Pith Number

pith:JMFZ4ADK

pith:2015:JMFZ4ADKFUPN7VXJZLPT6M23ZC

not attested not anchored not stored refs pending

Secure State Estimation: Optimal Guarantees against Sensor Attacks in the Presence of Noise

Nikhil Karamchandani, Paulo Tabuada, Shaunak Mishra, Suhas Diggavi, Yasser Shoukry

arxiv:1504.05566 v2 · 2015-04-21 · math.OC · cs.CR · cs.IT · cs.SY · math.IT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JMFZ4ADKFUPN7VXJZLPT6M23ZC}

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	2026-05-18T02:18:03.202360Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4b0b9e006a2d1edfd6e9cadf3f335bc8b092ef43f84c57a1cb329f15f2a448e8

Aliases

arxiv: 1504.05566 · arxiv_version: 1504.05566v2 · doi: 10.48550/arxiv.1504.05566 · pith_short_12: JMFZ4ADKFUPN · pith_short_16: JMFZ4ADKFUPN7VXJ · pith_short_8: JMFZ4ADK

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/JMFZ4ADKFUPN7VXJZLPT6M23ZC \
  | 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: 4b0b9e006a2d1edfd6e9cadf3f335bc8b092ef43f84c57a1cb329f15f2a448e8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b63ff185ec5e0c3ff48c2152100bae23285271405724222fd83550f4f764c4a4",
    "cross_cats_sorted": [
      "cs.CR",
      "cs.IT",
      "cs.SY",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2015-04-21T19:52:18Z",
    "title_canon_sha256": "9e5a738526dd669c10a0b3b3edb108196da3345632b55d893c7fd3785444ee12"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.05566",
    "kind": "arxiv",
    "version": 2
  }
}