Pith Number

pith:WFNUUVYF

pith:2019:WFNUUVYFJ75MMD6CDNCHTASIR5

not attested not anchored not stored refs pending

Impact of large scale climate oscillation on drought in West Africa

2), (2) Michael, (3) Department of Meteorology, Adapted Land Use (WASCAL), Akure, Cecilia Ibru University, Christiana F. Olusegun (3) ((1) Department of Physics, Climate Science, Delta State, Federal University of Technology, FUTA), Ibiyinka A. Fuwape (1, Nigeria, Ondo State, Samuel T. Ogunjo (1), Ughelli North, West African Science Service Centre on Climate Change

arxiv:1901.10145 v1 · 2019-01-29 · 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{WFNUUVYFJ75MMD6CDNCHTASIR5}

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	2026-05-17T23:55:16.035923Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b15b4a57054ffac60fc21b447982488f454598ff02a68c6a792bd610c3ca08dd

Aliases

arxiv: 1901.10145 · arxiv_version: 1901.10145v1 · doi: 10.48550/arxiv.1901.10145 · pith_short_12: WFNUUVYFJ75M · pith_short_16: WFNUUVYFJ75MMD6C · pith_short_8: WFNUUVYF

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/WFNUUVYFJ75MMD6CDNCHTASIR5 \
  | 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: b15b4a57054ffac60fc21b447982488f454598ff02a68c6a792bd610c3ca08dd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0658eefa14c1346efdf8414b21de001387d2c23da740f7a29d519140b7d004f3",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-sa/4.0/",
    "primary_cat": "physics.ao-ph",
    "submitted_at": "2019-01-29T07:42:35Z",
    "title_canon_sha256": "833690f3d2a9b4bf09e83ab0ce43d4027d43beeb020a8bcc9a21dceec97fa8f5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.10145",
    "kind": "arxiv",
    "version": 1
  }
}