Pith Number

pith:QARXCA5Z

pith:2026:QARXCA5ZVYDX7EGCSPTZOYUYVX

not attested not anchored not stored refs pending

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

Hanwen Wang, Paris Perdikaris, Shyam Sankaran

arxiv:2605.25949 v1 · 2026-05-25 · cs.LG · cs.AI · 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{QARXCA5ZVYDX7EGCSPTZOYUYVX}

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	2026-05-26T02:05:19.765508Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

80237103b9ae077f90c293e7976298ade27e709845687b7527c75828211566f4

Aliases

arxiv: 2605.25949 · arxiv_version: 2605.25949v1 · doi: 10.48550/arxiv.2605.25949 · pith_short_12: QARXCA5ZVYDX · pith_short_16: QARXCA5ZVYDX7EGC · pith_short_8: QARXCA5Z

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/QARXCA5ZVYDX7EGCSPTZOYUYVX \
  | 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: 80237103b9ae077f90c293e7976298ade27e709845687b7527c75828211566f4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6e2303dfdccebc79e5da59318e9240abe4b4b3c187a9f8a87fa56f91d14d3089",
    "cross_cats_sorted": [
      "cs.AI",
      "physics.comp-ph"
    ],
    "license": "http://creativecommons.org/licenses/by-sa/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-05-25T15:27:43Z",
    "title_canon_sha256": "c3b5e683a84d479d1b3d69fe39a9688c8de5445881b72d19e4204eaa41862505"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.25949",
    "kind": "arxiv",
    "version": 1
  }
}