Pith Number

pith:XEWANNZR

pith:2017:XEWANNZR6CXEV3A75REMBJP4OZ

not attested not anchored not stored refs pending

Linearly Constrained Kalman Filter For Linear Discrete State-Space Models

Eric Chaumette, Francois Vincent

arxiv:1711.01538 v1 · 2017-11-05 · eess.SP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XEWANNZR6CXEV3A75REMBJP4OZ}

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	2026-05-18T00:31:17.523762Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b92c06b731f0ae4aec1fec48c0a5fc7669c48b83c6ff3a9c1ea357f2ec1cce2b

Aliases

arxiv: 1711.01538 · arxiv_version: 1711.01538v1 · doi: 10.48550/arxiv.1711.01538 · pith_short_12: XEWANNZR6CXE · pith_short_16: XEWANNZR6CXEV3A7 · pith_short_8: XEWANNZR

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/XEWANNZR6CXEV3A75REMBJP4OZ \
  | 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: b92c06b731f0ae4aec1fec48c0a5fc7669c48b83c6ff3a9c1ea357f2ec1cce2b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "75b729ff3c31b7d0dc93e7a789d214c2f87e494a889765bd5c2938b64b064874",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2017-11-05T06:23:32Z",
    "title_canon_sha256": "7ed4a91fd8e60bd3fa185b7e81b680cc3f5522bc7239850697e863071dcd73b5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1711.01538",
    "kind": "arxiv",
    "version": 1
  }
}