Pith Number

pith:JOS2GQUI

pith:2019:JOS2GQUIFCSBITF4ZFRNDGEDP2

not attested not anchored not stored refs pending

On the anticipative nonlinear filtering problem and its stability

Guang Lin, Samy Tindel, Yanghui Liu

arxiv:1902.08168 v1 · 2019-02-21 · math.PR · 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{JOS2GQUIFCSBITF4ZFRNDGEDP2}

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	2026-05-17T23:53:01.925298Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4ba5a3428828a4144cbcc962d198837e86448a3de175d3b5af7ce121672242c8

Aliases

arxiv: 1902.08168 · arxiv_version: 1902.08168v1 · doi: 10.48550/arxiv.1902.08168 · pith_short_12: JOS2GQUIFCSB · pith_short_16: JOS2GQUIFCSBITF4 · pith_short_8: JOS2GQUI

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/JOS2GQUIFCSBITF4ZFRNDGEDP2 \
  | 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: 4ba5a3428828a4144cbcc962d198837e86448a3de175d3b5af7ce121672242c8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "599bdf031aeab2ef30eefab4861909e2b46876031ea0bd6bf06e915cbe344c2f",
    "cross_cats_sorted": [
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.PR",
    "submitted_at": "2019-02-21T18:15:13Z",
    "title_canon_sha256": "ab106d322bd5cbfd3b63bbe0aad82ab6464dbe1598338722ba3382db8d744492"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.08168",
    "kind": "arxiv",
    "version": 1
  }
}