Pith Number

pith:OLRVNEKY

pith:2017:OLRVNEKY7H42UPAMVNE764RMXA

not attested not anchored not stored refs pending

Ensemble Kalman methods for high-dimensional hierarchical dynamic space-time models

Christopher K. Wikle, Jonathan R. Stroud, Matthias Katzfuss

arxiv:1704.06988 v2 · 2017-04-23 · stat.ME · 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{OLRVNEKY7H42UPAMVNE764RMXA}

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	2026-05-17T23:50:47.257385Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

72e3569158f9f9aa3c0cab49ff722cb830058e15d2d97a06a21ca619e9916fb1

Aliases

arxiv: 1704.06988 · arxiv_version: 1704.06988v2 · doi: 10.48550/arxiv.1704.06988 · pith_short_12: OLRVNEKY7H42 · pith_short_16: OLRVNEKY7H42UPAM · pith_short_8: OLRVNEKY

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/OLRVNEKY7H42UPAMVNE764RMXA \
  | 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: 72e3569158f9f9aa3c0cab49ff722cb830058e15d2d97a06a21ca619e9916fb1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8b118e60785389f1dd052201759106f2f84d436d5a1c62bf17b835c0faaff664",
    "cross_cats_sorted": [
      "stat.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2017-04-23T21:51:54Z",
    "title_canon_sha256": "5ad34f0cc6e3c4fecd992f83f1c0d278780660ee1d52c18185dd4b56e0be24bf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.06988",
    "kind": "arxiv",
    "version": 2
  }
}