Pith Number

pith:4B4TODCT

pith:2017:4B4TODCTLFN3FJ2SCH5JP3KKYP

not attested not anchored not stored refs pending

Distributed Kalman Filters with State Equality Constraints: Time-based and Event-triggered Communications

Chen Hu, Haitao Fang, Ling Shi, Xingkang He, Yiguang Hong

arxiv:1711.05010 v2 · 2017-11-14 · 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{4B4TODCTLFN3FJ2SCH5JP3KKYP}

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	2026-05-17T23:51:39.810973Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e079370c53595bb2a75211fa97ed4ac3d385fadb83f56a91f93655f632212449

Aliases

arxiv: 1711.05010 · arxiv_version: 1711.05010v2 · doi: 10.48550/arxiv.1711.05010 · pith_short_12: 4B4TODCTLFN3 · pith_short_16: 4B4TODCTLFN3FJ2S · pith_short_8: 4B4TODCT

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/4B4TODCTLFN3FJ2SCH5JP3KKYP \
  | 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: e079370c53595bb2a75211fa97ed4ac3d385fadb83f56a91f93655f632212449

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "79a1429e3218eb8957a4391398aa51988ef073c604807bf2255d155242cd3ff8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SY",
    "submitted_at": "2017-11-14T09:23:08Z",
    "title_canon_sha256": "6c02ee2827cf1cea0d62815812b4bada978e1c8b9293742b25660aa77f80ddc4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1711.05010",
    "kind": "arxiv",
    "version": 2
  }
}