Pith Number

pith:HQW73DOI

pith:2019:HQW73DOIN3KGR2OVXI5WWKNW3T

not attested not anchored not stored refs pending

Analyzing Commodity Futures Using Factor State-Space Models with Wishart Stochastic Volatility

Atle Oglend, Guilherme Valle Moura, Roman Liesenfeld, Tore Selland Kleppe

arxiv:1908.07798 v1 · 2019-08-21 · stat.CO · econ.EM · stat.ME

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HQW73DOIN3KGR2OVXI5WWKNW3T}

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	2026-07-04T23:59:01.246381Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3c2dfd8dc86ed468e9d5ba3b6b29b6dcdc8a2346095e638783d9f56cfb3fa520

Aliases

arxiv: 1908.07798 · arxiv_version: 1908.07798v1 · doi: 10.48550/arxiv.1908.07798 · pith_short_12: HQW73DOIN3KG · pith_short_16: HQW73DOIN3KGR2OV · pith_short_8: HQW73DOI

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/HQW73DOIN3KGR2OVXI5WWKNW3T \
  | 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: 3c2dfd8dc86ed468e9d5ba3b6b29b6dcdc8a2346095e638783d9f56cfb3fa520

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7e6fc099bfac7ec90f7258a808bd25bf728f6442e6015fbf713a01dd46b9c2ce",
    "cross_cats_sorted": [
      "econ.EM",
      "stat.ME"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.CO",
    "submitted_at": "2019-08-21T11:15:28Z",
    "title_canon_sha256": "e54d691a6f1cb68a0ac0337a57dbd70a2440568a82c4c929abcc5ab431c0681a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.07798",
    "kind": "arxiv",
    "version": 1
  }
}