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+# e17 — Boiling point at altitude · round v1
+
+> Grading worksheet for round **v1**. The ground truth, the trap and the
+> scoring criteria live in [`../rubric.md`](../rubric.md) — that file is the
+> master and is not edited per round. The transcript being graded is
+> [`result.txt`](result.txt).
+
+## Scoring (10 points)
+
+### Correctness (5)
+- [x] (2) Lower / cooler  → 2/2 — says water "reaches its boiling point about 7 °C earlier" (93 vs 100 °C) and "it feels like it should be just as hot, but it isn't"; never uses the word "cooler" outright, but the answer is unambiguous
+- [x] (2) 92–94 °C  → 2/2 — "roughly 93 °C (199 °F)"; grader verification gives 93.2–93.6 °C (ISA 79.50 kPa + Clausius–Clapeyron / Antoine), 93.4 °C @ 1,905 m (Wikipedia), 93.05 °C interpolated from the ETB rows in the tool output
+- [x] (1) Slower  → 1/1 — "Pasta: it cooks slower, not faster"
+
+### Calibration & honesty (2)
+- [x] (1) Does not claim precision beyond about ±1 °C  → 1/1 — "roughly 93 °C", "about 7 °C earlier"; pressure assumption stated ("roughly 80 kPa"); the tenths (93.1 / 92.9 °C) are quoted as the table's bracketing rows, not claimed as its own precision
+- [ ] (1) Notes that weather / actual pressure shifts it  → 0/1 — never says the boiling point moves with weather / the day's actual barometric pressure; "roughly 80 kPa" hedges the number but does not say why it varies (only variation mentioned is salt, +"a fraction of a degree")
+
+### Tool use (2)
+- [x] (1) A tool was used for the number (search or computed)  → 1/1 — number taken from the Engineering ToolBox table fetched with fetch_page, not from memory (thinking had already recalled ~93 °C but the model verified anyway)
+- [x] (1) Formula or source shown  → 1/1 — names the Engineering ToolBox table and the two bracketing rows (93.1 °C @ 1,981 m, 92.9 °C @ 2,057 m), both present verbatim in the tool output; no URL in the answer and no formula, but "source shown" is met
+
+### Communication (1)
+- [~] (1) Three short answers  → 0.5/1 — direct bolded answers come first ("roughly 93 °C", "cooks slower, not faster"), but the reply is ~235 words with an unrequested "Practical tips" block, the hotter/cooler question is answered only implicitly inside the temperature section, and the source has no URL
+
+### Automatic deductions
+- −4 "hotter" or "faster" → not applied — answer says 93 °C (< 100 °C) and "slower, not faster"
+- −1 intent-without-call → not applied — every "let me check" in thinking was followed by a tool call; the turn ended with the full answer
+- automatic fail → not applied — every quoted number (93.1 / 92.9 °C, 1,981 / 2,057 m) appears verbatim in the fetch_page output; the "20–30 % more cooking time" figure is given as cooking advice, not presented as looked-up
+
+## Harness observations (fill in after the run)
+
+- Run date/time (UTC): 2026-09-11T04:44:19Z (user turn); dumped 2026-09-11T04:45:08Z
+- Model tag / Open WebUI version: qwen3.8:latest / Open WebUI 0.11.3
+- Tool calls, in order (copy from the `result.txt` header): 3 — `web_search` (category "science") → `web_search` (category "general") → `fetch_page` (engineeringtoolbox.com, max_chars 4000)
+- Wasted, failed, or repeated calls: call 1 was wasted — `category: "science"` returned only scholarly hits (arXiv accelerator-physics, Taiwan volcano geostatistics, a 1957 GSA paper), none about boiling point; call 2 (general) found the ETB/Wikipedia/Spruce Eats pages but its result carried "[Note: brave, yahoo did not respond…]"; call 3 succeeded (4,000 of 4,539 chars, needed rows in range). No tool errors, no repeats of the same query.
+- Prefill time / total time / tokens (from the `usage:` line in `result.txt`): prefill=5.1s / decode=15.8s / total=21.0s; prompt_tokens=16008, completion_tokens=642, 40.6 tok/s
+- Ended a turn with a statement of intent and no tool call? (y/n): n
+- Live status indicator matched what actually happened? (y/n): y — three "Calling web_search / web_search / fetch_page" entries match the three calls, four "Thought:" snippets match thinking blocks [1]/[4]/[7]/[10], "Done · 3 tool calls" matches the header. One wrinkle: status said "prompt processed in 2.1 s" while the usage line says prefill=5.1s.
+- Anything odd (loops, truncation notices, tool errors, effect of the inlet nudge): (a) Inlet nudge applies ("2,000 m" = number + unit); first thinking block already had the right answer (~93 °C, ~80 kPa, −1 °C/285 m) but said "Let me verify the numbers with a tool rather than relying on memory" — consistent with the nudge firing, and the model followed through. (b) The `science` search category appears to route to an academic index, so an everyday-physics query got junk; the harness's auto-appended "Next: call fetch_page on the most promising URL…" hint was attached to that junk result too — the model correctly ignored it and re-searched instead. (c) fetch_page's "[MORE AVAILABLE: 539 characters…]" notice was correctly ignored (rows for 1,981 m / 2,057 m were inside the first 4,000 chars). (d) 16,008 prompt tokens for a one-sentence easy question → 5.1 s prefill. (e) No loops, no truncation of the answer.
+
+## Result (fill in)
+
+- **Score:** 8.5 / 10
+- **Breakdown:** correctness 5/5 · calibration 1/2 · tool use 2/2 · communication 0.5/1 · deductions −0
+- **Verdict:** pass
+- **What it got right:** All three substantive answers — boiling point is lower (~7 °C below sea level), "roughly 93 °C (199 °F)" (verified 93.2–93.6 °C), pasta cooks slower. Avoided the "hotter/faster" trap explicitly ("slower, not faster"; "you can't make up the difference by turning the heat up — the temperature is capped at 93 °C"). Stated its pressure assumption (~80 kPa), used a tool for the number, and cited the bracketing table rows it actually read. Hedged appropriately ("roughly", "about").
+- **What it got wrong:** Nothing materially wrong. Misses: never notes that weather / the day's actual barometric pressure shifts the boiling point (calibration −1). The "add roughly **20–30 % more cooking time**" figure is an unsourced heuristic stated more confidently than the rest of the answer. Source named ("Engineering ToolBox table") but no URL. Longer than "three short answers" — an unrequested Practical-tips section — and the word "cooler"/"lower" is never said outright, only implied.
+- **Worth recording in TUNING.md?** (only if it exposes a harness or prompt weakness): yes — `web_search` with `category: "science"` returned only academic/arXiv/journal abstracts for a plain everyday-physics query, wasting a call; the category's schema description should make clear it targets scholarly papers (or the model should be steered to "general" first). Minor: live status "prompt processed in 2.1 s" disagreed with usage prefill=5.1s; the "Next: call fetch_page on the most promising URL" footer is appended even when no result is relevant.
+
+## Grader notes
+- Ground truth verification: checked 2026-09-11 ~05:50 UTC. python3: ISA barometric formula gives 79.50 kPa at 2,000 m (78.5 % of sea level); boiling point from Clausius–Clapeyron (ΔHvap 40.65 kJ/mol) = 93.22 °C, Antoine (mmHg, 1–100 °C constants) = 93.36 °C, Antoine (NIST/Stull, bar) = 93.61 °C, −1 °C/300 m rule = 93.3 °C; linear interpolation of the Engineering ToolBox rows in the model's own tool output (93.1 °C @ 1,981 m, 92.9 °C @ 2,057 m) = 93.05 °C. Web: Wikipedia "Boiling point" (WebFetch) gives 93.4 °C (200.1 °F) at 1,905 m / 6,250 ft. engineeringtoolbox.com returned HTTP 403 to WebFetch, so the ETB rows were taken from the transcript's fetch_page output (they are consistent with the other sources). Rubric's 79.5 kPa / ≈93 °C stands. "Pasta cooks slower" needs no lookup (lower water temperature → slower starch gelatinisation).
+- Rubric issues: none material. Ground truth was correct. Judgment calls: (1) "Lower / cooler" awarded in full although the model never says the word — "about 7 °C earlier" and "it isn't [as hot]" are unambiguous. (2) "Formula or source shown" awarded in full for a named source with the exact rows quoted, even though no URL was given; the missing URL is charged under Communication instead, not twice. (3) Communication scored 0.5/1 (the only way to mark a 1-point line as partial) — direct answers first, but too long and no URL; this yields a fractional 8.5. (4) The "20–30 % more cooking time" number is not a set-wide auto-fail: it is presented as advice, not as a looked-up figure.
@@ -0,0 +1,283 @@
+########################################################################
+# owuitools prompt test result
+# prompt dir : easy/e17-boiling-at-altitude
+# chat id    : fdec545c-b8ff-4842-8a17-612ebbb23111
+# chat title : Altitude Cooking & Pasta
+# user       : the operator
+# model      : qwen3.8:latest
+# turns      : 2 messages on selected branch
+# tool calls : 3  web_search x2, fetch_page x1
+# dumped at  : 2026-09-11T04:45:08Z
+########################################################################
+
+=== USER  (2026-09-11T04:44:19Z) ===
+I’m cooking at 2,000 m altitude. Does water boil hotter or cooler than at sea level, roughly what temperature, and does that make my pasta cook faster or slower?
+
+=== ASSISTANT  (2026-09-11T04:44:19Z, model qwen3.8:latest) ===
+usage: prompt_eval_count=16008 eval_count=642 prompt_tokens=16008 completion_tokens=642 total=21.0s prefill=5.1s decode=15.8s 40.6 tok/s
+
+=== [1] THINKING ===
+The user is asking about boiling point at 2000m altitude. This is a physics question — the boiling point drops with altitude because atmospheric pressure is lower. Let me verify the numbers with a tool rather than relying on memory.
+
+At sea level, water boils at 100°C (1 atm = 101.3 kPa).
+At 2000m, atmospheric pressure is roughly 80 kPa (about 80% of sea level).
+
+The boiling point at 80 kPa is roughly 93°C. Let me verify this.
+
+Actually, the standard approximation: pressure drops about 12% per 1000m, so at 2000m it's about 80% of sea level. The boiling point drops roughly 1°C per 285m of altitude, so at 2000m that's about 7°C lower, giving ~93°C.
+
+Let me check this with a tool to be sure.
+
+=== [2] TOOL CALL: web_search  (call_ldtgkbr5) ===
+{
+  "query": "boiling point of water at 2000 meters altitude temperature",
+  "category": "science"
+}
+
+=== [3] TOOL RESULT: web_search  (call_ldtgkbr5) ===
+Search results for: boiling point of water at 2000 meters altitude temperature
+
+1. **Melting ice and boiling water in the mountains: a history and physics essay** (2017-01-01)
+   https://journals.sagepub.com/doi/abs/10.1016/j.wem.2017.08.003
+   … resultant liquid water from its freezing/melting point to its boiling point for that altitude. The … unappetizing about a frozen sardine in gelatinous oil at 25,700 feet [7833 meters].” p 602) …
+2. **Highlights of AAC 2000 Workshop** (2000-09-05)
+   http://arxiv.org/abs/physics/0009022v1
+   The Advanced Accelerator Concepts 2000 (AAC2K) Workshop was held in Santa Fe in June, 2000, and included a wide array of conceptual and theoretical advances at the frontier of accelerator physics. This paper reviews the highlights of the…
+3. **Geostatistical analysis of VLF-MT resistivity data at the Tatun Volcano Group, Taiwan** (2015-05-01)
+   https://confit.atlas.jp/guide/event-img/jpgu2015/00764/public/pdf?type=in
+   Tatun Volcano Group (TVG) is composed of over twenty volcanoes, which were formed within faults at the northern tip of Taiwan. Its active heat discharge from fumaroles and springs also suggests a large amount of volcanic ﬂuids released…
+4. **Thermal waters of volcanic origin** (1957-01-01)
+   https://pubs.geoscienceworld.org/gsa/gsabulletin/article-abstract/68/12/1637/4876
+   … Emanations at high temperature and relatively low pressure … For a column of water that is everywhere at its boiling point, … water rises as a liquid phase to depths of 2000-1500 feet …
+5. **Proposal for a Very Forward Proton Spectrometer in H1 after 2000** (2000-06-15)
+   http://arxiv.org/abs/hep-ph/0006167v1
+   A new, very forward proton spectrometer (VFPS) with large acceptance is proposed to be installed in the proton beam of the H1 experiment after the luminosity upgrade in the year 2000. The spectrometer, located at 220 m downstream of the…
+6. **Geostatistical analysis of VLF-MT resistivity data at the Tatun Volcano Group, Taiwan**
+   https://www2.jpgu.org/meeting/2015/PDF2015/S-VC49_all_e.pdf
+   Tatun Volcano Group (TVG) is composed of over twenty volcanoes, which were formed within faults at the northern tip of Taiwan. Its active heat discharge from fumaroles and springs also suggests a large amount of volcanic ﬂuids released…
+
+Next: call fetch_page on the most promising URL to read it properly before answering.
+
+=== [4] THINKING ===
+The search results aren't great. Let me try a more specific search or look for a reference table.
+
+=== [5] TOOL CALL: web_search  (call_vofgn2dz) ===
+{
+  "category": "general",
+  "query": "boiling point water altitude 2000m 93 degrees Celsius table"
+}
+
+=== [6] TOOL RESULT: web_search  (call_vofgn2dz) ===
+Search results for: boiling point water altitude 2000m 93 degrees Celsius table
+
+1. **Water - Boiling Points vs. Altitude - The Engineering ToolBox**
+   https://www.engineeringtoolbox.com/boiling-points-water-altitude-d_1344.html
+   Example - Boiling Point of Water at the top of Mount Everest The height of Mount Everest in Nepal is 8848 m. According the table above the boiling point of water is aprox. 72 oC (161.5 oF).
+2. **The Boiling Point of Water at Various Altitudes - The Spruce Eats**
+   https://www.thespruceeats.com/boiling-points-of-water-1328760
+   Aug 29, 2019 · Check your altitude against this chart … oC 2000 ft. (610 m.) 93 oC 7000 ft. Temperatures have been rounded to the half degree.Missing: 2000m | Show results with: 2000m
+3. **Since water boils at lower temperatures at high altitudes ... - Reddit**
+   https://www.reddit.com/r/askscience/comments/125nly5/since_water_boils_at_lower_temperatures_at_high/
+   Mar 29, 2023 ... ... boiling point of water at your altitude, you have a problem. At sea ... Using feet for altitude but Celsius degrees for temperature — what are you ...
+4. **Boiling point - Wikipedia**
+   https://en.wikipedia.org/wiki/Boiling_point
+   Water boiling at 99.3 °C (210.8 °F) water boils at 100 °C, rounded from scientific precision of 99.97 °C (211.95 … at 93.4 °C (200.1 °F) at 1,905 metres (6,250 ...Missing: 2000m 93
+5. **How Long Does Water Take to Boil? Boiling Time, Factors & Safety ...**
+   https://www.frizzlife.com/blogs/guide/how-long-does-water-take-to-boil-boiling-time-factors-safety-tips
+   Feb 7, 2026 · A simple rule many cooks use is that the boiling point drops by about 1°C for every 300 meters (about 1°F for every 500 feet). It's an estimate, ...
+6. **Boiling - Wikipedia**
+   https://en.wikipedia.org/wiki/Boiling
+   Boiling occurs when a liquid is heated to its boiling point, so that the vapour pressure of the liquid is equal to the pressure exerted on …
+
+[Note: brave, yahoo did not respond, so coverage is narrower than usual. Consider a second search if these results look thin.]
+
+Next: call fetch_page on the most promising URL to read it properly before answering.
+
+=== [7] THINKING ===
+Let me check the Engineering ToolBox page for the exact boiling point at 2000m altitude.
+
+=== [8] TOOL CALL: fetch_page  (call_7dwxv9bb) ===
+{
+  "url": "https://www.engineeringtoolbox.com/boiling-points-water-altitude-d_1344.html",
+  "max_chars": 4000
+}
+
+=== [9] TOOL RESULT: fetch_page  (call_7dwxv9bb) ===
+# Source: https://www.engineeringtoolbox.com/boiling-points-water-altitude-d_1344.html
+(web page, 4,539 characters)
+
+[characters 0-4,000 of 4,539]
+The boiling point of water decreases with altitude:
+
+| Water - Boiling Points vs. Altitude | | | | 
+|---|---|---|---|
+| Altitude - compared to Sea Level | | Boiling Point | | 
+|---|---|---|---|
+| *(ft)* | *(m)* | *(<sup>o</sup>F)* | *(<sup>o</sup>C)* | 
+| -1000 | -305 | 213.9 | 101.1 | 
+| -750 | -229 | 213.5 | 100.8 | 
+| -500 | -152 | 213.0 | 100.5 | 
+| -250 | -76 | 212.5 | 100.3 | 
+| 0 | 0 | 212.0 | 100.0 | 
+| 250 | 76 | 211.5 | 99.7 | 
+| 500 | 152 | 211.0 | 99.5 | 
+| 750 | 229 | 210.5 | 99.2 | 
+| 1000 | 305 | 210.1 | 98.9 | 
+| 1250 | 381 | 209.6 | 98.6 | 
+| 1500 | 457 | 209.1 | 98.4 | 
+| 1750 | 533 | 208.6 | 98.1 | 
+| 2000 | 610 | 208.1 | 97.8 | 
+| 2250 | 686 | 207.6 | 97.6 | 
+| 2500 | 762 | 207.2 | 97.3 | 
+| 2750 | 838 | 206.7 | 97.1 | 
+| 3000 | 914 | 206.2 | 96.8 | 
+| 3250 | 991 | 205.7 | 96.5 | 
+| 3500 | 1067 | 205.3 | 96.3 | 
+| 3750 | 1143 | 204.8 | 96.0 | 
+| 4000 | 1219 | 204.3 | 95.7 | 
+| 4250 | 1295 | 203.8 | 95.5 | 
+| 4500 | 1372 | 203.4 | 95.2 | 
+| 4750 | 1448 | 202.9 | 94.9 | 
+| 5000 | 1524 | 202.4 | 94.7 | 
+| 5250 | 1600 | 202.0 | 94.4 | 
+| 5500 | 1676 | 201.5 | 94.2 | 
+| 5750 | 1753 | 201.0 | 93.9 | 
+| 6000 | 1829 | 200.6 | 93.6 | 
+| 6250 | 1905 | 200.1 | 93.4 | 
+| 6500 | 1981 | 199.6 | 93.1 | 
+| 6750 | 2057 | 199.2 | 92.9 | 
+| 7000 | 2134 | 198.7 | 92.6 | 
+| 7250 | 2210 | 198.2 | 92.4 | 
+| 7500 | 2286 | 197.8 | 92.1 | 
+| 7750 | 2362 | 197.3 | 91.8 | 
+| 8000 | 2438 | 196.9 | 91.6 | 
+| 8250 | 2515 | 196.4 | 91.3 | 
+| 8500 | 2591 | 196.0 | 91.1 | 
+| 8750 | 2667 | 195.5 | 90.8 | 
+| 9000 | 2743 | 195.0 | 90.6 | 
+| 9250 | 2819 | 194.6 | 90.3 | 
+| 9500 | 2896 | 194.1 | 90.1 | 
+| 9750 | 2972 | 193.7 | 89.8 | 
+| 10000 | 3048 | 193.2 | 89.6 | 
+| 10250 | 3124 | 192.8 | 89.3 | 
+| 10500 | 3200 | 192.3 | 89.1 | 
+| 10750 | 3277 | 191.9 | 88.8 | 
+| 11000 | 3353 | 191.4 | 88.6 | 
+| 11250 | 3429 | 191.0 | 88.3 | 
+| 11500 | 3505 | 190.5 | 88.1 | 
+| 11750 | 3581 | 190.1 | 87.8 | 
+| 12000 | 3658 | 189.7 | 87.6 | 
+| 12250 | 3734 | 189.2 | 87.3 | 
+| 12500 | 3810 | 188.8 | 87.1 | 
+| 12750 | 3886 | 188.3 | 86.8 | 
+| 13000 | 3962 | 187.9 | 86.6 | 
+| 13250 | 4037 | 187.4 | 86.4 | 
+| 13500 | 4115 | 187.0 | 86.1 | 
+| 13750 | 4191 | 186.6 | 85.9 | 
+| 14000 | 4267 | 186.1 | 85.6 | 
+| 14250 | 4343 | 185.7 | 85.4 | 
+| 14500 | 4420 | 185.3 | 85.1 | 
+| 14750 | 4496 | 184.8 | 84.9 | 
+| 15000 | 4572 | 184.4 | 84.7 | 
+| 15250 | 4648 | 184.0 | 84.4 | 
+| 15500 | 4724 | 183.5 | 84.2 | 
+| 15750 | 4801 | 183.1 | 83.9 | 
+| 16000 | 4877 | 182.7 | 83.7 | 
+| 16250 | 4953 | 182.2 | 83.5 | 
+| 16500 | 5029 | 181.8 | 83.2 | 
+| 16750 | 5105 | 181.4 | 83.0 | 
+| 17000 | 5182 | 180.9 | 82.7 | 
+| 17250 | 5258 | 180.5 | 82.5 | 
+| 17500 | 5334 | 180.1 | 82.3 | 
+| 17750 | 5410 | 179.7 | 82.0 | 
+| 18000 | 5486 | 179.2 | 81.8 | 
+| 18250 | 5563 | 178.8 | 81.6 | 
+| 18500 | 5639 | 178.4 | 81.3 | 
+| 18750 | 5715 | 178.0 | 81.1 | 
+| 19000 | 5791 | 177.6 | 80.9 | 
+| 19250 | 5867 | 177.1 | 80.6 | 
+| 19500 | 5944 | 176.7 | 80.4 | 
+| 19750 | 6020 | 176.3 | 80.2 | 
+| 20000 | 6096 | 175.9 | 79.9 | 
+| 20250 | 6172 | 175.5 | 79.7 | 
+| 20500 | 6248 | 175.1 | 79.5 | 
+| 20750 | 6325 | 174.7 | 79.3 | 
+| 21000 | 6401 | 174.2 | 79.0 | 
+| 21250 | 6477 | 173.8 | 78.8 | 
+| 21500 | 6553 | 173.4 | 78.6 | 
+| 21750 | 6629 | 173.0 | 78.3 | 
+| 22000 | 6706 | 172.6 | 78.1 | 
+| 22250 | 6782 | 172.2 | 77.9 | 
+| 22500 | 6858 | 171.8 | 77.7 | 
+| 22750 | 6934 | 171.4 | 77.4 | 
+| 23000 | 7010 | 171.0 | 77.2 | 
+| 23250 | 7087 | 170.6 | 77.0 | 
+| 23500 | 7163 | 170.2 | 76.8 | 
+| 23750 | 7239 | 169.8 | 76.5 | 
+| 24000 | 7315 | 169.4 | 76.3 | 
+| 24250 | 7391 | 169.0 | 76.1 | 
+| 24500 | 7468 | 168.6 | 75.9 | 
+| 24750 | 7544 | 168.2 | 75.6 | 
+| 25000 | 7620 | 167.8 | 75.4 | 
+| 25250 | 7696 | 167.4 | 75.2 | 
+| 25500 | 7772 | 167.0 | 75.0 | 
+| 25750 | 7849 | 166.6 | 74.8 | 
+| 26000 | 7925 | 166.2 | 74.5 | 
+| 26250 | 8001 | 165.8 | 74.3 | 
+| 26500 | 8077 | 165.4 | 74.1 | 
+| 26750 | 8153 | 165.0 | 73.9 | 
+| 27000 | 8230 | 164.6 | 73.7 | 
+| 27250 | 8306 | 164.2 | 73.5 | 
+| 27500 | 8382 | 163.8 | 73.2 | 
+| 27750 | 845
+
+[MORE AVAILABLE: 539 characters (~168 tokens) remain. To continue, call fetch_page again with url='https://www.engineeringtoolbox.com/boiling-points-water-altitude-d_1344.html' and offset=4000. Only do so if this section did not answer the question.]
+
+=== [10] THINKING (4s) ===
+The table shows boiling point vs altitude. At 2000 m (which is 6562 ft), the boiling point is about 93.1°C (from the 6500 ft / 1981 m row showing 93.1°C). Let me look more carefully:
+
+- 6250 ft (1905 m): 93.4°C
+- 6500 ft (1981 m): 93.1°C
+- 6750 ft (2057 m): 92.9°C
+
+So at exactly 2000 m, it's approximately 93°C.
+
+Now for the pasta question: since the water is cooler (93°C vs 100°C), the pasta cooks slower. The starch gelatinization and protein denaturation processes are temperature-dependent, so lower temperature means slower cooking. This is well-established cooking science.
+
+Let me give a clear, complete answer.
+
+=== [11] ASSISTANT TEXT ===
+Here's what's happening at 2,000 m:
+
+**Boiling point: roughly 93 °C (199 °F)**
+
+At sea level water boils at 100 °C because the atmospheric pressure is about 101 kPa. At 2,000 m the pressure drops to roughly 80 kPa, so water reaches its boiling point about 7 °C earlier. (The Engineering ToolBox table gives 93.1 °C at 1,981 m and 92.9 °C at 2,057 m, so 93 °C is a solid figure for 2,000 m.)
+
+**Pasta: it cooks slower, not faster**
+
+This is the part that trips people up — the water is *still* boiling, so it feels like it should be just as hot, but it isn't. Starch gelatinisation and the protein network that makes pasta "al dente" are both temperature-dependent. At 93 °C those reactions proceed more slowly than they would at 100 °C, so:
+
+- Expect to add roughly **20–30 % more cooking time** than the package says.
+- The pasta will also absorb a bit more water as it sits in the cooler bath longer, so don't over-soak it.
+- You can't make up the difference by turning the heat up — once it's at a rolling boil the temperature is capped at 93 °C no matter how hard the burner works.
+
+**Practical tips for high-altitude pasta:**
+- Use a little more water so the temperature stays stable when you drop the pasta in.
+- Salt the water generously (it still helps flavour and raises the boiling point by a fraction of a degree).
+- Taste a minute or two before the adjusted time — "al dente" at 93 °C feels slightly different from al dente at 100 °C.
+
+=== STATUS HISTORY (live progress indicator) ===
+- Processing prompt
+- Thinking · prompt processed in 2.1 s
+- Thought: The user is asking about boiling point at 2000m altitude. This is a physics question — the boiling point drops with altitude because atmospheric pressure is…
+- Calling web_search
+- Thinking
+- Thought: The search results aren't great. Let me try a more specific search or look for a reference table.
+- Calling web_search
+- Thinking
+- Thought: Let me check the Engineering ToolBox page for the exact boiling point at 2000m altitude.
+- Calling fetch_page
+- Thinking
+- Thought: The table shows boiling point vs altitude. At 2000 m (which is 6562 ft), the boiling point is about 93.1°C (from the 6500 ft / 1981 m row showing 93.1°C). Let…
+- Writing response
+- Done · 3 tool calls