Pith Number

pith:U7NQGCLZ

pith:2014:U7NQGCLZSXRQS5X3PVE3F6YBMA

not attested not anchored not stored refs pending

Asymptotically Optimal Discrete Time Nonlinear Filters From Stochastically Convergent State Process Approximations

Athina P. Petropulu, Dionysios S. Kalogerias

arxiv:1411.6719 v3 · 2014-11-25 · math.ST · cs.SY · math.OC · stat.AP · stat.ME · stat.TH

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{U7NQGCLZSXRQS5X3PVE3F6YBMA}

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	2026-05-18T00:59:02.348949Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a7db03097995e30976fb7d49b2fb01600ee5b55b1cd536b5f20d6f5d81364689

Aliases

arxiv: 1411.6719 · arxiv_version: 1411.6719v3 · doi: 10.48550/arxiv.1411.6719 · pith_short_12: U7NQGCLZSXRQ · pith_short_16: U7NQGCLZSXRQS5X3 · pith_short_8: U7NQGCLZ

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/U7NQGCLZSXRQS5X3PVE3F6YBMA \
  | 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: a7db03097995e30976fb7d49b2fb01600ee5b55b1cd536b5f20d6f5d81364689

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "785c350cdc590c52dd6d752eaa70c72692c6dba529ea21806a90c6894a0895d8",
    "cross_cats_sorted": [
      "cs.SY",
      "math.OC",
      "stat.AP",
      "stat.ME",
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.ST",
    "submitted_at": "2014-11-25T03:49:25Z",
    "title_canon_sha256": "ef4194eb5d195721771482139567fbe7fa470c4f31f93d48f1024f22454af4e8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1411.6719",
    "kind": "arxiv",
    "version": 3
  }
}