Hubert Sumlin
type: MusicGroup
genre: blues
genre: blues rock
genre: classic blues
genre: modern blues
description: Hubert Charles Sumlin (November 16, 1931 – December 4, 2011) was a Chicago blues guitarist and singer, best known for his "wrenched, shattering bursts of notes, sudden cliff-hanger silences and daring
popularity: 37
followers: 26209
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-12T21:20:00Z
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album: My Guitar and Me (Blues Reference)
  type: MusicAlbum
  date published: 1975
  track: The Last Boogie
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    by artist: Hubert Sumlin
    in album: My Guitar and Me (Blues Reference)
      type: MusicAlbum
      date published: 1975
    genre: blues
    genre: blues rock
    genre: classic blues
    genre: modern blues
    isrc code: FR6V80314636
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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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      date published: 2026-07-17T23:17:53Z
    audio: The Last Boogie
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  track: Boogin' All Alone
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    by artist: Hubert Sumlin
    in album: My Guitar and Me (Blues Reference)
      type: MusicAlbum
      date published: 1975
    genre: blues
    genre: blues rock
    genre: classic blues
    genre: modern blues
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      date published: 2026-07-21T20:51:40Z
    audio: Boogin' All Alone
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  track: I'll Be Home On Tuesday - Take 1
album: Hubert Sumlin
album: Blues Anytime!
album: Gamblin' Woman
album: Hubert Sumlin's Blues Party
album: Heart & Soul
album: Blues Guitar Boss
album: I'm the Back Door Man
album: Made in Argentina 1993 (Live)
album: Legends
album: I Know You
album: Healing Feeling
album: About Them Shoes
album: Wake Up Call
album: Hubert Sumlin, Rod Piazza & The Mighty Flyers (Live)
album: Crawling King Snake b/w Hubert's Boogie
album: New York 95
track: Back Door Man
track: Evil (Is Going On)
track: Sometimes I'm Right
track: Sitting On Top Of The World
track: Howlin' For My Darling
track: Howlin' Wolf Boogie

Back Door Man
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duration: PT2M51S
duration ms: 171940
explicit: false
by artist: Howlin' Wolf
by artist: Otis Spann
by artist: Hubert Sumlin
by artist: Willie Dixon
by artist: Fred Below
in album: The Devil's Jukebox Vol. 1 (36 Black and Evil Blues Songs)
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  date published: 2023-09-15
isrc code: DEXN92346618
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additional property: OTSVerifyInstructions
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  date published: 2026-07-02T05:09:12Z
audio: Back Door Man
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  additional property: Key Name
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Evil (Is Going On)
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duration: PT2M56S
duration ms: 176000
explicit: false
by artist: Howlin' Wolf
by artist: Otis Spann
by artist: Hubert Sumlin
by artist: Jody Williams
by artist: Willie Dixon
by artist: Earl Phillips
in album: The Devil's Jukebox Vol. 1 (36 Black and Evil Blues Songs)
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  date published: 2023-09-15
isrc code: DEXN92346631
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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additional property: ProofProfileEvidenceStatus
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:55:08Z
audio: Evil (Is Going On)
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Sometimes I'm Right
type: MusicRecording
duration: PT7M0S
duration ms: 420257
explicit: false
by artist: Hubert Sumlin
in album: Chicago Blues 2
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  date published: 1998
isrc code: USA370571713
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additional property: OTSVerificationAPI
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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
additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
audio: Sometimes I'm Right
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Sitting On Top Of The World
type: MusicRecording
duration: PT4M17S
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by artist: Hubert Sumlin
by artist: James Cotton
in album: Blind Pig Records: 40th Anniversary Collection
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  date published: 2017-10-27
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe135fe180cd5cc182c4356bd97dc0bedfccee81993d5a460216f2c23464a195d. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/USBP10373303.
  date published: 2026-07-08T03:53:27Z
audio: Sitting On Top Of The World
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 176.023
  additional property: Musical Key
    type: PropertyValue
    value: 0
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.482
  additional property: Energy
    type: PropertyValue
    value: 0.463
  additional property: Speechiness
    type: PropertyValue
    value: 0.044
  additional property: Acousticness
    type: PropertyValue
    value: 0.28
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.001
  additional property: Liveness
    type: PropertyValue
    value: 0.131
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.469
  additional property: Loudness (dB)
    type: PropertyValue
    value: -12.261
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major

Howlin' For My Darling
type: MusicRecording
duration: PT3M1S
duration ms: 181266
explicit: false
by artist: Henry Gray
by artist: Calvin Jones
by artist: Eddie Shaw
by artist: Hubert Sumlin
by artist: Christine Ohlman
in album: A Salute To The Chicago Blues Masters
  type: MusicAlbum
  date published: 2000-11-28
isrc code: USTE10442702
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T09:28:56+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x32a115dc225d8fe30274e7dac1fdadf41e9db6c4bb87a3c289327cc552a1faa6
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957118
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957118
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USTE10442702
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19Z
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
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 957118
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-08T03:20:19+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x32a115dc225d8fe30274e7dac1fdadf41e9db6c4bb87a3c289327cc552a1faa6. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/USTE10442702.
  date published: 2026-07-08T03:20:19Z
audio: Howlin' For My Darling
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 173.369
  additional property: Musical Key
    type: PropertyValue
    value: 0
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.409
  additional property: Energy
    type: PropertyValue
    value: 0.597
  additional property: Speechiness
    type: PropertyValue
    value: 0.059
  additional property: Acousticness
    type: PropertyValue
    value: 0.273
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.004
  additional property: Liveness
    type: PropertyValue
    value: 0.066
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.794
  additional property: Loudness (dB)
    type: PropertyValue
    value: -15.294
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major

Back Door Man
type: MusicRecording
duration: PT4M20S
duration ms: 260398
explicit: false
by artist: Calvin Jones
by artist: Sam Lay
by artist: Colin Linden
by artist: Hubert Sumlin
by artist: Ronnie Hawkins
by artist: Cub Koda
in album: A Salute To The Chicago Blues Masters
  type: MusicAlbum
  date published: 2000-11-28
isrc code: USTE10442708
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T06:21:16+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x1e0dd359bc761e68e0b5053eac051aebfbb537eb3fabbe2252f73d256d0830df
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957118
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957118
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USTE10442708
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19Z
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
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 957118
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-08T03:20:19+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1e0dd359bc761e68e0b5053eac051aebfbb537eb3fabbe2252f73d256d0830df. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/USTE10442708.
  date published: 2026-07-08T03:20:19Z
audio: Back Door Man
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 96.748
  additional property: Musical Key
    type: PropertyValue
    value: 9
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.687
  additional property: Energy
    type: PropertyValue
    value: 0.316
  additional property: Speechiness
    type: PropertyValue
    value: 0.039
  additional property: Acousticness
    type: PropertyValue
    value: 0.475
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.003
  additional property: Liveness
    type: PropertyValue
    value: 0.289
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.579
  additional property: Loudness (dB)
    type: PropertyValue
    value: -19.112
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Major

Howlin' Wolf Boogie
type: MusicRecording
duration: PT3M42S
duration ms: 222826
explicit: false
by artist: Henry Gray
by artist: Calvin Jones
by artist: Sam Lay
by artist: Hubert Sumlin
by artist: Colin James
by artist: Cub Koda
in album: A Salute To The Chicago Blues Masters
  type: MusicAlbum
  date published: 2000-11-28
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf2606a468636f36ed800dc8f5958da68c7a40ecae98d3fb8f959cb626d25597a. Chain 2 (Bitcoin): anchored in block 960138 (2026-07-29T19:35:34Z), 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/USTE10442711.
  date published: 2026-07-29T19:35:34Z
audio: Howlin' Wolf Boogie
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 170.148
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.384
  additional property: Energy
    type: PropertyValue
    value: 0.677
  additional property: Speechiness
    type: PropertyValue
    value: 0.048
  additional property: Acousticness
    type: PropertyValue
    value: 0.349
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.022
  additional property: Liveness
    type: PropertyValue
    value: 0.238
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.936
  additional property: Loudness (dB)
    type: PropertyValue
    value: -17.876
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major
isrc code: USTE10442711
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 960138
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-29T19:35:34+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USTE10442711
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960138
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960138
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-29T19:35:34+00:00
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

Acousticness
type: PropertyValue
value: 0.952

Instrumentalness
type: PropertyValue
value: 0.883

Liveness
type: PropertyValue
value: 0.111

Valence (Positivity)
type: PropertyValue
value: 0.613

Loudness (dB)
type: PropertyValue
value: -25.479

Key Name
type: PropertyValue
value: B

Mode Name
type: PropertyValue
value: Minor

I'll Be Home On Tuesday - Take 1
type: MusicRecording
duration: PT4M3S
duration ms: 243666
explicit: false
by artist: Hubert Sumlin
in album: My Guitar and Me (Blues Reference)
  type: MusicAlbum
  date published: 1975
genre: blues
genre: blues rock
genre: classic blues
genre: modern blues
isrc code: FR6V80314640
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-18T04:28:09+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xa346671ba40e1e8e1f1837145cc955662a5683f5e0089a9be6515f591edaf006
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958544
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958544
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR6V80314640
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-18T12:14:37Z
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 0xa346671ba40e1e8e1f1837145cc955662a5683f5e0089a9be6515f591edaf006. Chain 2 (Bitcoin): anchored in block 958544 (2026-07-18T12:14:37Z), 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/FR6V80314640.
  date published: 2026-07-18T12:14:37Z
audio: I'll Be Home On Tuesday - Take 1
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 134.388
  additional property: Musical Key
    type: PropertyValue
    value: 0
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.59
  additional property: Energy
    type: PropertyValue
    value: 0.579
  additional property: Speechiness
    type: PropertyValue
    value: 0.027
  additional property: Acousticness
    type: PropertyValue
    value: 0.008
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.841
  additional property: Liveness
    type: PropertyValue
    value: 0.056
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.827
  additional property: Loudness (dB)
    type: PropertyValue
    value: -9.112
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major

Hubert Sumlin
type: MusicAlbum
date published: 1979

Blues Anytime!
type: MusicAlbum
date published: 1979

Hubert Sumlin
type: MusicAlbum
date published: 1979

Gamblin' Woman
type: MusicAlbum
date published: 1980

Hubert Sumlin's Blues Party
type: MusicAlbum
date published: 1987
track: A Soul That's Been Abused
  type: MusicRecording
  duration: PT7M19S
  duration ms: 439760
  explicit: false
  by artist: Hubert Sumlin
  in album: Hubert Sumlin's Blues Party
    type: MusicAlbum
    date published: 1987
  genre: blues
  genre: blues rock
  genre: classic blues
  genre: modern blues
  isrc code: USSE90321484
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-29T06:17:54+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x51aa1bcea8699c0306b7b2663ced656fb54bf4965769995c5b67ab6affc783fc
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956375
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956375
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSE90321484
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T16:51:38Z
  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 0x51aa1bcea8699c0306b7b2663ced656fb54bf4965769995c5b67ab6affc783fc. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), 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/USSE90321484.
    date published: 2026-07-02T16:51:38Z
  audio: A Soul That's Been Abused
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 153.981
    additional property: Musical Key
      type: PropertyValue
      value: 2
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 3
    additional property: Danceability
      type: PropertyValue
      value: 0.4
    additional property: Energy
      type: PropertyValue
      value: 0.236
    additional property: Speechiness
      type: PropertyValue
      value: 0.041
    additional property: Acousticness
      type: PropertyValue
      value: 0.049
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.018
    additional property: Liveness
      type: PropertyValue
      value: 0.082
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.197
    additional property: Loudness (dB)
      type: PropertyValue
      value: -15.854
    additional property: Key Name
      type: PropertyValue
      value: D
    additional property: Mode Name
      type: PropertyValue
      value: Minor

Hubert Sumlin's Blues Party
type: MusicAlbum
date published: 1987

Hubert Sumlin's Blues Party
type: MusicAlbum
date published: 1987

Hubert Sumlin's Blues Party
type: MusicAlbum
date published: 1987

Heart & Soul
type: MusicAlbum
date published: 1989-07-07

Blues Guitar Boss
type: MusicAlbum
date published: 1990
track: All I Can Do
  type: MusicRecording
  duration: PT5M15S
  duration ms: 315791
  explicit: false
  by artist: Hubert Sumlin
  in album: Blues Guitar Boss
    type: MusicAlbum
    date published: 1990
  genre: blues
  genre: blues rock
  genre: classic blues
  genre: modern blues
  isrc code: USA370571686
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-05T14:21:07+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xe28b6a60368fc3c53568419dd8b0e625ca0cd09593c3c448a4b33b84f7152513
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956822
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956822
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USA370571686
  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 0xe28b6a60368fc3c53568419dd8b0e625ca0cd09593c3c448a4b33b84f7152513. 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/USA370571686.
    date published: 2026-07-05T18:48:28Z
  audio: All I Can Do
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 103.745
    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: 0.662
    additional property: Energy
      type: PropertyValue
      value: 0.947
    additional property: Speechiness
      type: PropertyValue
      value: 0.051
    additional property: Acousticness
      type: PropertyValue
      value: 0.072
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.011
    additional property: Liveness
      type: PropertyValue
      value: 0.292
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.851
    additional property: Loudness (dB)
      type: PropertyValue
      value: -6.312
    additional property: Key Name
      type: PropertyValue
      value: A
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: You Got to Help Me
  type: MusicRecording
  duration: PT5M32S
  duration ms: 332579
  explicit: false
  by artist: Hubert Sumlin
  in album: Blues Guitar Boss
    type: MusicAlbum
    date published: 1990
  genre: blues
  genre: blues rock
  genre: classic blues
  genre: modern blues
  isrc code: USA370571687
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-19T21:16:19+00:00
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track: Pickin'

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OpenTimestamps Proof of Existence
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date published: 2026-07-17T03:00:59Z

Spanish Greens
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subject of: OpenTimestamps Proof of Existence
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Blues Guitar Boss
type: MusicAlbum
date published: 1990

I'm the Back Door Man
type: MusicAlbum
date published: 1993-01-17

Made in Argentina 1993 (Live)
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date published: 1993-01-29

Legends
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I Know You
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date published: 1998-05-14

Healing Feeling
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date published: 2005

Healing Feeling
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Healing Feeling
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date published: 2005

Healing Feeling
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date published: 2005

Hubert Sumlin's Blues Party
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date published: 2005

Healing Feeling
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date published: 2005-01-01

About Them Shoes
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date published: 2005-01-25

About Them Shoes
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About Them Shoes
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Wake Up Call
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Blues Guitar Boss
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Hubert Sumlin, Rod Piazza & The Mighty Flyers (Live)
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Crawling King Snake b/w Hubert's Boogie
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New York 95
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