Pith Number

pith:7XKTEEMF

pith:2012:7XKTEEMFJAWZFXUKEUPMMNHH7V

not attested not anchored not stored refs pending

ENSO dynamics: low-dimensional-chaotic or stochastic?

Kristoffer Rypdal, Tatjana Zivkovic

arxiv:1206.5657 v1 · 2012-06-25 · 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{7XKTEEMFJAWZFXUKEUPMMNHH7V}

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	2026-05-18T01:56:42.366556Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fdd5321185482d92de8a251ec634e7fd6218af59506e54fa240c086fbae1e34b

Aliases

arxiv: 1206.5657 · arxiv_version: 1206.5657v1 · doi: 10.48550/arxiv.1206.5657 · pith_short_12: 7XKTEEMFJAWZ · pith_short_16: 7XKTEEMFJAWZFXUK · pith_short_8: 7XKTEEMF

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/7XKTEEMFJAWZFXUKEUPMMNHH7V \
  | 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: fdd5321185482d92de8a251ec634e7fd6218af59506e54fa240c086fbae1e34b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2b4ed1809a0831bc6cfcf89351e2f35b0f9579a0442dca6b7f020c86ebfa0ebf",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.ao-ph",
    "submitted_at": "2012-06-25T11:50:41Z",
    "title_canon_sha256": "b7d3b8f2f938099d0231556e07746c2c28b2c2fd4fb2bcc1fd4b577a000b92c3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1206.5657",
    "kind": "arxiv",
    "version": 1
  }
}