Pith Number

pith:4H6S4CSX

pith:2018:4H6S4CSX5NW36UOC7WO6JVRKOO

not attested not anchored not stored refs pending

An approximate dynamic programming approach to food security of communities following hazards

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

arxiv:1812.10540 v1 · 2018-12-16 · cs.CY

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4H6S4CSX5NW36UOC7WO6JVRKOO}

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	2026-05-17T23:44:00.073041Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e1fd2e0a57eb6dbf51c2fd9de4d62a73bfc68e60027514463687d57560594f5b

Aliases

arxiv: 1812.10540 · arxiv_version: 1812.10540v1 · doi: 10.48550/arxiv.1812.10540 · pith_short_12: 4H6S4CSX5NW3 · pith_short_16: 4H6S4CSX5NW36UOC · pith_short_8: 4H6S4CSX

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/4H6S4CSX5NW36UOC7WO6JVRKOO \
  | 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: e1fd2e0a57eb6dbf51c2fd9de4d62a73bfc68e60027514463687d57560594f5b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c4bd06f3582fa99c0f2d6ac04928adb35cda3fdc4c9347bf7df57f76b4480962",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CY",
    "submitted_at": "2018-12-16T02:39:58Z",
    "title_canon_sha256": "98dda1faa12ff5a330395e388f02f0acef9c17f6c2bb92684adead966c42f0ae"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.10540",
    "kind": "arxiv",
    "version": 1
  }
}