Pith Number

pith:WTY5VUVH

pith:2017:WTY5VUVHSSYZKADPJK32GL66ZM

not attested not anchored not stored refs pending

Performance analysis of local ensemble Kalman filter

Xin T. Tong

arxiv:1705.10598 v2 · 2017-05-25 · math.PR · math.ST · 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{WTY5VUVHSSYZKADPJK32GL66ZM}

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	2026-05-18T00:19:30.356797Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b4f1dad2a794b195006f4ab7a32fdecb144f881478f6b8d3fa5a2e17fe35d7e7

Aliases

arxiv: 1705.10598 · arxiv_version: 1705.10598v2 · doi: 10.48550/arxiv.1705.10598 · pith_short_12: WTY5VUVHSSYZ · pith_short_16: WTY5VUVHSSYZKADP · pith_short_8: WTY5VUVH

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/WTY5VUVHSSYZKADPJK32GL66ZM \
  | 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: b4f1dad2a794b195006f4ab7a32fdecb144f881478f6b8d3fa5a2e17fe35d7e7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d2f3fc72d55dc1e4e79f2f4f6b00fe9467d73475b3451684e0de8e3c1dbf7531",
    "cross_cats_sorted": [
      "math.ST",
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.PR",
    "submitted_at": "2017-05-25T07:09:44Z",
    "title_canon_sha256": "3705210d644839fe0be47a4cdf597fbe1f14ea158e21d5029eeb2bc519fade88"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1705.10598",
    "kind": "arxiv",
    "version": 2
  }
}