Pith Number

pith:7XH7HGRL

pith:2026:7XH7HGRLSJXBWXDDHC3B62CKTF

not attested not anchored not stored refs pending

Chem World: A Large-Scale Benchmark and Physics-Informed Framework for Trustworthy Chemical Property Prediction

Fangyue Lin, Huan Wang, Mingchen Gao, Pinze Ren, Siming Dong, Tianyou Bai, Zhenlin Zhao

arxiv:2607.28079 v1 · 2026-07-30 · cs.LG · 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{7XH7HGRLSJXBWXDDHC3B62CKTF}

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	2026-07-31T01:35:34.487554Z
Builder	pith-number-builder-2026-05-17-v1
Signature	unsigned_v0
Schema	pith-number/v1.0

Canonical hash

fdcff39a2b926e1b5c6338b61f684a99663483b1ca988d9732eae38af1dfd921

Aliases

arxiv: 2607.28079 · arxiv_version: 2607.28079v1 · doi: 10.48550/arxiv.2607.28079 · pith_short_12: 7XH7HGRLSJXB · pith_short_16: 7XH7HGRLSJXBWXDD · pith_short_8: 7XH7HGRL

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/7XH7HGRLSJXBWXDDHC3B62CKTF \
  | 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: fdcff39a2b926e1b5c6338b61f684a99663483b1ca988d9732eae38af1dfd921

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f76c883154a689104ff8a4281bb342cd9a6aa5afa350b6e1fb34c7e5ac859c44",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-07-30T11:50:52Z",
    "title_canon_sha256": "fd21b648e7cb97d4c90ba6d8e2b3efc74a5384a173e159ccb2b752f7d596c805"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.28079",
    "kind": "arxiv",
    "version": 1
  }
}