Pith Number

pith:QDXGJ7ZX

pith:2018:QDXGJ7ZX3GYWGP5YQUKO5BNK5V

not attested not anchored not stored refs pending

Parameter Estimation of Heavy-Tailed AR Model with Missing Data via Stochastic EM

Daniel P. Palomar, Junyan Liu, Sandeep Kumar

arxiv:1809.07203 v2 · 2018-09-19 · stat.AP · eess.SP · math.OC · q-fin.ST

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QDXGJ7ZX3GYWGP5YQUKO5BNK5V}

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	2026-05-17T23:50:23.911015Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

80ee64ff37d9b1633fb88514ee85aaed7ae1b442ccc423ae34706c510fc3f036

Aliases

arxiv: 1809.07203 · arxiv_version: 1809.07203v2 · doi: 10.48550/arxiv.1809.07203 · pith_short_12: QDXGJ7ZX3GYW · pith_short_16: QDXGJ7ZX3GYWGP5Y · pith_short_8: QDXGJ7ZX

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/QDXGJ7ZX3GYWGP5YQUKO5BNK5V \
  | 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: 80ee64ff37d9b1633fb88514ee85aaed7ae1b442ccc423ae34706c510fc3f036

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b319fdffd1a2f4c77d49211d78152e57abc08e495ed3edb4cf04e8b723b50831",
    "cross_cats_sorted": [
      "eess.SP",
      "math.OC",
      "q-fin.ST"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "stat.AP",
    "submitted_at": "2018-09-19T14:09:52Z",
    "title_canon_sha256": "c131c8837a4efb3700f879c162f706c166afb797d7b2caceabc97b921e4248d1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.07203",
    "kind": "arxiv",
    "version": 2
  }
}