Pith Number

pith:4WGKGKLI

pith:2018:4WGKGKLI7UKOKE22OO3DKOSPKV

not attested not anchored not stored refs pending

A Modified Approximate Dynamic Programming Algorithm for Community-level Food Security Following Disasters

Bruce R. Ellingwood, Edwin K. P. Chong, Hussam Mahmoud, Saeed Nozhati, Yugandhar Sarkale

arxiv:1804.00250 v2 · 2018-04-01 · cs.CE · cs.SY

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4WGKGKLI7UKOKE22OO3DKOSPKV}

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	2026-05-18T00:16:02.758281Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e58ca32968fd14e5135a73b6353a4f5567a0fc72b209fe7013eb9c6b0fa5786f

Aliases

arxiv: 1804.00250 · arxiv_version: 1804.00250v2 · doi: 10.48550/arxiv.1804.00250 · pith_short_12: 4WGKGKLI7UKO · pith_short_16: 4WGKGKLI7UKOKE22 · pith_short_8: 4WGKGKLI

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/4WGKGKLI7UKOKE22OO3DKOSPKV \
  | 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: e58ca32968fd14e5135a73b6353a4f5567a0fc72b209fe7013eb9c6b0fa5786f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4b6cc540c4d84f47c6a76cbe11c6c3e7b78f2329123032a4385c12089d74c015",
    "cross_cats_sorted": [
      "cs.SY"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CE",
    "submitted_at": "2018-04-01T02:23:02Z",
    "title_canon_sha256": "9a2ea25fed231ad624e2af9ee258214fd7d950a57e0c2f5e808e3ed2c10bb3ec"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.00250",
    "kind": "arxiv",
    "version": 2
  }
}