Pith Number

pith:UBLREGA4

pith:2015:UBLREGA4ZCEWMIIOHGAYMDA34T

not attested not anchored not stored refs pending

A Two-Stage Penalized Least Squares Method for Constructing Large Systems of Structural Equations

Chen Chen, Dabao Zhang, Min Ren, Min Zhang

arxiv:1511.00370 v3 · 2015-11-02 · 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{UBLREGA4ZCEWMIIOHGAYMDA34T}

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	2026-05-18T00:09:39.602072Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a05712181cc88966210e3981860c1be4dd3aded52c0ce2597d69b655e4a4891c

Aliases

arxiv: 1511.00370 · arxiv_version: 1511.00370v3 · doi: 10.48550/arxiv.1511.00370 · pith_short_12: UBLREGA4ZCEW · pith_short_16: UBLREGA4ZCEWMIIO · pith_short_8: UBLREGA4

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/UBLREGA4ZCEWMIIOHGAYMDA34T \
  | 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: a05712181cc88966210e3981860c1be4dd3aded52c0ce2597d69b655e4a4891c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dcace0bf1a1b2b3466157adf8d0b9c9b6a6493c6c53544000637fa397ad6e896",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2015-11-02T03:45:39Z",
    "title_canon_sha256": "2a9dee285d0a9d16b345faec329f19a68dd08e1c6468f2d5a49e26e850cd5eed"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1511.00370",
    "kind": "arxiv",
    "version": 3
  }
}