Pith Number

pith:YJL6TYJ6

pith:2019:YJL6TYJ6G77JSG7REUSX7T3KTL

not attested not anchored not stored refs pending

A Model-Based General Alternative to the Standardised Precipitation Index

Benjamin M. Taylor, Erick A. Chac\'on-Montalv\'an, Gemma Davies, Luke Parry

arxiv:1906.07505 v1 · 2019-06-18 · stat.ME

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YJL6TYJ6G77JSG7REUSX7T3KTL}

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	2026-05-17T23:43:07.712776Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c257e9e13e37fe991bf125257fcf6a9acb78636f870da0db87cfeb5410fb241b

Aliases

arxiv: 1906.07505 · arxiv_version: 1906.07505v1 · doi: 10.48550/arxiv.1906.07505 · pith_short_12: YJL6TYJ6G77J · pith_short_16: YJL6TYJ6G77JSG7R · pith_short_8: YJL6TYJ6

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/YJL6TYJ6G77JSG7REUSX7T3KTL \
  | 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: c257e9e13e37fe991bf125257fcf6a9acb78636f870da0db87cfeb5410fb241b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1304fe629087f07b5c1ca4d935bf51c03c13d29219b2e1bd5dd4bd0a5033985b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2019-06-18T11:45:42Z",
    "title_canon_sha256": "eb00c6ffd8ab2350fe8b3a6cdab794e315200634815f2b963a79e6ba4abce611"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.07505",
    "kind": "arxiv",
    "version": 1
  }
}