Pith Number

pith:XXNLEBZD

pith:2025:XXNLEBZDPDYAPLUU3YAM5ZFK6J

not attested not anchored not stored refs pending

A large language model system for the field of chemical engineering technology

Fan Yang, Feiyang Xu, Hao Wang, Heng Zhang, Jian Cui, Jibin Zhou, Mao Ye, Xin Li, Yi Li

arxiv:2509.07034 v1 · 2025-09-08 · physics.chem-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{XXNLEBZDPDYAPLUU3YAM5ZFK6J}

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	2026-07-05T12:07:14.400968Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bddab2072378f007ae94de00cee4aaf24aedaf8b195b3fa7cc6038eda29c933f

Aliases

arxiv: 2509.07034 · arxiv_version: 2509.07034v1 · doi: 10.48550/arxiv.2509.07034 · pith_short_12: XXNLEBZDPDYA · pith_short_16: XXNLEBZDPDYAPLUU · pith_short_8: XXNLEBZD

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/XXNLEBZDPDYAPLUU3YAM5ZFK6J \
  | 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: bddab2072378f007ae94de00cee4aaf24aedaf8b195b3fa7cc6038eda29c933f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0daea576da510637816fbecf29fa0cda99516d637beb623d8376ed636ede9230",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.chem-ph",
    "submitted_at": "2025-09-08T03:40:03Z",
    "title_canon_sha256": "9582ca3e160c9b1d2b503e16d9961aa0827cc936c279465dc12bc2285595668d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2509.07034",
    "kind": "arxiv",
    "version": 1
  }
}