Pith Number

pith:2POEDMZB

pith:2026:2POEDMZBXSQKHLOZOGDUNTPGVR

not attested not anchored not stored refs pending

Robust ensemble Kalman filtering under observation noise misspecification via diffusion score matching

Hans Reimann, Sebastian Reich

arxiv:2605.26881 v1 · 2026-05-26 · math.ST · math.DS · stat.ME · 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{2POEDMZBXSQKHLOZOGDUNTPGVR}

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	2026-05-27T01:06:17.913303Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d3dc41b321bca0a3add9718746cde6ac603ebc9e08926f00add1f94400a37688

Aliases

arxiv: 2605.26881 · arxiv_version: 2605.26881v1 · doi: 10.48550/arxiv.2605.26881 · pith_short_12: 2POEDMZBXSQK · pith_short_16: 2POEDMZBXSQKHLOZ · pith_short_8: 2POEDMZB

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/2POEDMZBXSQKHLOZOGDUNTPGVR \
  | 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: d3dc41b321bca0a3add9718746cde6ac603ebc9e08926f00add1f94400a37688

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "41c178d22858742ee7b85d7f9f49ad511a6427b51652b81c99908a603af05bab",
    "cross_cats_sorted": [
      "math.DS",
      "stat.ME",
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.ST",
    "submitted_at": "2026-05-26T11:42:55Z",
    "title_canon_sha256": "c1bb0f6be964113bc9f12946aca891afc8a6fb0639ff1a865a31502c7fe62f2f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.26881",
    "kind": "arxiv",
    "version": 1
  }
}