Stefan Grossman
type: MusicGroup
genre: acoustic folk
genre: blues
genre: country blues
genre: indorock
genre: ragtime
description: Stefan Grossman (born April 16, 1945) is an American acoustic fingerstyle guitarist and singer, music producer and educator, and co-founder of Kicking Mule records. He is known for his instructional v
popularity: 25
followers: 7179
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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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  date published: 2026-06-12T19:24:56Z
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album: How To Play Blues Guitar
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  date published: 1966-01-01
album: Yazoo Basin Boogie
  type: MusicAlbum
  date published: 1970-01-01
album: Bottleneck Serenade
  type: MusicAlbum
  date published: 1975-01-01
album: Black Melodies On A Clear Afternoon
  type: MusicAlbum
  date published: 1975-01-01
  track: Struttin' Rag
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    by artist: Stefan Grossman
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      type: MusicAlbum
      date published: 1975-01-01
    genre: acoustic folk
    genre: blues
    genre: country blues
    genre: indorock
    genre: ragtime
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    subject of: OpenTimestamps Proof of Existence
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      date published: 2026-07-15T19:08:25Z
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  track: Blake's Breakdown
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    by artist: Stefan Grossman
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      type: MusicAlbum
      date published: 1975-01-01
    genre: acoustic folk
    genre: blues
    genre: country blues
    genre: indorock
    genre: ragtime
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    subject of: OpenTimestamps Proof of Existence
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      date published: 2026-07-05T01:43:49Z
    audio: Blake's Breakdown
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  track: Harlem Rag
  track: A Salty Dog Rag
album: Under the Volcano
album: Kpm 1000 Series: Blues and Ragtime Guitar
album: Kpm 1000 Series: The Blues Collection
album: Kpm 1000 Series: Struttin' Out
album: Guitar Sketches
album: Love, Devils And The Blues
album: Shining Shadows
album: Guitar Landscapes
album: The Best Of The Transatlantic Years
album: Northern Skies, Southern Blues
album: Shake That Thing
album: Those Pleasant Days: Anthology
album: Bermuda Triangle Exit
album: Played a Little Fiddle
album: Stefan Grossman & John Renbourn
album: Friends Forever
album: Thunder on the Run
album: Aunt Molly's Murray Farm / The Gramercy Park Sheik
album: Shining Shadow
album: How to Play Ragtime Guitar
album: Country Blues Guitar Festival
album: My Creole Belle
album: The English Years - In Concert
album: Blues for the Mann
album: Guitar Landscape
album: Love, Devils and the Blues
album: Live At The BBC
track: Tell Me Baby
track: Candyman

Tell Me Baby
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duration: PT1M29S
duration ms: 89053
explicit: false
by artist: Stefan Grossman
in album: Some People Play Guitar... Like A Lotta People Don't
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  date published: 2009-12-07
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
audio: Tell Me Baby
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Candyman
type: MusicRecording
duration: PT4M21S
duration ms: 261333
explicit: false
by artist: Stefan Grossman
in album: The Ultimate Folk Collection
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  date published: 1999-10-01
popularity: 0
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T08:26:41Z
audio: Candyman
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additional property: OTSVerifyInstructions
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Time Signature
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Danceability
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Energy
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Speechiness
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Acousticness
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Instrumentalness
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Liveness
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Valence (Positivity)
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Loudness (dB)
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Key Name
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Mode Name
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Harlem Rag
type: MusicRecording
duration: PT1M29S
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explicit: false
by artist: Stefan Grossman
in album: Black Melodies On A Clear Afternoon
  type: MusicAlbum
  date published: 1975-01-01
genre: acoustic folk
genre: blues
genre: country blues
genre: indorock
genre: ragtime
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  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
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  date published: 2026-07-18T04:43:53Z
audio: Harlem Rag
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A Salty Dog Rag
type: MusicRecording
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  date published: 1975-01-01
genre: acoustic folk
genre: blues
genre: country blues
genre: indorock
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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Love, Devils And The Blues
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My Creole Belle
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Live At The BBC
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