Four Jacks And a Jill
type: MusicGroup
description: Four Jacks and a Jill is a South African folk rock ensemble. Career They originally formed in 1964 without a "Jill" under the name "The Nevadas". Subsequently, they became the first group in South Af
popularity: 24
followers: 3731
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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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  date published: 2026-06-12T19:24:56Z
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album: Jimmy Come Lately
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  date published: 1966-11-14
album: The House with the White Washed Gables
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      date published: 1967-07-31
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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
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      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x25446590fd384444a698c1c9c9b1095235b193f2e639f1512a87452da4c9d87e. Chain 2 (Bitcoin): anchored in block 958211 (2026-07-16T01:41:34Z), 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/ZAC032202046.
      date published: 2026-07-16T01:41:34Z
    audio: Single Girl (Single Boy)
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album: Four Jacks and a Jill
  type: MusicAlbum
  date published: 1967-10-09
album: Timothy and Other Hits
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    subject of: OpenTimestamps Proof of Existence
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      date published: 2026-07-14T20:39:42Z
    audio: Timothy
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album: The Sunny Side Of
album: Master Jack
album: Fables
album: Grandfather Dugan + Stone in My Shoe
album: Now!
album: Jill
album: Live
album: The Warrior
album: Sell a Million (Original Soundtrack)
album: On the Move
album: Boy on the Border
album: Master Jack + Sweet Sweet Love
album: Shamwari
album: Gospel Collection Two
album: Met Glenys Lynne se Grootste Treffers
album: Great South African Performers
album: Great SA Performers
album: The Best Of

Instrumentalness
type: PropertyValue
value: 0

Liveness
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value: 0.18

Valence (Positivity)
type: PropertyValue
value: 0.586

Loudness (dB)
type: PropertyValue
value: -6.836

Key Name
type: PropertyValue
value: F

Mode Name
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value: Major

The Sunny Side Of
type: MusicAlbum
date published: 1968-02-05

Master Jack
type: MusicAlbum
date published: 1968-04-22

Fables
type: MusicAlbum
date published: 1968-11-04

Fables
type: MusicAlbum
date published: 1968-11-29

Grandfather Dugan + Stone in My Shoe
type: MusicAlbum
date published: 1969-02-17

Now!
type: MusicAlbum
date published: 1969-12-08

Jill
type: MusicAlbum
date published: 1970-07-20

Live
type: MusicAlbum
date published: 1975-04-07

The Warrior
type: MusicAlbum
date published: 1975-08-18

Sell a Million (Original Soundtrack)
type: MusicAlbum
date published: 1976-01-26

On the Move
type: MusicAlbum
date published: 1977-07-18

Boy on the Border
type: MusicAlbum
date published: 1978-12-04

Master Jack + Sweet Sweet Love
type: MusicAlbum
date published: 1979-07-09

Shamwari
type: MusicAlbum
date published: 1982-04-20

Gospel Collection Two
type: MusicAlbum
date published: 1986-10-06

Met Glenys Lynne se Grootste Treffers
type: MusicAlbum
date published: 2010-07-01
track: Ramaja
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  duration: PT3M9S
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  by artist: Four Jacks And a Jill
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    type: MusicAlbum
    date published: 2010-07-01
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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
    type: DigitalDocument
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    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x91f604efdf74570c7a0984be6c975783d8d4639dd0ca0b268ee32d17fd55580e. Chain 2 (Bitcoin): anchored in block 958208 (2026-07-15T22:40:25Z), 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/USA561033227.
    date published: 2026-07-15T22:40:25Z
  audio: Ramaja
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    additional property: Mode (Major/Minor)
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track: Timothy
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  by artist: Four Jacks And a Jill
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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 0x428608f09a56ed13393fc161837bf3a1eb780de05a1d5c3c94fe978fc8a01156. Chain 2 (Bitcoin): anchored in block 956402 (2026-07-17T03:29:07Z), 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/USA561033228.
    date published: 2026-07-17T03:29:07Z
  audio: Timothy
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track: Haai Casanova
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  subject of: OpenTimestamps Proof of Existence
  audio: Haai Casanova
track: Jimmy Come Lately

OTSTimestamp
type: PropertyValue
value: 2026-07-15T15:47:41Z

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

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5723c70057d77433df24a337efb2acfd528ca62e835f5b1480006b0f38f2400e. Chain 2 (Bitcoin): anchored in block 958157 (2026-07-15T15:47:41Z), 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/USA561033229.
date published: 2026-07-15T15:47:41Z

Haai Casanova
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additional property: Mode (Major/Minor)
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additional property: Danceability
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additional property: Key Name
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additional property: Mode Name
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Jimmy Come Lately
type: MusicRecording
duration: PT3M59S
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by artist: Four Jacks And a Jill
in album: Met Glenys Lynne se Grootste Treffers
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additional property: OTSHash
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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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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6ec5dd5c60febc4b23d7fba51434e14be69f36f874d3de52e56e7728182e04df. Chain 2 (Bitcoin): anchored in block 956728 (2026-07-05T01:43:49Z), 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/USA561033231.
  date published: 2026-07-05T01:43:49Z
audio: Jimmy Come Lately
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Great South African Performers
type: MusicAlbum
date published: 2011

Great SA Performers
type: MusicAlbum
date published: 2011-04-04

The Best Of
type: MusicAlbum
date published: 2013-03-15

Timothy and Other Hits
type: MusicAlbum
date published: 2018-07-30