Pith Number

pith:U3GK4DC5

pith:2016:U3GK4DC5YG76TK6S6PGG35IFWY

not attested not anchored not stored refs pending

Localizing the Ensemble Kalman Particle Filter

Hans R. K\"unsch, Sylvain Robert

arxiv:1605.05476 v2 · 2016-05-18 · 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{U3GK4DC5YG76TK6S6PGG35IFWY}

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	2026-05-18T00:09:20.618783Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a6ccae0c5dc1bfe9abd2f3cc6df505b6309d2857a233f7aacb5f0832c51788b7

Aliases

arxiv: 1605.05476 · arxiv_version: 1605.05476v2 · doi: 10.48550/arxiv.1605.05476 · pith_short_12: U3GK4DC5YG76 · pith_short_16: U3GK4DC5YG76TK6S · pith_short_8: U3GK4DC5

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/U3GK4DC5YG76TK6S6PGG35IFWY \
  | 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: a6ccae0c5dc1bfe9abd2f3cc6df505b6309d2857a233f7aacb5f0832c51788b7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e4cc989b15a4996ae1590eb9f690fa75b412f3d7e23c416d90ac85309139f163",
    "cross_cats_sorted": [
      "physics.ao-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.AP",
    "submitted_at": "2016-05-18T08:22:16Z",
    "title_canon_sha256": "3f07aa58fea57825aa28b0d142c6d20714269e3a93d1a7731dd52c14ea4b7dc2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1605.05476",
    "kind": "arxiv",
    "version": 2
  }
}