Pith Number

pith:L2KFZ5EL

pith:2011:L2KFZ5ELZZD652TCM2FUTH223D

not attested not anchored not stored refs pending

Symmetries in observer design: review of some recent results and applications to EKF-based SLAM

Silvere Bonnabel

arxiv:1105.2254 v1 · 2011-05-11 · math.OC · cs.RO · cs.SY

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{L2KFZ5ELZZD652TCM2FUTH223D}

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	2026-05-18T04:22:20.171004Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5e945cf48bce47eeea62668b499f5ad8f5de3771ff05ffadd36df16a4996278a

Aliases

arxiv: 1105.2254 · arxiv_version: 1105.2254v1 · doi: 10.48550/arxiv.1105.2254 · pith_short_12: L2KFZ5ELZZD6 · pith_short_16: L2KFZ5ELZZD652TC · pith_short_8: L2KFZ5EL

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/L2KFZ5ELZZD652TCM2FUTH223D \
  | 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: 5e945cf48bce47eeea62668b499f5ad8f5de3771ff05ffadd36df16a4996278a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7545a14f6d31a2e864353493810d8ab5f2e82844d053c901175d6a54ef54431b",
    "cross_cats_sorted": [
      "cs.RO",
      "cs.SY"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2011-05-11T17:13:08Z",
    "title_canon_sha256": "fa5690e8c8a51bc313459d6daec76df3cd7d396e4aac02271fac3c65c599e966"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1105.2254",
    "kind": "arxiv",
    "version": 1
  }
}