Sam Chatmon
type: MusicGroup
genre: blues
genre: classic blues
genre: country blues
description: Vivian "Sam" Chatmon (January 10, 1897 – February 2, 1983) was an American Delta blues guitarist and singer who was a member of the Mississippi Sheiks. Life and career Chatmon was born in Bolton, Mis
popularity: 10
followers: 3310
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additional property: CopyrightChainExplorerURL
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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
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9902b33642352bbe5509f512d2a74f56c7e523304b3d1d48635464501a2b6493. Chain 2 (Bitcoin): anchored in block 953947 (2026-06-16T13:14:26Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/21c30978-a4d6-442b-9878-c780bba07d1f.json and https://artists.proofprofile.net/proofs/artist/21c30978-a4d6-442b-9878-c780bba07d1f.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-16T13:14:26Z
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album: Hollandale Blues
  type: MusicAlbum
  date published: 1977-12-14
  track: Let's Get Drunk Again
    type: MusicRecording
    duration: PT2M18S
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    explicit: false
    by artist: Sam Chatmon
    in album: Hollandale Blues
      type: MusicAlbum
      date published: 1977-12-14
    genre: blues
    genre: classic blues
    genre: country blues
    isrc code: ITC471320224
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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 0xb00164a4af109fffded00e0c5390380764272acac4404416a1a9c2ce74196937. Chain 2 (Bitcoin): anchored in block 958212 (2026-07-16T01:43:28Z), 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/ITC471320224.
      date published: 2026-07-16T01:43:28Z
    audio: Let's Get Drunk Again
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 104.89
      additional property: Musical Key
        type: PropertyValue
        value: 9
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.789
      additional property: Energy
        type: PropertyValue
        value: 0.088
      additional property: Speechiness
        type: PropertyValue
        value: 0.071
      additional property: Acousticness
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      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.106
      additional property: Valence (Positivity)
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        value: 0.57
      additional property: Loudness (dB)
        type: PropertyValue
        value: -17.191
      additional property: Key Name
        type: PropertyValue
        value: A
      additional property: Mode Name
        type: PropertyValue
        value: Major
album: Hollandale Blues
  type: MusicAlbum
  date published: 1977-12-14
album: Blues At Home 2
  type: MusicAlbum
  date published: 2013-10-15