Pith Number

pith:PUH5U57N

pith:2026:PUH5U57NUHMA5G6BLN76EW2BIY

not attested not anchored not stored refs pending

A Constrained Natural-Language Interface for Variational Multi-Physics Finite Element Simulations in FEniCS

Nilay Upadhyay, Wesley F. Reinhart

arxiv:2606.10928 v1 · 2026-06-09 · cs.CE · cs.AI · cs.LG · physics.comp-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PUH5U57NUHMA5G6BLN76EW2BIY}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

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.

Receipt and verification

First computed	2026-06-10T01:10:48.589771Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7d0fda77eda1d80e9bc15b7fe25b41460a903ae8f8ebe6f5183f79dfe20faa67

Aliases

arxiv: 2606.10928 · arxiv_version: 2606.10928v1 · doi: 10.48550/arxiv.2606.10928 · pith_short_12: PUH5U57NUHMA · pith_short_16: PUH5U57NUHMA5G6B · pith_short_8: PUH5U57N

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/PUH5U57NUHMA5G6BLN76EW2BIY \
  | 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: 7d0fda77eda1d80e9bc15b7fe25b41460a903ae8f8ebe6f5183f79dfe20faa67

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "60b64b9ff1768b0f5bca17b40d14fe1b2f8a47418d2f428c7db383ef9ce96870",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.LG",
      "physics.comp-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CE",
    "submitted_at": "2026-06-09T14:38:11Z",
    "title_canon_sha256": "43669de27f06d4bca88c6bb11f4b6767123fe94df488b467c697a9d8baa67f53"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.10928",
    "kind": "arxiv",
    "version": 1
  }
}