Pith Number

pith:42LIIEDI

pith:2025:42LIIEDICQJM5JBVO3PXB7OH6L

not attested not anchored not stored refs pending

Walrus: A Cross-Domain Foundation Model for Continuum Dynamics

Alberto Bietti, Bruno Regaldo-Saint Blancard, Cristiana Diaconu, Francois Lanusse, Francois Rozet, Geraud Krawezik, Hadi Sotoudeh, Irina Espejo, Jeff Shen, Kaze W. K. Wong, Keiya Hirashima, Kyunghyun Cho, Liam Parker, Lucas Meyer, Mariel Pettee, Michael McCabe, Miles Cranmer, Payel Mukhopadhyay, Rio Fear, Ruben Ohana, Rudy Morel, Shirley Ho, Siavash Golkar, Tanya Marwah, Tom Hehir

arxiv:2511.15684 v2 · 2025-11-19 · cs.LG · cs.AI · cs.CE

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{42LIIEDICQJM5JBVO3PXB7OH6L}

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Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

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.

Cited by

13 papers in Pith

Otter Weather: Skillful and Computationally Efficient Medium-Range Weather Forecasting

NEXUS: Neural Energy Fields for Physically Consistent Contact-Rich 3D Object Dynamics

Towards a Foundation Model for the Martian Atmosphere

Small Models, Strong Priors: Architectural Inductive Bias for Parameter-Efficient Neural PDE Solvers

Sparse probes and murky physics: a case study of interpretability challenges in a foundation model for continuum dynamics

Receipt and verification

First computed	2026-07-07T02:18:30.461118Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e6968410681412cea43576df70fdc7f2da4ae67326711be3fd90004d96260e09

Aliases

arxiv: 2511.15684 · arxiv_version: 2511.15684v2 · doi: 10.48550/arxiv.2511.15684 · pith_short_12: 42LIIEDICQJM · pith_short_16: 42LIIEDICQJM5JBV · pith_short_8: 42LIIEDI

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/42LIIEDICQJM5JBVO3PXB7OH6L \
  | 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: e6968410681412cea43576df70fdc7f2da4ae67326711be3fd90004d96260e09

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "712023d44869b09c0fac271fcb6704c043b91f0187e1e58a519c9bf799d32c8b",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.CE"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2025-11-19T18:36:03Z",
    "title_canon_sha256": "90b3448c2efb05d599b09643881c77ed4c0fc3440d7fceee86573f5ea1369a56"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2511.15684",
    "kind": "arxiv",
    "version": 2
  }
}