Pith Number

pith:ODDFDCKR

pith:2018:ODDFDCKR6D54WY5M7TER5QONWS

not attested not anchored not stored refs pending

Quantification of historical drought conditions over different climatic zones of Nigeria

2) ((1) Department of Physics, (2) Michael, Akure, Cecilia Ibru University, Delta State, Eunice O. Owoola (1), Federal University of Technology, Ibiyinka A. Fuwape (1, Nigeria, Nigeria), Oluwatobi O. Ife-Adediran (1), Ondo State, Samuel T. Ogunjo (1), Ughelli North

arxiv:1810.00317 v2 · 2018-09-30 · physics.ao-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ODDFDCKR6D54WY5M7TER5QONWS}

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	2026-05-17T23:50:59.248640Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

70c6518951f0fbcb63acfcc91ec1cdb48ca8b402e77082b5d69305adc4350223

Aliases

arxiv: 1810.00317 · arxiv_version: 1810.00317v2 · doi: 10.48550/arxiv.1810.00317 · pith_short_12: ODDFDCKR6D54 · pith_short_16: ODDFDCKR6D54WY5M · pith_short_8: ODDFDCKR

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/ODDFDCKR6D54WY5M7TER5QONWS \
  | 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: 70c6518951f0fbcb63acfcc91ec1cdb48ca8b402e77082b5d69305adc4350223

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b0e94e33fab69ad517078bf0c4f4288c5cd5abe84988b408df754a52c292048f",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "physics.ao-ph",
    "submitted_at": "2018-09-30T04:41:21Z",
    "title_canon_sha256": "67d777cbf6148e00c572dc8fa59354754160afca37e2e7d1f996f42956252e4b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.00317",
    "kind": "arxiv",
    "version": 2
  }
}