Pith Number

pith:VWICBRW6

pith:2018:VWICBRW66PPW62MKF6SDMMR5FI

not attested not anchored not stored refs pending

Robust Kalman Filtering: Asymptotic Analysis of the Least Favorable Model

Bernard C. Levy, Mattia Zorzi

arxiv:1804.06321 v1 · 2018-04-17 · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VWICBRW66PPW62MKF6SDMMR5FI}

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	2026-05-18T00:18:21.016016Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ad9020c6def3df6f698a2fa436323d2a0b81518e17d9f0cf065e8f0a8403a853

Aliases

arxiv: 1804.06321 · arxiv_version: 1804.06321v1 · doi: 10.48550/arxiv.1804.06321 · pith_short_12: VWICBRW66PPW · pith_short_16: VWICBRW66PPW62MK · pith_short_8: VWICBRW6

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/VWICBRW66PPW62MKF6SDMMR5FI \
  | 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: ad9020c6def3df6f698a2fa436323d2a0b81518e17d9f0cf065e8f0a8403a853

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2c07477fb026e2cf62a9b158eb51c7e3d70979a082f56a1f46e182b1b90c7637",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2018-04-17T15:30:59Z",
    "title_canon_sha256": "ae84a592f589d27d10110e0283f340e74f29f8bbdc61a9661fb140079a983118"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.06321",
    "kind": "arxiv",
    "version": 1
  }
}