Pith Number

pith:2E4MXCV7

pith:2017:2E4MXCV77TSJOLRJUZ77FOXS22

not attested not anchored not stored refs pending

Nonlinear Bayesian Estimation: From Kalman Filtering to a Broader Horizon

Huazhen Fang, Mengchu Zhou, Mulugeta A. Haile, Ning Tian, Yebin Wang

arxiv:1712.01406 v2 · 2017-12-04 · 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{2E4MXCV77TSJOLRJUZ77FOXS22}

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	2026-05-18T00:28:01.556526Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d138cb8abffce4972e29a67ff2baf2d6be72db8ed06469eb5de15d6fe757dd79

Aliases

arxiv: 1712.01406 · arxiv_version: 1712.01406v2 · doi: 10.48550/arxiv.1712.01406 · pith_short_12: 2E4MXCV77TSJ · pith_short_16: 2E4MXCV77TSJOLRJ · pith_short_8: 2E4MXCV7

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/2E4MXCV77TSJOLRJUZ77FOXS22 \
  | 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: d138cb8abffce4972e29a67ff2baf2d6be72db8ed06469eb5de15d6fe757dd79

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d86fbe8c5d0a8a35f1e4e7e933c2f04709abd501b960d80e977f7991951eb2f0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SY",
    "submitted_at": "2017-12-04T23:03:34Z",
    "title_canon_sha256": "c7cd94738db4cdd320c04b43dcddabcff0abd24f0bc10960861929507615519b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1712.01406",
    "kind": "arxiv",
    "version": 2
  }
}