Pith Number

pith:NJPRKZGD

pith:2019:NJPRKZGDU2VUIIVE2ZTPTLUHYQ

not attested not anchored not stored refs pending

A New Smoothing Technique based on the Parallel Concatenation of Forward/Backward Bayesian Filters: Turbo Smoothing

Emilio Sirignano, Giorgio M. Vitetta, Pasquale Di Viesti

arxiv:1902.05717 v1 · 2019-02-15 · 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{NJPRKZGDU2VUIIVE2ZTPTLUHYQ}

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	2026-05-17T23:53:56.370434Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6a5f1564c3a6ab4422a4d666f9ae87c437e1c409abaa28327c4ec7943e8650d9

Aliases

arxiv: 1902.05717 · arxiv_version: 1902.05717v1 · doi: 10.48550/arxiv.1902.05717 · pith_short_12: NJPRKZGDU2VU · pith_short_16: NJPRKZGDU2VUIIVE · pith_short_8: NJPRKZGD

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/NJPRKZGDU2VUIIVE2ZTPTLUHYQ \
  | 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: 6a5f1564c3a6ab4422a4d666f9ae87c437e1c409abaa28327c4ec7943e8650d9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fe8f749102ee5cf924ed5066b1fa3fecd49590eea64b7107d562abae74e33faa",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.CO",
    "submitted_at": "2019-02-15T08:21:22Z",
    "title_canon_sha256": "eda378a78d4c81181afe23b8a9bbcb1a189340819f8c4b6f394479bd1bb9fac1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.05717",
    "kind": "arxiv",
    "version": 1
  }
}