Pith Number

pith:L5UFZSVC

pith:2020:L5UFZSVCZJIHDQYUOOATXRMQHK

not attested not anchored not stored refs pending

Iterative Ensemble Kalman Methods: A Unified Perspective with Some New Variants

Daniel Sanz-Alonso, Neil K. Chada, Yuming Chen

arxiv:2010.13299 v1 · 2020-10-26 · math.NA · cs.NA · 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{L5UFZSVCZJIHDQYUOOATXRMQHK}

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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

1 paper in Pith

Likelihood-informed dimension reduction across tempered Bayesian posteriors

Receipt and verification

First computed	2026-07-05T01:46:04.641135Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5f685ccaa2ca5071c31473813bc5903aadc5ab5d60d36493e9709f32f829f339

Aliases

arxiv: 2010.13299 · arxiv_version: 2010.13299v1 · doi: 10.48550/arxiv.2010.13299 · pith_short_12: L5UFZSVCZJIH · pith_short_16: L5UFZSVCZJIHDQYU · pith_short_8: L5UFZSVC

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/L5UFZSVCZJIHDQYUOOATXRMQHK \
  | 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: 5f685ccaa2ca5071c31473813bc5903aadc5ab5d60d36493e9709f32f829f339

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7f1003f7530a4f2b6a1540f0424579499c9095881d85a3941f6ddb2a958f354d",
    "cross_cats_sorted": [
      "cs.NA",
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2020-10-26T03:01:42Z",
    "title_canon_sha256": "2c5f100223c882eab4379c0777e96176f85e4e3459824d5dac01b4ceb056cae4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2010.13299",
    "kind": "arxiv",
    "version": 1
  }
}