Pith Number

pith:TWIB5GQW

pith:2018:TWIB5GQWKN4GKOGQLB77YYK2CB

not attested not anchored not stored refs pending

Who is the infector? Epidemic models with symptomatic and asymptomatic cases

Ka Yin Leung, Pieter Trapman, Tom Britton

arxiv:1801.08815 v1 · 2018-01-26 · q-bio.PE · math.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TWIB5GQWKN4GKOGQLB77YYK2CB}

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	2026-05-18T00:25:02.956584Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9d901e9a1653786538d0587ffc615a10562864f7b5805cd953b370651b68a41a

Aliases

arxiv: 1801.08815 · arxiv_version: 1801.08815v1 · doi: 10.48550/arxiv.1801.08815 · pith_short_12: TWIB5GQWKN4G · pith_short_16: TWIB5GQWKN4GKOGQ · pith_short_8: TWIB5GQW

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/TWIB5GQWKN4GKOGQLB77YYK2CB \
  | 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: 9d901e9a1653786538d0587ffc615a10562864f7b5805cd953b370651b68a41a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "02e7692d4b977b289bdddbf113b490e6f8e03663aca0159faa36dc1a44c60d13",
    "cross_cats_sorted": [
      "math.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.PE",
    "submitted_at": "2018-01-26T14:02:20Z",
    "title_canon_sha256": "f0e2a587aba29ba32a43ab0c3ec3e7470b497e13fab1a2f321c2221abe28e765"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.08815",
    "kind": "arxiv",
    "version": 1
  }
}