Pith Number

pith:ZKAPBRIY

pith:2012:ZKAPBRIYFRIOLUQNRSLYLOGQKV

not attested not anchored not stored refs pending

A higher order correlation unscented Kalman filter

Oliver Grothe

arxiv:1207.4300 v1 · 2012-07-18 · stat.ME · q-fin.CP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZKAPBRIYFRIOLUQNRSLYLOGQKV}

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	2026-05-18T03:50:47.088987Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ca80f0c5182c50e5d20d8c9785b8d055434f02c414bf3f838c512ffb25f99094

Aliases

arxiv: 1207.4300 · arxiv_version: 1207.4300v1 · doi: 10.48550/arxiv.1207.4300 · pith_short_12: ZKAPBRIYFRIO · pith_short_16: ZKAPBRIYFRIOLUQN · pith_short_8: ZKAPBRIY

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/ZKAPBRIYFRIOLUQNRSLYLOGQKV \
  | 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: ca80f0c5182c50e5d20d8c9785b8d055434f02c414bf3f838c512ffb25f99094

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8d0029124369f3845dab69f9512a991d182b6e4be4fd0fbdeb0115f724d0385f",
    "cross_cats_sorted": [
      "q-fin.CP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2012-07-18T08:39:58Z",
    "title_canon_sha256": "af8cb54f55abbcde851d92e47e3f3993dd73c44f57b43cf0f693a149c87e78d7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.4300",
    "kind": "arxiv",
    "version": 1
  }
}