Pith Number

pith:NMXQXKXZ

pith:2026:NMXQXKXZV3K7ZWYAC2CH4KPX7J

not attested not anchored not stored refs pending

Improving Auto-Design of Neural PDE Solvers with a Domain-Specific Language

Jingwen Fu, Liwen Xu, Shengxin Kong

arxiv:2608.04384 v1 · 2026-08-05 · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NMXQXKXZV3K7ZWYAC2CH4KPX7J}

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	2026-08-06T01:34:35.836210Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6b2f0baaf9aed5fcdb0016847e29f7fa4379d996fee52abfb1ab801a01e21991

Aliases

arxiv: 2608.04384 · arxiv_version: 2608.04384v1 · doi: 10.48550/arxiv.2608.04384 · pith_short_12: NMXQXKXZV3K7 · pith_short_16: NMXQXKXZV3K7ZWYA · pith_short_8: NMXQXKXZ

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/NMXQXKXZV3K7ZWYAC2CH4KPX7J \
  | 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: 6b2f0baaf9aed5fcdb0016847e29f7fa4379d996fee52abfb1ab801a01e21991

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7bef8a71d4c152255ff7caf73c6d7fe3bdec07eef88d9d65dbc2d4f5ff6171e4",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2026-08-05T02:41:23Z",
    "title_canon_sha256": "ee63f5424cdfcb09e21b8e4a5761a608f057e8f74723040658ce4774de7d6026"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2608.04384",
    "kind": "arxiv",
    "version": 1
  }
}