Pith Number

pith:EJ5Q7RK2

pith:2018:EJ5Q7RK2GRLELSFQW3WQ7XLGKE

not attested not anchored not stored refs pending

Qualitative Analysis and Optimal Control Strategy of an SIR Model with Saturated Incidence and Treatment

Jayanta Kumar Ghosh, M. H. A. Biswas, Susmita Sarkar, Uttam Ghosh

arxiv:1807.05954 v1 · 2018-07-16 · 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{EJ5Q7RK2GRLELSFQW3WQ7XLGKE}

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	2026-05-18T00:10:42.096261Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

227b0fc55a345645c8b0b6ed0fdd66511449fa4ec8b9d43eef8a14e77c5bed5f

Aliases

arxiv: 1807.05954 · arxiv_version: 1807.05954v1 · doi: 10.48550/arxiv.1807.05954 · pith_short_12: EJ5Q7RK2GRLE · pith_short_16: EJ5Q7RK2GRLELSFQ · pith_short_8: EJ5Q7RK2

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/EJ5Q7RK2GRLELSFQW3WQ7XLGKE \
  | 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: 227b0fc55a345645c8b0b6ed0fdd66511449fa4ec8b9d43eef8a14e77c5bed5f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b36b06186e3e9a7fc7a0a206386637fd97957d7956353593913b381c29d74d4e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2018-07-16T16:24:29Z",
    "title_canon_sha256": "3e67d70b012c93186477cd703f0478f34551cf13fe064d4b5f105d8256cadaf4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.05954",
    "kind": "arxiv",
    "version": 1
  }
}