Pith Number

pith:WKA4NRQP

pith:2013:WKA4NRQPYYEAAWGLHZJADAAKNK

not attested not anchored not stored refs pending

Disentangling different types of El Ni\~no episodes by evolving climate network analysis

Alexander Radebach, Jakob Runge, Jonathan F. Donges, J\"urgen Kurths, Reik V. Donner

arxiv:1310.5494 v1 · 2013-10-21 · physics.data-an · 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{WKA4NRQPYYEAAWGLHZJADAAKNK}

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	2026-05-18T03:06:21.497883Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b281c6c60fc6080058cb3e5201800a6aa3831f269583d3459a09e9232839aa64

Aliases

arxiv: 1310.5494 · arxiv_version: 1310.5494v1 · doi: 10.48550/arxiv.1310.5494 · pith_short_12: WKA4NRQPYYEA · pith_short_16: WKA4NRQPYYEAAWGL · pith_short_8: WKA4NRQP

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/WKA4NRQPYYEAAWGLHZJADAAKNK \
  | 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: b281c6c60fc6080058cb3e5201800a6aa3831f269583d3459a09e9232839aa64

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "65cc694294773bcc9f475f79d17349838addca2221be65983a1ddb4c3d2fa426",
    "cross_cats_sorted": [
      "physics.ao-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.data-an",
    "submitted_at": "2013-10-21T10:35:20Z",
    "title_canon_sha256": "f94592ac66d967c6190625186dd1b2d58a68da8c97b6ef97db447dd71fd3ece3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1310.5494",
    "kind": "arxiv",
    "version": 1
  }
}