Pith Number

pith:GV6UVSHL

pith:2012:GV6UVSHLUJUYI5VWTOEAU3FQKK

not attested not anchored not stored refs pending

A contraction theory-based analysis of the stability of the Extended Kalman Filter

Jean-Jacques Slotine, Silvere Bonnabel

arxiv:1211.6624 v2 · 2012-11-28 · cs.SY · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GV6UVSHLUJUYI5VWTOEAU3FQKK}

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	2026-05-18T03:39:27.745141Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

357d4ac8eba2698476b69b880a6cb052985dec81c7e753de2ddb742c38fe8690

Aliases

arxiv: 1211.6624 · arxiv_version: 1211.6624v2 · doi: 10.48550/arxiv.1211.6624 · pith_short_12: GV6UVSHLUJUY · pith_short_16: GV6UVSHLUJUYI5VW · pith_short_8: GV6UVSHL

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/GV6UVSHLUJUYI5VWTOEAU3FQKK \
  | 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: 357d4ac8eba2698476b69b880a6cb052985dec81c7e753de2ddb742c38fe8690

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dd2f52719eb7fc1b4bae2d98b83b8d12cc147a8ed78361c0b1720ae3801d098e",
    "cross_cats_sorted": [
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SY",
    "submitted_at": "2012-11-28T15:11:13Z",
    "title_canon_sha256": "1170b2e42cc12842d0998a86b2a067f7a58e886dc552395e3904f8804aa28b75"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1211.6624",
    "kind": "arxiv",
    "version": 2
  }
}