Pith Number

pith:PS4M4MPH

pith:2017:PS4M4MPHOKMKPLJBRYV27UKQOO

not attested not anchored not stored refs pending

Kalman Filter and its Modern Extensions for the Continuous-time Nonlinear Filtering Problem

Amirhossein Taghvaei, Jana de Wiljes, Prashant G. Mehta, Sebastian Reich

arxiv:1702.07241 v3 · 2017-02-21 · math.OC · 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{PS4M4MPHOKMKPLJBRYV27UKQOO}

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	2026-05-18T00:27:30.548069Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7cb8ce31e77298a7ad218e2bafd15073aa331c45b0fe202ec4da5f0ae9771462

Aliases

arxiv: 1702.07241 · arxiv_version: 1702.07241v3 · doi: 10.48550/arxiv.1702.07241 · pith_short_12: PS4M4MPHOKMK · pith_short_16: PS4M4MPHOKMKPLJB · pith_short_8: PS4M4MPH

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/PS4M4MPHOKMKPLJBRYV27UKQOO \
  | 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: 7cb8ce31e77298a7ad218e2bafd15073aa331c45b0fe202ec4da5f0ae9771462

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0d2f9f8bc5981a4861c7035233a4d0ada2222bfbce2b897425f56eb737b9510f",
    "cross_cats_sorted": [
      "cs.SY"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2017-02-21T17:26:14Z",
    "title_canon_sha256": "88336a3c33753d37ee5510207233574d3bae5a0c06c78e6071f8ff304c829b83"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1702.07241",
    "kind": "arxiv",
    "version": 3
  }
}