Pith Number

pith:EHY3TBQQ

pith:2012:EHY3TBQQTYAVBMGUEGBTGQ5E4Q

not attested not anchored not stored refs pending

Robust Kalman tracking and smoothing with propagating and non-propagating outliers

Bernhard Spangl, Daria Pupashenko, Peter Ruckdeschel

arxiv:1204.3358 v2 · 2012-04-16 · math.ST · stat.AP · 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{EHY3TBQQTYAVBMGUEGBTGQ5E4Q}

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	2026-05-18T03:01:11.311697Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

21f1b986109e0150b0d421833343a4e402141172b143159a2f8f3ea87f6392c9

Aliases

arxiv: 1204.3358 · arxiv_version: 1204.3358v2 · doi: 10.48550/arxiv.1204.3358 · pith_short_12: EHY3TBQQTYAV · pith_short_16: EHY3TBQQTYAVBMGU · pith_short_8: EHY3TBQQ

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/EHY3TBQQTYAVBMGUEGBTGQ5E4Q \
  | 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: 21f1b986109e0150b0d421833343a4e402141172b143159a2f8f3ea87f6392c9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "96d04a667de25dd25a762304a242a37f50d65e9cca04f8fc00df80e60efeaed6",
    "cross_cats_sorted": [
      "stat.AP",
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.ST",
    "submitted_at": "2012-04-16T04:27:21Z",
    "title_canon_sha256": "fb47d6d842a850cda770bc513f4f3196183ffb9905d0d11450c211e0cc683956"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1204.3358",
    "kind": "arxiv",
    "version": 2
  }
}