Pith Number

pith:ZGJ4VU6C

pith:2025:ZGJ4VU6CZIFBMOVRFXOR7FNWGH

not attested not anchored not stored refs pending

A production planning benchmark for real-world refinery-petrochemical complexes

Chen Fan, Chuan Wang, Feng Qian, Minglei Yang, Tianao Kang, Wenli Du, Xin Dai, Yeke Zhong, Zhi Li, Ziting Liang

arxiv:2503.22057 v1 · 2025-03-28 · cs.CE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZGJ4VU6CZIFBMOVRFXOR7FNWGH}

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	2026-07-05T10:40:46.610380Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c993cad3c2ca0a163ab12ddd1f95b631cfb0d1b10ee87917e250b9afa2798bdb

Aliases

arxiv: 2503.22057 · arxiv_version: 2503.22057v1 · doi: 10.48550/arxiv.2503.22057 · pith_short_12: ZGJ4VU6CZIFB · pith_short_16: ZGJ4VU6CZIFBMOVR · pith_short_8: ZGJ4VU6C

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/ZGJ4VU6CZIFBMOVRFXOR7FNWGH \
  | 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: c993cad3c2ca0a163ab12ddd1f95b631cfb0d1b10ee87917e250b9afa2798bdb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3e1082f2dd9186239e54cb02658242a148d2ad4792cfdc4e1eaa2eaa946c511a",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "cs.CE",
    "submitted_at": "2025-03-28T00:32:39Z",
    "title_canon_sha256": "468e0ce1af4474c62e72f3e1b5df42179f12a97c7526ee37ecb127060559e527"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2503.22057",
    "kind": "arxiv",
    "version": 1
  }
}