Pith Number

pith:JBY4JZVG

pith:2022:JBY4JZVGZTBNM5FAKY5JEKRMBQ

not attested not anchored not stored refs pending

Non-Asymptotic Analysis of Ensemble Kalman Updates: Effective Dimension and Localization

Daniel Sanz-Alonso, Omar Al Ghattas

arxiv:2208.03246 v3 · 2022-08-05 · stat.ML · cs.NA · math.NA · math.ST · 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{JBY4JZVGZTBNM5FAKY5JEKRMBQ}

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	2026-07-05T07:30:00.639966Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4871c4e6a6ccc2d674a0563a922a2c0c1bfcd02e443fa7925af69ff14e2bb695

Aliases

arxiv: 2208.03246 · arxiv_version: 2208.03246v3 · doi: 10.48550/arxiv.2208.03246 · pith_short_12: JBY4JZVGZTBN · pith_short_16: JBY4JZVGZTBNM5FA · pith_short_8: JBY4JZVG

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/JBY4JZVGZTBNM5FAKY5JEKRMBQ \
  | 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: 4871c4e6a6ccc2d674a0563a922a2c0c1bfcd02e443fa7925af69ff14e2bb695

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "edcdac4e1dd97ac655e6ef6490faaefcfc31ab72589203eed7ce6b691c14b7ff",
    "cross_cats_sorted": [
      "cs.NA",
      "math.NA",
      "math.ST",
      "stat.ME",
      "stat.TH"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2022-08-05T15:58:59Z",
    "title_canon_sha256": "a2a6fe2bee80635da3d8d502eebc8b998667c5ae5315a755460a6e1114272159"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2208.03246",
    "kind": "arxiv",
    "version": 3
  }
}