Pith Number

pith:7FIITS2U

pith:2011:7FIITS2US7PAEU5KVWFENAFRWW

not attested not anchored not stored refs pending

Global stability for SIR and SIRS models with differential mortality

Derdei Bichara, Phillipe Adda

arxiv:1112.2662 v1 · 2011-12-12 · 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{7FIITS2US7PAEU5KVWFENAFRWW}

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	2026-05-18T04:06:33.687845Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f95089cb5497de0253aaad8a4680b1b588f7158bce8543a4ee5aca607ace61f4

Aliases

arxiv: 1112.2662 · arxiv_version: 1112.2662v1 · doi: 10.48550/arxiv.1112.2662 · pith_short_12: 7FIITS2US7PA · pith_short_16: 7FIITS2US7PAEU5K · pith_short_8: 7FIITS2U

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/7FIITS2US7PAEU5KVWFENAFRWW \
  | 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: f95089cb5497de0253aaad8a4680b1b588f7158bce8543a4ee5aca607ace61f4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "864c3444029f87881c5f7908fa5965a461522c5f107b55b4f7f942b99917073b",
    "cross_cats_sorted": [
      "math.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.PE",
    "submitted_at": "2011-12-12T19:26:07Z",
    "title_canon_sha256": "3bbaeb1a648cf24640bc5454915bb2ab5d42f06ae65939a1501c87b908f08898"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1112.2662",
    "kind": "arxiv",
    "version": 1
  }
}