Pith Number

pith:5FHJEXCM

pith:2015:5FHJEXCMKW27U35OHS7BX22Z5W

not attested not anchored not stored refs pending

An efficient particle-based online EM algorithm for general state-space models

Jimmy Olsson, Johan Westerborn

arxiv:1502.04822 v2 · 2015-02-17 · 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{5FHJEXCMKW27U35OHS7BX22Z5W}

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	2026-05-18T01:20:03.746036Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e94e925c4c55b5fa6fae3cbe1beb59eda845b06b84a301c97d540360225693e1

Aliases

arxiv: 1502.04822 · arxiv_version: 1502.04822v2 · doi: 10.48550/arxiv.1502.04822 · pith_short_12: 5FHJEXCMKW27 · pith_short_16: 5FHJEXCMKW27U35O · pith_short_8: 5FHJEXCM

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/5FHJEXCMKW27U35OHS7BX22Z5W \
  | 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: e94e925c4c55b5fa6fae3cbe1beb59eda845b06b84a301c97d540360225693e1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5d5a45dd5af54e0779b7cc3c08212e05ba87bd461d73a7c0c6a094a909f95899",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.CO",
    "submitted_at": "2015-02-17T08:14:31Z",
    "title_canon_sha256": "e7ebf4dede012e238536b595a23eabfe4097c18cf2fcf5f728d0f34e75bfeabe"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.04822",
    "kind": "arxiv",
    "version": 2
  }
}