Pith Number

pith:QWGJSBRF

pith:2016:QWGJSBRFS2YA6PKWOWCXZX3IJL

not attested not anchored not stored refs pending

A climate network-based index to discriminate different types of El Ni\~no and La Ni\~na

Alexander Radebach, Jonathan F. Donges, J\"urgen Kurths, Marc Wiedermann, Reik V. Donner

arxiv:1604.04432 v1 · 2016-04-15 · 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{QWGJSBRFS2YA6PKWOWCXZX3IJL}

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	2026-05-18T00:57:44.034118Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

858c99062596b00f3d5675857cdf684acadfd49c7df4e17cdd57ebbca2c4970b

Aliases

arxiv: 1604.04432 · arxiv_version: 1604.04432v1 · doi: 10.48550/arxiv.1604.04432 · pith_short_12: QWGJSBRFS2YA · pith_short_16: QWGJSBRFS2YA6PKW · pith_short_8: QWGJSBRF

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/QWGJSBRFS2YA6PKWOWCXZX3IJL \
  | 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: 858c99062596b00f3d5675857cdf684acadfd49c7df4e17cdd57ebbca2c4970b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e79761ce853be4ac465737db9113981a4f8cfb6c9743da760a8ec8cbfb192fbf",
    "cross_cats_sorted": [
      "physics.ao-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.data-an",
    "submitted_at": "2016-04-15T11:21:05Z",
    "title_canon_sha256": "8493f71bb3132885a2011114e5a44122660c8a8826d9b117f173ffe8f930532e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1604.04432",
    "kind": "arxiv",
    "version": 1
  }
}