Pith Number

pith:HKQPH7H4

pith:2015:HKQPH7H4Z2WNEBI2F7UDCLXG67

not attested not anchored not stored refs pending

Secure Estimation based Kalman Filter for Cyber-Physical Systems against Adversarial Attacks

Claire J. Tomlin, Qie Hu, Young Hwan Chang

arxiv:1512.03853 v2 · 2015-12-12 · 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{HKQPH7H4Z2WNEBI2F7UDCLXG67}

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	2026-05-18T01:12:37.909060Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3aa0f3fcfcceacd2051a2fe8312ee6f7e87645a8b783dacfa7a1126b8bfbf270

Aliases

arxiv: 1512.03853 · arxiv_version: 1512.03853v2 · doi: 10.48550/arxiv.1512.03853 · pith_short_12: HKQPH7H4Z2WN · pith_short_16: HKQPH7H4Z2WNEBI2 · pith_short_8: HKQPH7H4

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/HKQPH7H4Z2WNEBI2F7UDCLXG67 \
  | 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: 3aa0f3fcfcceacd2051a2fe8312ee6f7e87645a8b783dacfa7a1126b8bfbf270

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f35cd3fc0d0449e0ec7e2dfc829d67ebeb2350b40710ec6eaad9e63f3d3b8c21",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SY",
    "submitted_at": "2015-12-12T00:38:08Z",
    "title_canon_sha256": "d5642bb53760fea85b1f3623d6b559a300b22e82a5050e6ddfa96347a1740acd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1512.03853",
    "kind": "arxiv",
    "version": 2
  }
}