AI extraction · jid 3689 · granite4:32b-a9b-h
· 2026-05-27T22:26:28Z
Judgment
Structured metadata extracted by the canary pipeline, compared against the canonical CSV-sourced row.
3 validation flags
Fields where the AI extraction disagrees with the canonical CSV row. Never auto-resolved.
| Field | AI extracted | Canonical (CSV) |
|---|---|---|
cause_number |
G 88 of 2020 | G 0088/2020 |
neutral_citation |
[2021] CIGC (G) 88 | empty |
court |
Grand Court of the Cayman Islands | CIGC (Civ) |
Core metadata
| Field | Value |
|---|---|
| Neutral citation | [2021] CIGC (G) 88 |
| Cause number | G 0088/2020 |
| Cause year | 2020 |
| Cause division | G |
| Court | CIGC (Civ) |
| Court token (AKN) | cigc-civ |
| Judgment date | 2021-12-17 |
| Judge(s) | Walters J |
| Parties | Neil Purton and Michelle Purton v David Holden and Michelle Holden - Judgment |
| Subject | Breach of contract, illegality, Development and Planning Act, implied terms. Breach of contract; implied terms; Development and Planning Act; illegality doctrine; construction obligations; retention clauses; estoppel; prevention principle |
| Classification | hybrid |
| Extraction method | olmocr |
Akoma Ntoso identifiers
- Work
/akn/ky/judgment/cigc-civ/2021-12-17/0088-2020- Expression
/akn/ky/judgment/cigc-civ/2021-12-17/0088-2020/eng@- Manifestation
/akn/ky/judgment/cigc-civ/2021-12-17/0088-2020/eng@.pdf
Top-Level Concepts (TLC) referenced
Persons, organisations, and concepts the pipeline identified in the document. Dedup'd across the corpus by name + IRI.
Persons (7)
-
The Hon. Mr Justice Alastair Walters (Actg.)
/akn/ontology/canary/person/judge/ky.alastair-walters-actg -
NEIL PURTON
/akn/ontology/canary/person/party-natural/ky.neil-purton -
MICHELLE PURTON
/akn/ontology/canary/person/party-natural/ky.michelle-purton -
DAVID HOLDEN
/akn/ontology/canary/person/party-natural/ky.david-holden -
MICHELLE HOLDEN
/akn/ontology/canary/person/party-natural/ky.michelle-holden -
Mr James Kennedy
/akn/ontology/canary/person/lawyer/ky.james-kennedy -
Mr Anthony Akiwumi
/akn/ontology/canary/person/lawyer/ky.anthony-akiwumi
Organisations (3)
-
Grand Court of the Cayman Islands
/akn/ontology/canary/organization/court/ky.grand-court-of-the-cayman-islands -
KSG
/akn/ontology/canary/organization/firm/ky.ksg -
Etienne Blake
/akn/ontology/canary/organization/firm/ky.etienne-blake
Concepts (5)
-
contract law
/akn/ontology/canary/concept/area-of-law/contract-law -
property law
/akn/ontology/canary/concept/area-of-law/property-law -
building regulations
/akn/ontology/canary/concept/area-of-law/building-regulations -
Hearing
/akn/ontology/canary/concept/step/hearing -
Judgment delivered
/akn/ontology/canary/concept/step/delivery
Roles (2)
-
Plaintiff
/akn/ontology/canary/role/plaintiff -
Defendant
/akn/ontology/canary/role/defendant
Lifecycle events
| eId | Date | Type | Source |
|---|---|---|---|
ev_delivery |
2021-12-17 | generation | #canary |
Extraction provenance
- Model
- granite4:32b-a9b-h
- Pipeline version
- 0.2.0-akn
- Extracted at
- 2026-05-27T22:26:28Z
- Text method
- olmocr
- Input tokens
- 10,833
- Output tokens
- 402
- Word count
- 55,144
- Paragraph count
- 213
- PDF pages
- 56
- PDF MD5
- 52b014c93431408bef99c1831873f8f9
- PDF filename
- 21-12-17-Neil-Purton-v-David-Holden.pdf
- Run ID
- 14102
- Run ok?
- yes
- Run duration (s)
- 520.3
- Quality score
- 0.804
- Re-run priority
- medium
Raw AKN envelope JSON
{
"_canary": {
"iri": {
"work": "/akn/ky/judgment/cigc-civ/2021-12-17/0088-2020",
"expression": "/akn/ky/judgment/cigc-civ/2021-12-17/0088-2020/eng@",
"manifestation": "/akn/ky/judgment/cigc-civ/2021-12-17/0088-2020/eng@.pdf"
},
"pdf": {
"md5": "52b014c93431408bef99c1831873f8f9",
"path": "/mnt/e/Cloud/Dropbox/coding/canary/data/judgment_pdfs/21-12-17-Neil-Purton-v-David-Holden.pdf",
"pages": 56,
"filename": "21-12-17-Neil-Purton-v-David-Holden.pdf"
},
"errors": [],
"extraction": {
"model": "granite4:32b-a9b-h",
"stats": {
"word_count": 55144,
"paragraph_count": 213,
"text_char_count": 307633
},
"usage": {
"input_tokens": 10833,
"output_tokens": 402,
"cache_read_input_tokens": 0,
"cache_creation_input_tokens": 0
},
"method": "olmocr",
"version": "0.2.0-akn",
"extracted_at": "2026-05-27T22:26:28.863962+00:00"
},
"classification": "hybrid",
"validation_flags": [
{
"note": "Extracted value disagrees with canonical CSV-sourced row. Recorded for later review (no auto-resolution).",
"field": "cause_number",
"canonical_value": "G 0088/2020",
"extracted_value": "G 88 of 2020"
},
{
"note": "Extracted value disagrees with canonical CSV-sourced row. Recorded for later review (no auto-resolution).",
"field": "neutral_citation",
"canonical_value": null,
"extracted_value": "[2021] CIGC (G) 88"
},
{
"note": "Extracted value disagrees with canonical CSV-sourced row. Recorded for later review (no auto-resolution).",
"field": "court",
"canonical_value": "CIGC (Civ)",
"extracted_value": "Grand Court of the Cayman Islands"
}
],
"docai_processor_id": null
},
"akomaNtoso": {
"doc": null,
"judgment": {
"meta": {
"notes": null,
"workflow": {
"step": [
{
"as": null,
"by": "#canary",
"eId": "step_hearing_1",
"date": "2021-11-17",
"outcome": null,
"refersTo": "#concept-step_1"
},
{
"as": null,
"by": "#canary",
"eId": "step_hearing_2",
"date": "2021-11-18",
"outcome": null,
"refersTo": "#concept-step_1"
},
{
"as": null,
"by": "#canary",
"eId": "step_hearing_3",
"date": "2021-11-19",
"outcome": null,
"refersTo": "#concept-step_1"
},
{
"as": null,
"by": "#canary",
"eId": "step_delivery",
"date": "2021-12-17",
"outcome": null,
"refersTo": "#concept-step_2"
}
],
"source": "#canary"
},
"lifecycle": {
"source": "#canary",
"eventRef": [
{
"eId": "ev_delivery",
"date": "2021-12-17",
"type": "generation",
"source": "#canary"
}
]
},
"references": {
"source": "#canary",
"TLCRole": [
{
"eId": "role_1",
"href": "/akn/ontology/canary/role/plaintiff",
"showAs": "Plaintiff"
},
{
"eId": "role_2",
"href": "/akn/ontology/canary/role/defendant",
"showAs": "Defendant"
}
],
"TLCEvent": [],
"TLCPerson": [
{
"eId": "person-judge_1",
"href": "/akn/ontology/canary/person/judge/ky.alastair-walters-actg",
"showAs": "The Hon. Mr Justice Alastair Walters (Actg.)"
},
{
"eId": "person-party-natural_1",
"href": "/akn/ontology/canary/person/party-natural/ky.neil-purton",
"showAs": "NEIL PURTON"
},
{
"eId": "person-party-natural_2",
"href": "/akn/ontology/canary/person/party-natural/ky.michelle-purton",
"showAs": "MICHELLE PURTON"
},
{
"eId": "person-party-natural_3",
"href": "/akn/ontology/canary/person/party-natural/ky.david-holden",
"showAs": "DAVID HOLDEN"
},
{
"eId": "person-party-natural_4",
"href": "/akn/ontology/canary/person/party-natural/ky.michelle-holden",
"showAs": "MICHELLE HOLDEN"
},
{
"eId": "person-lawyer_1",
"href": "/akn/ontology/canary/person/lawyer/ky.james-kennedy",
"showAs": "Mr James Kennedy"
},
{
"eId": "person-lawyer_2",
"href": "/akn/ontology/canary/person/lawyer/ky.anthony-akiwumi",
"showAs": "Mr Anthony Akiwumi"
}
],
"TLCConcept": [
{
"eId": "concept-area-of-law_1",
"href": "/akn/ontology/canary/concept/area-of-law/contract-law",
"showAs": "contract law"
},
{
"eId": "concept-area-of-law_2",
"href": "/akn/ontology/canary/concept/area-of-law/property-law",
"showAs": "property law"
},
{
"eId": "concept-area-of-law_3",
"href": "/akn/ontology/canary/concept/area-of-law/building-regulations",
"showAs": "building regulations"
},
{
"eId": "concept-step_1",
"href": "/akn/ontology/canary/concept/step/hearing",
"showAs": "Hearing"
},
{
"eId": "concept-step_2",
"href": "/akn/ontology/canary/concept/step/delivery",
"showAs": "Judgment delivered"
}
],
"TLCProcess": [],
"TLCLocation": [],
"TLCOrganization": [
{
"eId": "org-court_1",
"href": "/akn/ontology/canary/organization/court/ky.grand-court-of-the-cayman-islands",
"showAs": "Grand Court of the Cayman Islands"
},
{
"eId": "org-firm_1",
"href": "/akn/ontology/canary/organization/firm/ky.ksg",
"showAs": "KSG"
},
{
"eId": "org-firm_2",
"href": "/akn/ontology/canary/organization/firm/ky.etienne-blake",
"showAs": "Etienne Blake"
}
]
},
"classification": {
"source": "#canary",
"keyword": [
{
"href": "/akn/ontology/canary/concept/area-of-law/contract-law",
"value": "contract law",
"showAs": "Contract Law",
"dictionary": "canary"
},
{
"href": "/akn/ontology/canary/concept/area-of-law/property-law",
"value": "property law",
"showAs": "Property Law",
"dictionary": "canary"
},
{
"href": "/akn/ontology/canary/concept/area-of-law/building-regulations",
"value": "building regulations",
"showAs": "Building Regulations",
"dictionary": "canary"
}
]
},
"identification": {
"source": "#canary",
"FRBRWork": {
"FRBRuri": "/akn/ky/judgment/cigc-civ/2021-12-17/0088-2020",
"FRBRdate": [
{
"date": "2021-12-17",
"name": "delivery"
}
],
"FRBRthis": "/akn/ky/judgment/cigc-civ/2021-12-17/0088-2020/!main",
"FRBRalias": [
{
"name": "neutralCitation",
"value": "[2021] CIGC (G) 88"
}
],
"FRBRauthor": [
{
"as": "#author",
"href": "/akn/ontology/canary/organization/court/ky.grand-court-of-the-cayman-islands"
}
],
"FRBRnumber": "G 88 of 2020",
"FRBRcountry": "ky",
"FRBRsubtype": "cigc-civ"
},
"FRBRExpression": {
"FRBRuri": "/akn/ky/judgment/cigc-civ/2021-12-17/0088-2020/eng@",
"FRBRdate": [
{
"date": "2021-12-17",
"name": "delivery"
}
],
"FRBRthis": "/akn/ky/judgment/cigc-civ/2021-12-17/0088-2020/eng@/!main",
"FRBRauthor": [
{
"as": "#editor",
"href": "/akn/ontology/canary/organization/editor/canary"
}
],
"FRBRlanguage": "eng"
},
"FRBRManifestation": {
"FRBRuri": "/akn/ky/judgment/cigc-civ/2021-12-17/0088-2020/eng@.pdf",
"FRBRdate": [
{
"date": "2026-05-27",
"name": "extraction"
}
],
"FRBRthis": "/akn/ky/judgment/cigc-civ/2021-12-17/0088-2020/eng@.pdf",
"FRBRauthor": [
{
"as": "#editor",
"href": "/akn/ontology/canary/organization/editor/canary"
}
],
"FRBRformat": "application/pdf"
}
}
},
"name": "judgment",
"header": {
"court": {
"showAs": "Grand Court of the Cayman Islands",
"refersTo": "#org-court_1"
},
"judges": [
{
"as": null,
"eId": "judge_1",
"name": "The Hon. Mr Justice Alastair Walters (Actg.)",
"refersTo": "#person-judge_1"
}
],
"lawyers": [
{
"as": null,
"eId": "lawyer_1",
"for": null,
"name": "Mr James Kennedy",
"refersTo": "#person-lawyer_1",
"empoweredBy": "#org-firm_1"
},
{
"as": null,
"eId": "lawyer_2",
"for": null,
"name": "Mr Anthony Akiwumi",
"refersTo": "#person-lawyer_2",
"empoweredBy": "#org-firm_2"
}
],
"parties": [
{
"as": "#role_1",
"eId": "party_1",
"name": "NEIL PURTON",
"refersTo": "#person-party-natural_1",
"sequence": 1
},
{
"as": "#role_1",
"eId": "party_2",
"name": "MICHELLE PURTON",
"refersTo": "#person-party-natural_2",
"sequence": 2
},
{
"as": "#role_2",
"eId": "party_3",
"name": "DAVID HOLDEN",
"refersTo": "#person-party-natural_3",
"sequence": 1
},
{
"as": "#role_2",
"eId": "party_4",
"name": "MICHELLE HOLDEN",
"refersTo": "#person-party-natural_4",
"sequence": 2
}
],
"docketNumber": "G 88 of 2020",
"judgmentKind": null,
"neutralCitation": "[2021] CIGC (G) 88"
}
}
}
}