Pith Number

pith:KFLUQDKY

pith:2025:KFLUQDKYJMABXPQY2CBEJFB5ME

not attested not anchored not stored refs pending

IEnSF: Iterative Ensemble Score Filter for Reducing Error in Posterior Score Estimation in Nonlinear Data Assimilation

Feng Bao, Guannan Zhang, Zezhong Zhang

arxiv:2510.20159 v2 · 2025-10-23 · math.NA · cs.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KFLUQDKYJMABXPQY2CBEJFB5ME}

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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

A Two-Step Ensemble Score Filter for Data Assimilation in Partially Observed Systems

Receipt and verification

First computed	2026-07-14T01:20:47.365744Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5157480d584b001bbe18d08244943d6109e542946036d1a9d4adb433f6bff9bd

Aliases

arxiv: 2510.20159 · arxiv_version: 2510.20159v2 · doi: 10.48550/arxiv.2510.20159 · pith_short_12: KFLUQDKYJMAB · pith_short_16: KFLUQDKYJMABXPQY · pith_short_8: KFLUQDKY

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/KFLUQDKYJMABXPQY2CBEJFB5ME \
  | 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: 5157480d584b001bbe18d08244943d6109e542946036d1a9d4adb433f6bff9bd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c7cd1aba04d60694cc20c326b8a81f7fbfeb1a65eb437b302749532aa8ddcff8",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2025-10-23T03:17:46Z",
    "title_canon_sha256": "5a9693a785a429a87394f2a8a67b1ef392350921df8472da28c9223abacad54b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2510.20159",
    "kind": "arxiv",
    "version": 2
  }
}