Pith Number

pith:Y4VJZ2SH

pith:2025:Y4VJZ2SHVN4TLDI7GHBDFMU4YT

not attested not anchored not stored refs pending

ChemHGNN: A Hierarchical Hypergraph Neural Network for Reaction Virtual Screening and Discovery

Anjali Gurajapu, Jules Schleinitz, Nitesh V. Chawla, Sarah E. Reisman, Xiaobao Huang, Yihong Ma, Zhichun Guo

arxiv:2506.11041 v1 · 2025-05-21 · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Y4VJZ2SHVN4TLDI7GHBDFMU4YT}

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	2026-07-05T11:20:58.407177Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c72a9cea47ab79358d1f31c232b29cc4cfcc362a43555065f180cf878f78dffd

Aliases

arxiv: 2506.11041 · arxiv_version: 2506.11041v1 · doi: 10.48550/arxiv.2506.11041 · pith_short_12: Y4VJZ2SHVN4T · pith_short_16: Y4VJZ2SHVN4TLDI7 · pith_short_8: Y4VJZ2SH

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/Y4VJZ2SHVN4TLDI7GHBDFMU4YT \
  | 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: c72a9cea47ab79358d1f31c232b29cc4cfcc362a43555065f180cf878f78dffd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5183b9c6284474c8e87be7724e805089ad50bf6c4b1531119b2686a7e9d32849",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2025-05-21T04:58:25Z",
    "title_canon_sha256": "f72c156f33f20ee2138ddb7d34c34bf558976b06ed0ea7e7d17c9a0b41df1a84"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2506.11041",
    "kind": "arxiv",
    "version": 1
  }
}