Pith Number

pith:BPLAZO7J

pith:2022:BPLAZO7JO26WEPHMJTGU2JLSUZ

not attested not anchored not stored refs pending

Estimation and Inference for High Dimensional Factor Model with Regime Switching

Fa Wang, Giovanni Urga

arxiv:2205.12126 v2 · 2022-05-24 · econ.EM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BPLAZO7JO26WEPHMJTGU2JLSUZ}

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	2026-07-05T05:59:20.421574Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0bd60cbbe976bd623cec4ccd4d2572a650b49e36e0ddbc295265c0111cb6d560

Aliases

arxiv: 2205.12126 · arxiv_version: 2205.12126v2 · doi: 10.48550/arxiv.2205.12126 · pith_short_12: BPLAZO7JO26W · pith_short_16: BPLAZO7JO26WEPHM · pith_short_8: BPLAZO7J

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/BPLAZO7JO26WEPHMJTGU2JLSUZ \
  | 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: 0bd60cbbe976bd623cec4ccd4d2572a650b49e36e0ddbc295265c0111cb6d560

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f5c6ef81ec49ed49f69f796971a394ba7b283f2c887dae5eb2269c806cab0914",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/publicdomain/zero/1.0/",
    "primary_cat": "econ.EM",
    "submitted_at": "2022-05-24T14:57:58Z",
    "title_canon_sha256": "fa9455253e6c18074bc2561df2c0fea8bbdef24751b9c141970a802abc7779e6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2205.12126",
    "kind": "arxiv",
    "version": 2
  }
}