Jeff Hamilton Trio
type: MusicGroup
genre: hard bop
genre: jazz
popularity: 17
followers: 3379
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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 0xa338e8c23792160b926e66ad0eed108d00ff41ce810ee99f7cc3696c2678284c. Chain 2 (Bitcoin): anchored in block 953617 (2026-06-14T09:00:45Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/1bceec20-0a4f-4556-ba25-a5853b50cf4c.json and https://artists.proofprofile.net/proofs/artist/1bceec20-0a4f-4556-ba25-a5853b50cf4c.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-14T09:00:45Z
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album: Jeff Hamilton Trio: Best Things Happen (The)
  type: MusicAlbum
  date published: 2004-01-01
album: Jeff Hamilton Trio: Best Things Happen (The)
  type: MusicAlbum
  date published: 2004-01-01
album: Jeff Hamilton Trio: From Studio 4, Cologne, Germany
  type: MusicAlbum
  date published: 2006-01-01
album: Jeff Hamilton Trio: From Studio 4, Cologne, Germany
  type: MusicAlbum
  date published: 2006-01-01
album: Hands On
  type: MusicAlbum
  date published: 2007-07-20
  track: Daahoud
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    by artist: Jeff Hamilton Trio
    in album: Hands On
      type: MusicAlbum
      date published: 2007-07-20
    genre: hard bop
    genre: jazz
    isrc code: DEE289881206
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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
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      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa9861f4c86dae5dd733738a94c6173a322bd22ecd52bd472c0a650f446514e21. Chain 2 (Bitcoin): anchored in block 958211 (2026-07-16T00:02:54Z), 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/DEE289881206.
      date published: 2026-07-16T00:02:54Z
    audio: Daahoud
      type: AudioObject
      additional property: Tempo (BPM)
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        value: 3
      additional property: Danceability
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      additional property: Speechiness
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      additional property: Key Name
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        value: Ab
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album: Hands On
  type: MusicAlbum
  date published: 2007-07-20
album: Live!
  type: MusicAlbum
  date published: 2007-07-27
album: Dynavibes
  type: MusicAlbum
  date published: 2007-07-27
  track: Killer Joe
    type: MusicRecording
    duration: PT5M30S
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    by artist: Jeff Hamilton Trio
    in album: Dynavibes
      type: MusicAlbum
      date published: 2007-07-27
    genre: hard bop
    genre: jazz
    isrc code: DEE289779401
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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 0x58b99dc3ad53448a1bb13a80c79fd9ec942fe37677751775fd7208f97922ac2a. Chain 2 (Bitcoin): anchored in block 958761 (2026-07-19T20:12:19Z), 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/DEE289779401.
      date published: 2026-07-19T20:12:19Z
    audio: Killer Joe
      type: AudioObject
      additional property: Tempo (BPM)
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        value: 127.608
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        type: PropertyValue
        value: 10
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        value: 0
      additional property: Time Signature
      additional property: Danceability
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      additional property: Valence (Positivity)
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      additional property: Key Name
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album: Hamilton House / Live at Steamers
album: Hamilton House (Live at Steamers)
album: Red Sparkle
album: Live from San Pedro
album: Merry & Bright

Time Signature
type: PropertyValue
value: 4

Danceability
type: PropertyValue
value: 0.608

Energy
type: PropertyValue
value: 0.348

Speechiness
type: PropertyValue
value: 0.033

Acousticness
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value: 0.753

Instrumentalness
type: PropertyValue
value: 0.087

Liveness
type: PropertyValue
value: 0.106

Valence (Positivity)
type: PropertyValue
value: 0.492

Loudness (dB)
type: PropertyValue
value: -12.138

Key Name
type: PropertyValue
value: Bb

Mode Name
type: PropertyValue
value: Minor

Dynavibes
type: MusicAlbum
date published: 2007-07-27

Live!
type: MusicAlbum
date published: 2007-07-27

Hamilton House / Live at Steamers
type: MusicAlbum
date published: 2007-09-28

Hamilton House (Live at Steamers)
type: MusicAlbum
date published: 2007-09-28

Red Sparkle
type: MusicAlbum
date published: 2012-01-26
track: Hat's Dance
  type: MusicRecording
  duration: PT4M27S
  duration ms: 267746
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  by artist: Jeff Hamilton Trio
  in album: Red Sparkle
    type: MusicAlbum
    date published: 2012-01-26
  genre: hard bop
  genre: jazz
  isrc code: USFBR1200004
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    value: 2026-07-04T11:19:20Z
  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 0x46d0b1a969cf5ee2c47935eb30e26dfe2bcc86bfb0d5b13649d64b32b01ebe94. Chain 2 (Bitcoin): anchored in block 956639 (2026-07-04T11:19:20Z), 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/USFBR1200004.
    date published: 2026-07-04T11:19:20Z
  audio: Hat's Dance
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
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    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: 0.731
    additional property: Energy
      type: PropertyValue
      value: 0.364
    additional property: Speechiness
      type: PropertyValue
      value: 0.043
    additional property: Acousticness
      type: PropertyValue
      value: 0.819
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.903
    additional property: Liveness
      type: PropertyValue
      value: 0.079
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.603
    additional property: Loudness (dB)
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Live from San Pedro
type: MusicAlbum
date published: 2018-02-16
track: Hammer's Tones - Live
  type: MusicRecording
  duration: PT3M23S
  duration ms: 203053
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  by artist: Jeff Hamilton Trio
  in album: Live from San Pedro
    type: MusicAlbum
    date published: 2018-02-16
  genre: hard bop
  genre: jazz
  isrc code: USFBR1814703
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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
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3823520f253229636a2df0128f88d205704d27a39bd167d35fcbefd2d59e7a13. Chain 2 (Bitcoin): anchored in block 958793 (2026-07-19T22:59:45Z), 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/USFBR1814703.
    date published: 2026-07-19T22:59:45Z
  audio: Hammer's Tones - Live
    type: AudioObject
    additional property: Tempo (BPM)
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    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
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      type: PropertyValue
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    additional property: Speechiness
      type: PropertyValue
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    additional property: Acousticness
      type: PropertyValue
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    additional property: Instrumentalness
      type: PropertyValue
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    additional property: Liveness
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    additional property: Valence (Positivity)
      type: PropertyValue
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    additional property: Key Name
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Merry & Bright
type: MusicAlbum
date published: 2021-10-01