Pith Number

pith:35HIU64Z

pith:2022:35HIU64ZV5ROWENDTOK63VYKAZ

not attested not anchored not stored refs pending

Simulation and application of COVID-19 compartment model using physics-informed neural network

Jiahao Ma, Jinhuan Ke, Robin Singh, Xiyu Yin

arxiv:2208.02433 v4 · 2022-08-04 · q-bio.QM · cs.LG · physics.soc-ph · q-bio.PE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{35HIU64ZV5ROWENDTOK63VYKAZ}

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	2026-07-05T05:05:49.901985Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

df4e8a7b99af62eb11a39b95edd70a066c5b6687db952d4576a8059f95ef0d3f

Aliases

arxiv: 2208.02433 · arxiv_version: 2208.02433v4 · doi: 10.48550/arxiv.2208.02433 · pith_short_12: 35HIU64ZV5RO · pith_short_16: 35HIU64ZV5ROWEND · pith_short_8: 35HIU64Z

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/35HIU64ZV5ROWENDTOK63VYKAZ \
  | 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: df4e8a7b99af62eb11a39b95edd70a066c5b6687db952d4576a8059f95ef0d3f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "97c67e641b2c15300ea391854d017416969891c9f66affe78884e39760399d7a",
    "cross_cats_sorted": [
      "cs.LG",
      "physics.soc-ph",
      "q-bio.PE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.QM",
    "submitted_at": "2022-08-04T03:59:37Z",
    "title_canon_sha256": "187301cbcd3bdb54c1db1db952d2bbb2ddec713c71a3c22716b5859b7bde97c9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2208.02433",
    "kind": "arxiv",
    "version": 4
  }
}