Pith Number

pith:FQJRHRNZ

pith:2026:FQJRHRNZ37SLYOEHZ3KNGQ5D46

not attested not anchored not stored refs pending

Policy4OOD: A Knowledge-Guided World Model for Policy Intervention Simulation against the Opioid Overdose Crisis

Kaiwen Shi, Nitesh Chawla, Weixiang Sun, Yanfang Ye, Yijun Ma, Zehong Wang, Zheyuan Zhang

arxiv:2602.12373 v2 · 2026-02-12 · cs.LG · cs.AI · cs.SI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FQJRHRNZ37SLYOEHZ3KNGQ5D46}

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	2026-06-23T01:12:01.785124Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2c1313c5b9dfe4bc3887ced4d343a3e7a3364e42b717d50b5a5c27dbc9cdc3c3

Aliases

arxiv: 2602.12373 · arxiv_version: 2602.12373v2 · doi: 10.48550/arxiv.2602.12373 · pith_short_12: FQJRHRNZ37SL · pith_short_16: FQJRHRNZ37SLYOEH · pith_short_8: FQJRHRNZ

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/FQJRHRNZ37SLYOEHZ3KNGQ5D46 \
  | 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: 2c1313c5b9dfe4bc3887ced4d343a3e7a3364e42b717d50b5a5c27dbc9cdc3c3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6105aa5cd9541830cc8d357ebbed43dcd73eda119cc8e53611cf5a2b64da23ea",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.SI"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-02-12T20:08:49Z",
    "title_canon_sha256": "7972538f7059d7715ff1838aabf2bccffab393f639ec629d133e112f4f4ea96f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2602.12373",
    "kind": "arxiv",
    "version": 2
  }
}