Pith Number

pith:VHRB3C3J

pith:2013:VHRB3C3JCIUVDB5UCFJGCDYTNJ

not attested not anchored not stored refs pending

State estimation under non-Gaussian Levy noise: A modified Kalman filtering method

Jinqiao Duan, Xiangjun Wang, Xiaofan Li, Xu Sun

arxiv:1303.2395 v1 · 2013-03-10 · math.DS · cs.IT · cs.LG · math.IT · math.PR · stat.ML

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VHRB3C3JCIUVDB5UCFJGCDYTNJ}

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	2026-05-18T03:31:19.158438Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a9e21d8b6912295187b41152610f136a79f2ac53349503048feffafd6a5ca912

Aliases

arxiv: 1303.2395 · arxiv_version: 1303.2395v1 · doi: 10.48550/arxiv.1303.2395 · pith_short_12: VHRB3C3JCIUV · pith_short_16: VHRB3C3JCIUVDB5U · pith_short_8: VHRB3C3J

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/VHRB3C3JCIUVDB5UCFJGCDYTNJ \
  | 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: a9e21d8b6912295187b41152610f136a79f2ac53349503048feffafd6a5ca912

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0d6917b47530892b483a82e269a3f58e511b052621113923eacf6ca4b9dca672",
    "cross_cats_sorted": [
      "cs.IT",
      "cs.LG",
      "math.IT",
      "math.PR",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2013-03-10T23:20:12Z",
    "title_canon_sha256": "2f708d27ff60032cb414e472522c2edb76824636d32d57b1457b4406e62d002d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1303.2395",
    "kind": "arxiv",
    "version": 1
  }
}