Pith Number

pith:2TNAFDJP

pith:2018:2TNAFDJPGNJQ4K3KW5PVCEH5X7

not attested not anchored not stored refs pending

SIQ: a delay differential equations model for disease control via isolation

Lai-Sang Young, Serhiy Yanchuk, Stefan Ruschel, Tiago Pereira

arxiv:1804.02696 v1 · 2018-04-08 · 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{2TNAFDJPGNJQ4K3KW5PVCEH5X7}

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	2026-05-18T00:18:58.653709Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d4da028d2f33530e2b6ab75f5110fdbfe4c55f5f85c977b3d3bfb379973d198b

Aliases

arxiv: 1804.02696 · arxiv_version: 1804.02696v1 · doi: 10.48550/arxiv.1804.02696 · pith_short_12: 2TNAFDJPGNJQ · pith_short_16: 2TNAFDJPGNJQ4K3K · pith_short_8: 2TNAFDJP

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/2TNAFDJPGNJQ4K3KW5PVCEH5X7 \
  | 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: d4da028d2f33530e2b6ab75f5110fdbfe4c55f5f85c977b3d3bfb379973d198b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a5ab68ea8c4df87a17891b721c2bb887bdcd8cbb2ae8e1272cc642cfd9c87696",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2018-04-08T14:35:21Z",
    "title_canon_sha256": "5752328cd0e2bf4c80e00fccab1659a494fe72cd200da8669fed8f826d48360e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.02696",
    "kind": "arxiv",
    "version": 1
  }
}