# R41 §41.6 — the proof tour (Lane F)

Regenerate: `tools/.venv/bin/python tools/qa/r41_tour.py` (seed 20261990, fresh headless context per
frame, own no-store server, 1280×720). Every camera is derived from where the thing actually is and
then the frame is checked for what is actually in it; every frame with a humanoid carries the R10
human-sized line in its `.txt` sidecar (stature feet→crown off the **posed** skeleton, as a ratio of
that citizen's own nominal height — fails on a giant >2.0 m or a fold <55%, never on an absolute
seated band).

**These are EVIDENCE, not goldens.** No R41 gate pins a screenshot hash: measured on this tree,
4 of the 5 classic bookmarks are not byte-reproducible across boots (see `F-progress.md` § Round 41,
ask 4). Everything asserted is a counter — draws, tris, fetch surface, item ids, texture URLs,
stature — and every counter in these captions is reproducible.

| frame | what it proves |
|---|---|
| `street_postures.jpg` | D's §41.3 headline: 5 rigs, **3 distinct clips actually playing** (`Walk`, `walk_shopping_bag`, `sit_impatient`), a citizen on a real Lane B bench. 173 draws of ≤300. |
| `street_postures_clips0.jpg` | **the control** — the same seed, the same camera, `?clips=0`: 4 rigs, **1 clip** (`Walk`), clip bank 0/0/0 B. This is R40's street. |
| `street_lean.jpg` | the third new street state: a citizen on `lean_wall_leg_up` against a shopfront + 4 walkers. |
| `browse_interior.jpg` | a browser at a Lane C browse point on `browse_hold_idle` — holding something, not standing to attention — with the keeper on his own seeded idle. |
| `pub_furnished.jpg` | the hero: the pub on gig night. The band and the crowd are the R13 gig layer, **not** R41 cargo — which is why the fittings claim is measured in the pair below and not here. |
| `pub_kit_after.jpg` / `pub_kit_before.jpg` | the honest A/B: same pub, same seed, same camera, 18:30 so no gig crowd on either arm. `noKit:true` drops exactly the R41 specs: **13 → 8 fittings, 49 → 38 draws, 49,708 → 6,948 tris**. |
| `record_dj_booth.jpg` | the rigged DJ booth: `deck_1200_rigged` (platter + tonearm) and `mixer_ttm54i_rigged` on the booth bench. Placed and contract-recorded; nothing drives them (C §41.4-7). |
| `opshop_wardrobe.jpg` / `opshop_wardrobe_off.jpg` | the wardrobe pair: same shop, same camera. ON = 52 named 1990s Australian garments off ONE 246 KB atlas, 69 on rendered meshes. OFF = the procedural canvas, **which is what ships by default** (`?stock=real` is opt-in). |
| `credits_panel.jpg` | Lane B's §41.5 surface on an OSM boot: the HUD link reads `© OpenStreetMap contributors · credits (F2)` and the panel prints the ODbL credit verbatim. |