Pith Number

pith:U3UNXBHR

pith:2024:U3UNXBHRNFPJEUNIKEUP7QRR5W

not attested not anchored not stored refs pending

Learning Epidemiological Dynamics via the Finite Expression Method

Chunmei Wang, Jianda Du, Senwei Liang

arxiv:2412.21049 v1 · 2024-12-30 · cs.LG · cs.NA · math.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{U3UNXBHRNFPJEUNIKEUP7QRR5W}

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	2026-07-05T09:55:26.620025Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a6e8db84f1695e9251a85128ffc231eda3fcc2ed6a4a728b0e21c7eccff66827

Aliases

arxiv: 2412.21049 · arxiv_version: 2412.21049v1 · doi: 10.48550/arxiv.2412.21049 · pith_short_12: U3UNXBHRNFPJ · pith_short_16: U3UNXBHRNFPJEUNI · pith_short_8: U3UNXBHR

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/U3UNXBHRNFPJEUNIKEUP7QRR5W \
  | 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: a6e8db84f1695e9251a85128ffc231eda3fcc2ed6a4a728b0e21c7eccff66827

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "90b396df6f53258e1cecc7175e2ec81d1b7fd33f701914104a376df4f4e6f4ec",
    "cross_cats_sorted": [
      "cs.NA",
      "math.NA"
    ],
    "license": "http://creativecommons.org/publicdomain/zero/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2024-12-30T16:08:12Z",
    "title_canon_sha256": "1547bdfd83993b4e0c46581eeb3374ffbb2de37355dd0e1ba145649d118e5fe9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2412.21049",
    "kind": "arxiv",
    "version": 1
  }
}