Pith Number

pith:36OTHWNL

pith:2018:36OTHWNL4HRU4P6BFRUAPPOYNM

not attested not anchored not stored refs pending

Climate network percolation reveals the expansion and weakening of the tropical component under global warming

Hans Joachim Schellnhuber, Jingfang Fan, Jun Meng, Shlomo Havlin, Yosef Ashkenazy

arxiv:1807.01472 v1 · 2018-07-04 · physics.soc-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{36OTHWNL4HRU4P6BFRUAPPOYNM}

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	2026-05-17T23:55:58.242506Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

df9d33d9abe1e34e3fc12c6807bdd86b2a9b625e538d5b27fbe8f3b478a007ab

Aliases

arxiv: 1807.01472 · arxiv_version: 1807.01472v1 · doi: 10.48550/arxiv.1807.01472 · pith_short_12: 36OTHWNL4HRU · pith_short_16: 36OTHWNL4HRU4P6B · pith_short_8: 36OTHWNL

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/36OTHWNL4HRU4P6BFRUAPPOYNM \
  | 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: df9d33d9abe1e34e3fc12c6807bdd86b2a9b625e538d5b27fbe8f3b478a007ab

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "63d83e0b55e1d06fa9762d44f478247682385071beb1fb201b4d27906d5e4047",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.soc-ph",
    "submitted_at": "2018-07-04T07:47:50Z",
    "title_canon_sha256": "d7b67c817ac4d9355bc46256b8e6d7861f50a13de30e7aed2e5226e91ee84936"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.01472",
    "kind": "arxiv",
    "version": 1
  }
}