Pith Number

pith:HDSU32NW

pith:2018:HDSU32NWIC43XROPY2DCQ573TS

not attested not anchored not stored refs pending

Factor models with many assets: strong factors, weak factors, and the two-pass procedure

Anna Mikusheva, Stanislav Anatolyev

arxiv:1807.04094 v2 · 2018-07-11 · 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{HDSU32NWIC43XROPY2DCQ573TS}

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	2026-05-17T23:49:11.554971Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

38e54de9b640b9bbc5cfc6862877fb9c930d40e809c79e58fb323beadfb9f116

Aliases

arxiv: 1807.04094 · arxiv_version: 1807.04094v2 · doi: 10.48550/arxiv.1807.04094 · pith_short_12: HDSU32NWIC43 · pith_short_16: HDSU32NWIC43XROP · pith_short_8: HDSU32NW

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/HDSU32NWIC43XROPY2DCQ573TS \
  | 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: 38e54de9b640b9bbc5cfc6862877fb9c930d40e809c79e58fb323beadfb9f116

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e6477f7962ac47c8d77d18072a68a54740f30a29e1735d80eb04fbad29d82587",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "econ.EM",
    "submitted_at": "2018-07-11T11:53:19Z",
    "title_canon_sha256": "cf4f529c2e8dd0d273a6135a4677ae680ecec120a84f5427d3428a5dd998db93"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.04094",
    "kind": "arxiv",
    "version": 2
  }
}