Pith Number

pith:2725NYGC

pith:2023:2725NYGCQ64GKCZAE6GMNQESP6

not attested not anchored not stored refs pending

Nonlinear Kalman Filtering with Reparametrization Gradients

Aaron Flores, Brendan Kitts, John Paisley, San Gultekin

arxiv:2303.04450 v1 · 2023-03-08 · cs.LG · eess.SP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2725NYGCQ64GKCZAE6GMNQESP6}

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.

Cited by

2 papers in Pith

What Type of Inference is Active Inference?

Expected Free Energy-based Planning as Variational Inference

Receipt and verification

First computed	2026-07-05T05:49:21.653431Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d7f5d6e0c287b8650b20278cc6c0927fb64c5daa2952cbd1b0a5798609c5a414

Aliases

arxiv: 2303.04450 · arxiv_version: 2303.04450v1 · doi: 10.48550/arxiv.2303.04450 · pith_short_12: 2725NYGCQ64G · pith_short_16: 2725NYGCQ64GKCZA · pith_short_8: 2725NYGC

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/2725NYGCQ64GKCZAE6GMNQESP6 \
  | 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: d7f5d6e0c287b8650b20278cc6c0927fb64c5daa2952cbd1b0a5798609c5a414

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f180d2455678f9446d6e8fe2021058e29a355c9ebf21b9740853c5c476c093a0",
    "cross_cats_sorted": [
      "eess.SP"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2023-03-08T09:00:29Z",
    "title_canon_sha256": "400a05d19ceaa1bd52a73abf1ce39dff9b6ac81e8ad1598f88c3b7d7f209dc8c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2303.04450",
    "kind": "arxiv",
    "version": 1
  }
}