Pith Number

pith:HNUVIFY2

pith:2016:HNUVIFY22O7K6ETZOXRMELLQLP

not attested not anchored not stored refs pending

Have precipitation extremes and annual totals been increasing in the world's dry regions over the last 60 years?

Friederike E.L. Otto, Geert Jan van Oldenborgh, Holger Lange, Jakob Zscheischler, Markus Reichstein, Martin Heimann, Miguel D. Mahecha, Sebastian Sippel

arxiv:1609.00154 v1 · 2016-09-01 · physics.geo-ph · 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{HNUVIFY22O7K6ETZOXRMELLQLP}

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	2026-05-18T01:06:26.732728Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3b6954171ad3beaf127975e2c22d705be74e784fe9137a364c5a571db2566b6d

Aliases

arxiv: 1609.00154 · arxiv_version: 1609.00154v1 · doi: 10.48550/arxiv.1609.00154 · pith_short_12: HNUVIFY22O7K · pith_short_16: HNUVIFY22O7K6ETZ · pith_short_8: HNUVIFY2

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/HNUVIFY22O7K6ETZOXRMELLQLP \
  | 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: 3b6954171ad3beaf127975e2c22d705be74e784fe9137a364c5a571db2566b6d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "42f869e46a6eb688ef0db8cede20cc29d55c22d2a08de2e9f8f0e30f9dcd06f2",
    "cross_cats_sorted": [
      "physics.ao-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.geo-ph",
    "submitted_at": "2016-09-01T09:20:20Z",
    "title_canon_sha256": "d85ef90c06a636dc8830e1f64d527babaf66b7b4765c63e9c31f7dd953f94a48"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1609.00154",
    "kind": "arxiv",
    "version": 1
  }
}