---
title: "translation-meta-heb_enc — Mova code model"
description: "Mova code model of tools/translate/src/heb_enc.rs: components with their labels, obernants and the model text."
url: "https://groupants.elamur.ai/free/en/mova/tools/translate/src/heb_enc.rs.groupant/"
---
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# translation-meta-heb_enc

The groupant beside tools/translate/src/heb_enc.rs in the Mova repository: what the code computes, what it never does, how to go back from its outputs, its invariants, cost and checks.

## Facts

- **kind:** groupant
- **status:** partial source bound model
- **source:** [`tools/translate/src/heb_enc.rs`](https://github.com/ElamurAI/mova-free/blob/main/tools/translate/src/heb_enc.rs)
- **source SHA-256:** `2f0f60f06bb0e161…`
- **repository folder:** [`tools/translate/src/heb_enc.rs.groupant`](https://github.com/ElamurAI/mova-free/tree/main/tools/translate/src/heb_enc.rs.groupant)
- **repository commit:** `855da7bd4a7b`

> **Implementation material.** A Mova code model describes this code at one source revision: partial models, finite checks and their stated scope. It is not a reviewed general exposition, and its labels are shown as written, never raised.

## Components

| component | label | where |
|---|---|---|
| **approximant** | partial | [approximant](#approximant) |
| **ast** | partial | `syntax.json` |
| **composition** | partial | [composition](#composition) |
| **cost** | symbolic source derived | [invariant](#invariant) |
| **descriptant** | present | [descriptant](#descriptant) |
| **invariant** | partial | [invariant](#invariant) |
| **tests** | bounded native receipts | [tests](#tests) |

## Obernants

The typed relations around the forward model: the behaviour complement (what the code never does), the reverse reconstruction (every input compatible with an output) and specialised views.

| id | type | label | where |
|---|---|---|---|
| `behavior_complement` | behavior_complement | partial source derived model | [behavior_complement](#behavior-complement) |
| `reverse_reconstruction` | reverse_reconstruction | partial source derived model | [reverse_reconstruction](#reverse-reconstruction) |
| `owner_emission` | owner_emission | partial source derived model | [owner_emission](#owner-emission) |
| `signature_projection` | signature_projection | partial source derived model | [signature_projection](#signature-projection) |
| `failure_order` | failure_order | partial source derived model | [failure_order](#failure-order) |
| `order_residual` | order_residual | partial source derived model | [order_residual](#order-residual) |

## Parts

- [translation-meta-heb_enc-encode](https://md.groupants.elamur.ai/free/en/mova/tools/translate/src/heb_enc.rs.groupant/encode.groupant/)

## Model text


### descriptant

#### Description and epoch memory

Train first token of each owner to five-field Hebrew signature and later tokens to empty. Four-level backoff emits lexical plurality. encode resolves heads through empty emitters. measure compares normal output separately from residual-conditioned reconstruction and records earliest failure.

##### Prospective epoch 2026-10-31

Models predicted metadata loss, bounded coordinate transport and deterministic tie selection before test changes. Production bytes are preserved; only five inline synthetic tests were appended across the group.

##### Observation epoch 2026-10-31

Selected named native tests are bound in tests.md; raw receipts are external under $MOVA_DATA/runs/octopus-wave32-tr_meta-2026-10-31. Syntax is generated twice and byte-compared. This is partial syntax without macro expansion or semantic resolution.

##### Gaps

No real annotator/model loads, corpus translation, teacher calls, GPU, full training/evaluation, or language-accuracy claim. No executable percentage surrogate is supplied: an appropriate reference metric/domain is not established. Supported future caps are1/2/5/10 percent only. Residual reconstruction is conditional on retained diagnostics and is not persistent learning.

### approximant

#### Forward relation

Train first token of each owner to five-field Hebrew signature and later tokens to empty. Four-level backoff emits lexical plurality. encode resolves heads through empty emitters. measure compares normal output separately from residual-conditioned reconstruction and records earliest failure.

### invariant

#### Invariant and cost

##### Domain and preservation

In-range meta heads and aligned owners; signature generated by sig with delimiter-safe fields; counts representable. moved operates valid Take indices and choose_bits requires0<=k<=n.

##### Cost

Four map updates per meta token, emit scans row counts, head resolution O(m²); moved O(s log s), tree/residual helper costs additional.

Counters and allocation arithmetic must remain representable. String/map costs include compared bytes; finite evidence is not a throughput estimate.

### composition

#### Local composition

The child isolates the translation-meta-heb_enc-encode relation inside this source. Its observation is a projection of the complete file relation described in approximant.md; costs overlap and must not be added twice. The remaining code supplies context/table inputs and consumes outputs. External joins: meta MTok feeds profile, Hebrew encoder, fwt and rules; meta LCS feeds logic and alignment-based training; Strong labels optionally override IBM ownership. No runtime chain between all children is asserted.

### models

## Typed models

Subject: exact source hash in manifest; observation is one call or the stated finite training pass. All models are partial source-derived relations, not universal proof. Domain and resource assumptions are in invariant.md. The baseline exclusion is an inner source-derived claim on that domain; reverse is a compatible-antecedent relation. Specialized relations hold fixed the parameters and tables unless stated otherwise. Evidence uses the named checks in tests.md; individual assertions cover only finite parts, other branches remain prospective.

### behavior_complement

Repeated owner cannot emit twice within one training pair. gate_ok does not imply normal exact/chrf=1; empty encoder can pass via residual patches.

### reverse_reconstruction

Encoded words admit nonemitting meta tokens and many contexts; original forms/groups require stored stack residual. Exact reverse is conditional on all scripts, lookup and target spelling, not learned language understanding.

### owner_emission

First valid owner wins even if later meta tokens have more suitable grammar.

### signature_projection

Signature retains lemma/upos/xpos/feats/rel, omits form/head/gloss/strong.

### failure_order

Meta-world failure precedes words, written words, text; count-mismatch branch stores text and checks only meta/words.

### order_residual

moved complements a strictly increasing source-index subsequence; equal source indices cannot both remain.

### tests

#### Checks and evidence

- heb_enc::tests::hebrew_from_the_meta_world_and_back

Exact cargo commands use package translate, binary translate, --offline --locked and -- --exact --test-threads=1. External native-commands.json lists every name; debug and release run twice, numerical status and named outcomes retained. Some tests target other portions of the file; this fragment has source reasoning plus only the overlapping assertions.

Compiled controls mutate production decision expressions and restore exact original bytes; see external mutations.json and restoration receipt. No assertion-only mutation is counted. The evidence summary is authoritative for completed receipts. Scoped source reasoning and finite tests do not establish total branch coverage.

##### Recorded 2026-10-31 result

This source contributes 1 exact named checks to the 18-check group. Every name passes twice in debug and twice in release, with identical sorted outcomes. A compiled production mutation in heb_enc.rs was rejected by its selected runtime assertion; its original and restored SHA-256 match. All 18 checks pass again after all nine restorations. There were nine rejected production mutations, zero assertion-only mutations and zero surviving controls in this batch. Nine source projections matched byte-for-byte across two generations. No original production bytes changed.

The augmented-registry check has no owned source or fragment diagnostic. Only root-owned inference-core/mova child/source bindings await integration. A first isolated-registry experiment was unsuitable because the checker inspects unrelated existing sidecars; those failures are retained separately and are not counted as semantic controls.