Pith Number

pith:MFW3EEIE

pith:2021:MFW3EEIE2FK5ZMHAAOHDGUBPAU

not attested not anchored not stored refs pending

Small World Model for scaling up prediction result based on SEIR model

Defan Feng, Guixu Lin, Haoran Zhang, Peiran Li, Xuan Song, Yicheng Zhao

arxiv:2104.06658 v2 · 2021-04-14 · cs.CY

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MFW3EEIE2FK5ZMHAAOHDGUBPAU}

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	2026-07-05T04:00:14.235118Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

616db21104d155dcb0e0038e33502f053b3d63059152a36657bea74406afc08f

Aliases

arxiv: 2104.06658 · arxiv_version: 2104.06658v2 · doi: 10.48550/arxiv.2104.06658 · pith_short_12: MFW3EEIE2FK5 · pith_short_16: MFW3EEIE2FK5ZMHA · pith_short_8: MFW3EEIE

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/MFW3EEIE2FK5ZMHAAOHDGUBPAU \
  | 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: 616db21104d155dcb0e0038e33502f053b3d63059152a36657bea74406afc08f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fbd3f2ea925329b5a4c8f9b4c475d1d4fe2e6d8e99d2d1ea434c07a1a84c6fa8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CY",
    "submitted_at": "2021-04-14T07:12:41Z",
    "title_canon_sha256": "aa0ab4c276eedcff2aca57ce04278fb7505803e55cdc3ed276aaf4598fc14e55"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2104.06658",
    "kind": "arxiv",
    "version": 2
  }
}