Pith Number

pith:QR5USDXK

pith:2018:QR5USDXKIG4NQHCXKAS7KRBSJ3

not attested not anchored not stored refs pending

Particle-based adaptive-lag online marginal smoothing in general state-space models

Jimmy Olsson, Johan Alenl\"ov

arxiv:1812.10939 v2 · 2018-12-28 · 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{QR5USDXKIG4NQHCXKAS7KRBSJ3}

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	2026-07-05T00:13:40.025647Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

847b490eea41b8d81c575025f544324ee72222dac63e4a94eebead1a70684ef3

Aliases

arxiv: 1812.10939 · arxiv_version: 1812.10939v2 · doi: 10.48550/arxiv.1812.10939 · pith_short_12: QR5USDXKIG4N · pith_short_16: QR5USDXKIG4NQHCX · pith_short_8: QR5USDXK

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/QR5USDXKIG4NQHCXKAS7KRBSJ3 \
  | 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: 847b490eea41b8d81c575025f544324ee72222dac63e4a94eebead1a70684ef3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c34bfd15322b13c889591616d0990fb0e40cc54d5e2945eaceee09d435adcd6f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.CO",
    "submitted_at": "2018-12-28T09:53:29Z",
    "title_canon_sha256": "f8d7c9ce1bc88db0bc479d250cee9f58a78a983c2b75f6602af8525cb851acc7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.10939",
    "kind": "arxiv",
    "version": 2
  }
}