Publish synthetic invoice benchmark v1

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README.md

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+---
+license: apache-2.0
+language:
+  - ru
+task_categories:
+  - text-generation
+tags:
+  - document-extraction
+  - invoices
+  - structured-output
+  - synthetic
+size_categories:
+  - n<1K
+configs:
+  - config_name: default
+    data_files:
+      - split: development
+        path: data/development.jsonl
+      - split: validation
+        path: data/validation.jsonl
+      - split: test
+        path: data/test.jsonl
+---
+
+# Russian Invoice Extraction Benchmark
+
+50 synthetic Russian-language invoices with structured JSON targets. The dataset is used by [Alice Extractor](https://github.com/necrasov-ilya/alice-extractor), but it is model-independent.
+
+## Splits
+
+| Split | Rows | Use |
+| --- | ---: | --- |
+| `development` | 30 | prompts and examples |
+| `validation` | 10 | configuration selection |
+| `test` | 10 | final evaluation |
+
+The `test` split is fixed for version 1. It must not be used for training or prompt selection.
+
+## Fields
+
+- `id`: stable document identifier
+- `text`: invoice text
+- `expected`: target object matching `schema/invoice-v1.schema.json`
+- `currency`, `vat_amount`, `item_count`: evaluation slices
+- `template_family`, `vat_mode`: layout and VAT categories
+
+Development and validation contain RUB invoices. Test contains 5 RUB, 2 USD, 2 EUR and 1 CNY invoices. Report the full test result and RUB versus non-RUB slices.
+
+Synthetic tax IDs have the correct length, but a valid Russian checksum is not guaranteed. They are suitable for extraction tests, not registry validation.
+
+## Quality checks
+
+All 50 targets pass JSON Schema. Line totals, subtotals, VAT and totals reconcile. The release has no exact or whitespace-normalized document duplicates and no repeated organization identities. Source validation code and the original paired files are in [Alice Extractor](https://github.com/necrasov-ilya/alice-extractor/tree/main/benchmarks/data/v1).
+
+## License and limits
+
+Apache License 2.0. All records are synthetic and were created for this project. The dataset does not evaluate OCR, scanned PDFs, handwriting or legal and accounting correctness.

data/development.jsonl

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+size 96378

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data/validation.jsonl

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schema/invoice-v1.schema.json

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+{
+  "$schema": "https://json-schema.org/draft/2020-12/schema",
+  "$id": "https://github.com/necrasov-ilya/alice-extractor/schemas/invoice-v1.schema.json",
+  "title": "Russian invoice extraction result",
+  "type": "object",
+  "additionalProperties": false,
+  "required": [
+    "document_type",
+    "invoice_number",
+    "invoice_date",
+    "supplier",
+    "buyer",
+    "currency",
+    "subtotal",
+    "vat_amount",
+    "total_amount",
+    "line_items"
+  ],
+  "properties": {
+    "document_type": {
+      "const": "invoice"
+    },
+    "invoice_number": {
+      "type": ["string", "null"]
+    },
+    "invoice_date": {
+      "type": ["string", "null"],
+      "format": "date"
+    },
+    "supplier": {
+      "$ref": "#/$defs/party"
+    },
+    "buyer": {
+      "$ref": "#/$defs/party"
+    },
+    "currency": {
+      "type": ["string", "null"],
+      "pattern": "^[A-Z]{3}$"
+    },
+    "subtotal": {
+      "type": ["number", "null"]
+    },
+    "vat_amount": {
+      "type": ["number", "null"]
+    },
+    "total_amount": {
+      "type": ["number", "null"]
+    },
+    "line_items": {
+      "type": "array",
+      "items": {
+        "$ref": "#/$defs/line_item"
+      }
+    }
+  },
+  "$defs": {
+    "party": {
+      "type": "object",
+      "additionalProperties": false,
+      "required": ["name", "tax_id"],
+      "properties": {
+        "name": {
+          "type": ["string", "null"]
+        },
+        "tax_id": {
+          "type": ["string", "null"],
+          "pattern": "^(?:[0-9]{10}|[0-9]{12})$"
+        }
+      }
+    },
+    "line_item": {
+      "type": "object",
+      "additionalProperties": false,
+      "required": ["description", "quantity", "unit", "unit_price", "line_total"],
+      "properties": {
+        "description": {
+          "type": "string"
+        },
+        "quantity": {
+          "type": ["number", "null"]
+        },
+        "unit": {
+          "type": ["string", "null"]
+        },
+        "unit_price": {
+          "type": ["number", "null"]
+        },
+        "line_total": {
+          "type": ["number", "null"]
+        }
+      }
+    }
+  }
+}