Pith Number

pith:NCZFBJ6G

pith:2019:NCZFBJ6GTN7PQLVK2D2MAGHM4O

not attested not anchored not stored refs pending

Robust Extended Kalman Filtering for Systems with Measurement Outliers

Huazhen Fang, Mulugeta A. Haile, Yebin Wang

arxiv:1904.00335 v1 · 2019-03-31 · 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{NCZFBJ6GTN7PQLVK2D2MAGHM4O}

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	2026-05-17T23:49:48.711847Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

68b250a7c69b7ef82eaad0f4c018ece3918ae3d601122cdbbbe0c916e248473f

Aliases

arxiv: 1904.00335 · arxiv_version: 1904.00335v1 · doi: 10.48550/arxiv.1904.00335 · pith_short_12: NCZFBJ6GTN7P · pith_short_16: NCZFBJ6GTN7PQLVK · pith_short_8: NCZFBJ6G

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/NCZFBJ6GTN7PQLVK2D2MAGHM4O \
  | 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: 68b250a7c69b7ef82eaad0f4c018ece3918ae3d601122cdbbbe0c916e248473f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "59e4ff712c11065d4ed7b36a0a7903c645bb06f7b99d660c8f314d9a871408ad",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SY",
    "submitted_at": "2019-03-31T03:57:46Z",
    "title_canon_sha256": "1fbc3311250333615af60c86cf181f966ad415859b97da315db351a4f0fe9658"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.00335",
    "kind": "arxiv",
    "version": 1
  }
}