Pith Number

pith:G5A3VDGZ

pith:2023:G5A3VDGZJWLF6XJYT3KKQLKOSY

not attested not anchored not stored refs pending

Analysis of a Computational Framework for Bayesian Inverse Problems: Ensemble Kalman Updates and MAP Estimators Under Mesh Refinement

Daniel Sanz-Alonso, Nathan Waniorek

arxiv:2304.09933 v2 · 2023-04-19 · math.NA · cs.NA · stat.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{G5A3VDGZJWLF6XJYT3KKQLKOSY}

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	2026-07-05T07:47:24.938288Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3741ba8cd94d965f5d389ed4a82d4e96356e41378a4b8f3ca0237ea552378a32

Aliases

arxiv: 2304.09933 · arxiv_version: 2304.09933v2 · doi: 10.48550/arxiv.2304.09933 · pith_short_12: G5A3VDGZJWLF · pith_short_16: G5A3VDGZJWLF6XJY · pith_short_8: G5A3VDGZ

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/G5A3VDGZJWLF6XJYT3KKQLKOSY \
  | 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: 3741ba8cd94d965f5d389ed4a82d4e96356e41378a4b8f3ca0237ea552378a32

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6e1dee74715d83c2d809c2ce6a6852941117c6ac55b287f642543c0c0698ef32",
    "cross_cats_sorted": [
      "cs.NA",
      "stat.CO"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2023-04-19T19:22:56Z",
    "title_canon_sha256": "f3f7d82bac351033497817cac13e0aafc9d7c9b61045e6f7ac5f7e9c2dd14d42"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2304.09933",
    "kind": "arxiv",
    "version": 2
  }
}