Pith Number

pith:CECRMX7D

pith:2017:CECRMX7DMEQUCSBDZ7PDQJL7J2

not attested not anchored not stored refs pending

A local ensemble transform Kalman particle filter for convective scale data assimilation

Daniel Leuenberger, Hans R. K\"unsch, Sylvain Robert

arxiv:1705.02786 v2 · 2017-05-08 · stat.AP · physics.ao-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CECRMX7DMEQUCSBDZ7PDQJL7J2}

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	2026-05-18T00:03:19.733472Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1105165fe36121414823cfde38257f4eaaa404ed049fd06eb37131beda6028d1

Aliases

arxiv: 1705.02786 · arxiv_version: 1705.02786v2 · doi: 10.48550/arxiv.1705.02786 · pith_short_12: CECRMX7DMEQU · pith_short_16: CECRMX7DMEQUCSBD · pith_short_8: CECRMX7D

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/CECRMX7DMEQUCSBDZ7PDQJL7J2 \
  | 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: 1105165fe36121414823cfde38257f4eaaa404ed049fd06eb37131beda6028d1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3eec6dfd4bd50de201cdbc2addd4fa02c11081f6a6339c404bc9c4b83bb875f7",
    "cross_cats_sorted": [
      "physics.ao-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.AP",
    "submitted_at": "2017-05-08T09:06:30Z",
    "title_canon_sha256": "36c02125203ae1fc6b82b29a200d1beb76bc0446e45a30db16d2db9a88a23dcd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1705.02786",
    "kind": "arxiv",
    "version": 2
  }
}