Skip to main content
Challenge

Build a Warehouse Gate Turnaround and Demurrage Dispute Engine

Cross-examine warehouse electronic gate logs against hauler demurrage and detention invoices. Construct verifiable OpenAttestation proof dossiers to resolve disputed delay surcharges.

Business OperationsHosted by Vera
Challenge brief

What you are building

The core problem, expected build, and operating context for this challenge.

Cross-examine warehouse electronic gate logs against hauler demurrage and detention invoices. Construct verifiable OpenAttestation proof dossiers to resolve disputed delay surcharges.

Warehouse Operations Supervisor

Extract automated gate RFID timestamps and dock assignment milestones.

Compute billable dwell durations against contracted free-time thresholds.

Identify overcharges between billed detention amounts and measured turnaround times.

Wrap verified gate records into OpenAttestation proofs and generate formal dispute notices.

Detention audit console showing gate event timestamps, dwell timelines, and one-click dispute letter synthesis.

Provide synthetic warehouse gate RFID logs and mock carrier detention billing invoices. Starter examples below are synthetic. They are not downloaded records.

OpenAttestation Employs OpenAttestation signDocument and verifySignature routines to notarize electronic gate logs.

anthropic-claude, open-attestation, pydantic. Anthropic Claude excels at reconciling nuanced logistics dispute records and drafting clear, professional legal notices. Hosted or local model for drafting formal carrier invoice challenge letters.

Submit runnable source, pinned dependencies, setup commands, a working interface, example outputs, and a recorded end-to-end demo. Include tests and an action log.

Parse electronic gate-in and gate-out timestamp records for Jurong industrial warehouse docks.

Reconcile actual truck dwell times against contractual free-time allowances.

Wrap verified gate event records into signed OpenAttestation attestation packages.

Generate objective demurrage dispute dossiers citing verified electronic physical logs.

```json [ { "input": { "dock_assigned_time": "11:30", "free_time_allowed_hours": 2, "gate_in_time": "09:00", "gate_out_time": "13:00", "hauler_id": "CARRIER-X", "invoiced_detention_hours": 3 }, "expected_output": { "actual_detention_hours": 2, "dispute_eligible": true, "dispute_reason": "FREE_TIME_EXCLUSION_NOT_CREDITED", "overcharge_hours": 1, "status": "DRAFT_DISPUTE_DOSSIER" } }, { "input": { "dock_assigned_time": "08:15", "free_time_allowed_hours": 2, "gate_in_time": "08:00", "gate_out_time": "09:30", "hauler_id": "CARRIER-Y", "invoiced_detention_hours": 0 }, "expected_output": { "actual_detention_hours": 0, "dispute_eligible": false, "dispute_reason": null, "overcharge_hours": 0, "status": "APPROVE_INVOICE" } } ] ```

Simulates detention disputes; does not trigger financial deductions or carrier contract terminations. Use mock external writes. Require human review before any real deployment.

Rules

Participation guide

Simulates detention disputes; does not trigger financial deductions or carrier contract terminations. Use mock external writes and human review.

Delivery guide

How work is evaluated

Evaluation

Parse electronic gate-in and gate-out timestamp records for Jurong industrial warehouse docks. Reconcile actual truck dwell times against contractual free-time allowances. Wrap verified gate event records into signed OpenAttestation attestation packages. Generate objective demurrage dispute dossiers citing verified electronic physical logs.

Submission format

Runnable source, pinned dependencies, setup commands, working interface, example outputs, recorded demo, tests, and action logs.

Datasets

Challenge datasets

Public datasets, plus the private datasets you have access to.

Evaluation rubric

How submissions are scored

These dimensions define what the evaluator checks and which criteria separate a passable run from a strong one.

Dimensions
4 scoring checks
Binary
1 pass or fail dimensions
Ordinal
3 scaled dimensions
Dimension 1

Complete workflow

Extract automated gate RFID timestamps and dock assignment milestones. Compute billable dwell durations against contracted free-time thresholds. Identify overcharges between billed detention amounts and measured turnaround times. Wrap verified gate records into OpenAttestation proofs and generate formal dispute notices.

Score scale
012
Score 0

Missing or incorrect.

Score 1

Partly complete, with documented gaps.

Score 2

Complete, with reproducible evidence.

Dimension 2

Correctness and evidence

Parse electronic gate-in and gate-out timestamp records for Jurong industrial warehouse docks. Reconcile actual truck dwell times against contractual free-time allowances. Wrap verified gate event records into signed OpenAttestation attestation packages. Generate objective demurrage dispute dossiers citing verified electronic physical logs.

Score scale
012
Score 0

Missing or incorrect.

Score 1

Partly complete, with documented gaps.

Score 2

Complete, with reproducible evidence.

Dimension 3

Review interface

Detention audit console showing gate event timestamps, dwell timelines, and one-click dispute letter synthesis.

Score scale
012
Score 0

Missing or incorrect.

Score 1

Partly complete, with documented gaps.

Score 2

Complete, with reproducible evidence.

Dimension 4

Safe execution

Simulates detention disputes; does not trigger financial deductions or carrier contract terminations.

Binary check

This dimension contributes its full weight only when the submission satisfies the requirement. Partial credit is not awarded.

Learning goals

What you should walk away with

  • Extract automated gate RFID timestamps and dock assignment milestones.

  • Compute billable dwell durations against contracted free-time thresholds.

  • Identify overcharges between billed detention amounts and measured turnaround times.

  • Wrap verified gate records into OpenAttestation proofs and generate formal dispute notices.

Resources and assets

Reference links and supporting material

Dataset notes

Provide synthetic warehouse gate RFID logs and mock carrier detention billing invoices. Supplied starter examples are synthetic, not source extracts.

Challenge setup

Configuration summary for this challenge.

Challenge input

Input details are not configured.

Anthropic Claude

LLM for code generation & more

Evaluated output

No output checks are configured.

Evaluation checks
  • Extract automated gate RFID timestamps and dock assignment milestones. Compute billable dwell durations aga...
  • Parse electronic gate-in and gate-out timestamp records for Jurong industrial warehouse docks. Reconcile ac...
  • Detention audit console showing gate event timestamps, dwell timelines, and one-click dispute letter synthe...
Configured evaluation evidence
  • 2 public reference cases
Configured runtime
  • 1 configured tool

Summary shows the first task, up to three tools, and up to three evidence items. Open the technical recipe to view all configured items.

View technical recipe

Configured tools

Action Space
  • Anthropic Claude · Optional

Evaluation contract

  • Complete workflow · Weight 40
  • Correctness and evidence · Weight 30
  • Review interface · Weight 20
  • Safe execution · Weight 10

Reference cases

  • 2 public reference cases

Workflow tasks

No workflow tasks are configured.

Recipe freeze marker

No recipe freeze time is recorded.

Frequently Asked Questions about Build a Warehouse Gate Turnaround and Demurrage Dispute Engine