional property: Musical Key
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      additional property: Instrumentalness
        type: PropertyValue
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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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      additional property: Mode Name
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