Hal Singer
type: MusicGroup
genre: free jazz
genre: french jazz
description: Harold Joseph Singer (October 8, 1919 – August 18, 2020), also known as Hal "Cornbread" Singer, was an American R&B and jazz bandleader and saxophonist. Early life Harold Joseph Singer was born in G
popularity: 13
followers: 1134
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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: 2026-06-15T09:50:11Z
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album: Rock Around the Clock (Lead Vocal by Spo-De-Odee)
  type: MusicAlbum
  date published: 1949-02-15
album: Blue Stompin'
  type: MusicAlbum
  date published: 1959
album: Blues and News
  type: MusicAlbum
  date published: 1971-05-08
album: Soweto to Harlem
  type: MusicAlbum
  date published: 1976-06-30
album: Blue Stompin' (Reissue)
  type: MusicAlbum
  date published: 1994
album: Blue Stompin' (Reissue)
  type: MusicAlbum
  date published: 1994-01-01
album: We're Still Buddies
  type: MusicAlbum
  date published: 2002
album: 1948-1951
  type: MusicAlbum
  date published: 2003
  track: Rock Around The Clock (1950)
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    by artist: Hal Singer
    in album: 1948-1951
      type: MusicAlbum
      date published: 2003
    genre: free jazz
    genre: french jazz
    isrc code: FRV050806825
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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: 2026-07-05T12:31:54Z
    audio: Rock Around The Clock (1950)
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album: Soul of Africa
  type: MusicAlbum
  date published: 2008-01-14
album: Rent Party
  type: MusicAlbum
  date published: 2009-01-01
album: Rent Party
  type: MusicAlbum
  date published: 2009-07-01
album: Challenge
  type: MusicAlbum
  date published: 2010-04-10
album: The Very Best of Hal Singer
  type: MusicAlbum
  date published: 2013-08-18
album: Swingville Volume 23: Blue Stompin'
  type: MusicAlbum
  date published: 2014-01-31
album: The Best Of Hal Singer
  type: MusicAlbum
  date published: 2014-12-19
album: Blue Stompin'
  type: MusicAlbum
  date published: 2016-10-14
album: Soul of Africa
  type: MusicAlbum
  date published: 2018-05-04
album: Blue Stompin'
  type: MusicAlbum
  date published: 2019-08-26
album: Senior Blues
  type: MusicAlbum
  date published: 2019-11-21
album: Hal Singer 1948-1951
  type: MusicAlbum
  date published: 2022-01-01
album: I Feel So Good - the Smooth Jazz of Hal Singer
  type: MusicAlbum
  date published: 2023-03-03
album: Corn Bread: The Hal Singer Collection 1948-59
  type: MusicAlbum
  date published: 2023-04-07
track: Cornbread
track: Hula Hoop Rock

Cornbread
type: MusicRecording
duration: PT2M57S
duration ms: 177653
explicit: false
by artist: Hal Singer
in album: Honkin' The Boogie
  type: MusicAlbum
  date published: 2005-06-21
isrc code: USA560562869
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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
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:53:27Z
audio: Cornbread
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  additional property: Danceability
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Hula Hoop Rock
type: MusicRecording
duration: PT1M53S
duration ms: 113968
explicit: false
by artist: Hal Singer
in album: Rock and Roll For Kids
  type: MusicAlbum
  date published: 2014-11-18
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-30T17:23:26Z
audio: Hula Hoop Rock
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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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch