Pith Number

pith:LPNF5GZE

pith:2026:LPNF5GZECGW32GGZX5TI5YTW47

not attested not anchored not stored refs resolved

First-principles simulation of shocked H-He mixture along the principal Hugoniot

Ammar A. Ellaboudy, S. X. Hu, Valentin V. Karasiev

Ab initio simulations of shocked H-He mixtures match experimental reflectivity but show no discontinuities indicative of demixing.

arxiv:2605.01593 v1 · 2026-05-02 · cond-mat.other

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\pithnumber{LPNF5GZECGW32GGZX5TI5YTW47}

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Record completeness

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2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

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The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Claims

C1strongest claim

These results suggest that reflectivity alone may not provide a unique or sensitive diagnostic of H-He demixing at low helium concentrations under these conditions.

C2weakest assumption

That the RS-KDT0 range-separated thermal hybrid functional and the Tr2SCANL meta-GGA accurately capture both the equation of state and the optical response without systematic bias in the warm-dense-matter regime relevant to the experiments.

C3one line summary

Ab initio molecular dynamics simulations of shocked H-He mixtures reproduce experimental reflectivity values without discontinuities at conditions where demixing was previously inferred from data.

References

48 extracted · 48 resolved · 1 Pith anchors

[1] S. M. Wahl, W. B. Hubbard, B. Militzer, T. Guillot, Y. Miguel, N. Movshovitz, Y. Kaspi, R. Helled, D. Reese, E. Galanti, S. Levin, J. E. Connerney, and S. J. Bolton, Comparingjupiterinteriorstructurem 2017

[2] F. Debras and G. Chabrier, New models of jupiter in the context of juno and galileo, The Astrophysical Journal 872, 100 (2019) 2019

[3] C. R. Mankovich and J. J. Fortney, Evidence for a di- chotomy in the interior structures of jupiter and saturn from helium phase separation, The Astrophysical Journal 889, 51 (2020) 2020

[4] S. Howard, S. Müller, and R. Helled, Evolution of jupiter and saturn with helium rain, Astronomy & Astrophysics 689, A15 (2024) 2024

[5] A. Sur, R. Tejada Arevalo, Y. Su, and A. Burrows, Si- multaneous evolutionary fits for jupiter and saturn incor- porating fuzzy cores, The Astrophysical Journal Letters 980, L5 (2025) 2025

Receipt and verification

First computed	2026-06-02T03:04:41.720128Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5bda5e9b2411adbd18d9bf668ee276e7c7a5f9eb74b719240f72a7f647ee02a2

Aliases

arxiv: 2605.01593 · arxiv_version: 2605.01593v1 · doi: 10.48550/arxiv.2605.01593 · pith_short_12: LPNF5GZECGW3 · pith_short_16: LPNF5GZECGW32GGZ · pith_short_8: LPNF5GZE

Agent API

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Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/LPNF5GZECGW32GGZX5TI5YTW47 \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 5bda5e9b2411adbd18d9bf668ee276e7c7a5f9eb74b719240f72a7f647ee02a2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "358035f4491848ef8940470e0a3474df89f07a2d1c09ffcba9284fa1b4118645",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cond-mat.other",
    "submitted_at": "2026-05-02T19:34:42Z",
    "title_canon_sha256": "39b440c7fd8325b919d23b14ac30270a3b95f7dd687d5076710b534e708d1e85"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.01593",
    "kind": "arxiv",
    "version": 1
  }
}