Pith Number

pith:7VXRUSAU

pith:2025:7VXRUSAUZ343JWI5UIGN2R6Y27

not attested not anchored not stored refs pending

DKFNet: Differentiable Kalman Filter for Field Inversion and Machine Learning

Sicheng He, Yuan Wu

arxiv:2509.07474 v1 · 2025-09-09 · 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{7VXRUSAUZ343JWI5UIGN2R6Y27}

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

1 paper in Pith

Differentiable Filtering for Learning Hidden Markov Models

Receipt and verification

First computed	2026-07-05T12:07:22.041726Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fd6f1a4814cef9b4d91da20cdd47d8d7ca6e254a40fa0d12b2d6a0b9273619c9

Aliases

arxiv: 2509.07474 · arxiv_version: 2509.07474v1 · doi: 10.48550/arxiv.2509.07474 · pith_short_12: 7VXRUSAUZ343 · pith_short_16: 7VXRUSAUZ343JWI5 · pith_short_8: 7VXRUSAU

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/7VXRUSAUZ343JWI5UIGN2R6Y27 \
  | 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: fd6f1a4814cef9b4d91da20cdd47d8d7ca6e254a40fa0d12b2d6a0b9273619c9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "72ff10437101e28aa89e5aa730311f77072c2c6086b8b5730e66662d0179f8d3",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2025-09-09T07:52:28Z",
    "title_canon_sha256": "98144835d82fdb25707ce8521dd8885b4c1d03e8c659f05761ca3ec3ec993146"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2509.07474",
    "kind": "arxiv",
    "version": 1
  }
}