Pith Number

pith:J3NOGHRN

pith:2025:J3NOGHRN6WJW5WFPFMCSKYME4Y

not attested not anchored not stored refs pending

Optimal linear filtering of partially observed polynomial processes in discrete and continuous time

Ivo Richert, Jan Kallsen

arxiv:2503.05588 v3 · 2025-03-07 · math.PR · math.ST · 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{J3NOGHRN6WJW5WFPFMCSKYME4Y}

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	2026-06-10T01:09:15.791437Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4edae31e2df5936ed8af2b05256184e61d0ac9b85e992bd784b7e1ee5c3e1db9

Aliases

arxiv: 2503.05588 · arxiv_version: 2503.05588v3 · doi: 10.48550/arxiv.2503.05588 · pith_short_12: J3NOGHRN6WJW · pith_short_16: J3NOGHRN6WJW5WFP · pith_short_8: J3NOGHRN

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/J3NOGHRN6WJW5WFPFMCSKYME4Y \
  | 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: 4edae31e2df5936ed8af2b05256184e61d0ac9b85e992bd784b7e1ee5c3e1db9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "80bd3226b2692704f69907d276ad376847eebfa50b2bb572f6c35e9c8525def9",
    "cross_cats_sorted": [
      "math.ST",
      "stat.TH"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "math.PR",
    "submitted_at": "2025-03-07T17:11:56Z",
    "title_canon_sha256": "e7e4136465bf2adad34e869076254db463f44fcf6bf34a94df5abfb8f1563637"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2503.05588",
    "kind": "arxiv",
    "version": 3
  }
}