Pith Number

pith:E2FTMFAZ

pith:2018:E2FTMFAZ4VVCIJ6IUGOBOHLV4M

not attested not anchored not stored refs pending

Kalman filter demystified: from intuition to probabilistic graphical model to real case in financial markets

Eric Benhamou

arxiv:1811.11618 v2 · 2018-11-28 · q-fin.ST · cs.LG · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{E2FTMFAZ4VVCIJ6IUGOBOHLV4M}

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	2026-05-17T23:58:24.650184Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

268b361419e56a2427c8a19c171d75e31809ab99a22c1a717f38fbf84b8fcfe1

Aliases

arxiv: 1811.11618 · arxiv_version: 1811.11618v2 · doi: 10.48550/arxiv.1811.11618 · pith_short_12: E2FTMFAZ4VVC · pith_short_16: E2FTMFAZ4VVCIJ6I · pith_short_8: E2FTMFAZ

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/E2FTMFAZ4VVCIJ6IUGOBOHLV4M \
  | 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: 268b361419e56a2427c8a19c171d75e31809ab99a22c1a717f38fbf84b8fcfe1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "760eab90d970a67b84c2ca077901a4b2bdc36cadfdf410e03aa78417af170701",
    "cross_cats_sorted": [
      "cs.LG",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-fin.ST",
    "submitted_at": "2018-11-28T15:19:11Z",
    "title_canon_sha256": "7f80c1c1e253e163e732ead40ead38d06289a43c434d8a434258b617e7724ee9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.11618",
    "kind": "arxiv",
    "version": 2
  }
}