Pith Number

pith:J6B5TU7O

pith:2023:J6B5TU7OQM7CJ37PQZBTAXLPEM

not attested not anchored not stored refs pending

A Machine Learning Approach to Long-Term Drought Prediction using Normalized Difference Indices Computed on a Spatiotemporal Dataset

Alessandro Sebastianelli, Benjamin Rich, Francesco Mauro, Silvia Liberata Ullo, Veronica Wairimu Muriga

arxiv:2302.02440 v2 · 2023-02-05 · eess.IV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{J6B5TU7OQM7CJ37PQZBTAXLPEM}

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	2026-07-05T06:16:15.658040Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4f83d9d3ee833e24efef8643305d6f231f6a22e926b18a43c938b04f3cd04918

Aliases

arxiv: 2302.02440 · arxiv_version: 2302.02440v2 · doi: 10.48550/arxiv.2302.02440 · pith_short_12: J6B5TU7OQM7C · pith_short_16: J6B5TU7OQM7CJ37P · pith_short_8: J6B5TU7O

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/J6B5TU7OQM7CJ37PQZBTAXLPEM \
  | 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: 4f83d9d3ee833e24efef8643305d6f231f6a22e926b18a43c938b04f3cd04918

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "00db822a2bf7aa830a50cc9fcfe23e7725fcf666f88df23a18ad35ffa6c83f6c",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "eess.IV",
    "submitted_at": "2023-02-05T17:41:46Z",
    "title_canon_sha256": "51ed11ce878db3476a04930215eff878e3d69f5bbf9f3f3f8916caeb6a4e7b8d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2302.02440",
    "kind": "arxiv",
    "version": 2
  }
}