Pith Number

pith:Y4SU4KHB

pith:2018:Y4SU4KHBIP7YP4XFJDUTLTVQ3T

not attested not anchored not stored refs pending

Convex Formulation for Regularized Estimation of Structural Equation Models

Anupon Pruttiakaravanich, Jitkomut Songsiri

arxiv:1809.06156 v2 · 2018-09-17 · math.OC · q-bio.QM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Y4SU4KHBIP7YP4XFJDUTLTVQ3T}

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	2026-05-17T23:47:12.510011Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c7254e28e143ff87f2e548e935ceb0dcec8c13cda7731798918ef608f54780f0

Aliases

arxiv: 1809.06156 · arxiv_version: 1809.06156v2 · doi: 10.48550/arxiv.1809.06156 · pith_short_12: Y4SU4KHBIP7Y · pith_short_16: Y4SU4KHBIP7YP4XF · pith_short_8: Y4SU4KHB

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/Y4SU4KHBIP7YP4XFJDUTLTVQ3T \
  | 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: c7254e28e143ff87f2e548e935ceb0dcec8c13cda7731798918ef608f54780f0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "025063d3b34f8f32b53007f6562f2003817d2b1d435cf971d211b2079ef0aa00",
    "cross_cats_sorted": [
      "q-bio.QM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2018-09-17T12:26:51Z",
    "title_canon_sha256": "931d7b29bc2fdada1c2bfe51a66924dee68c7a76f9410ed113361605985214ee"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.06156",
    "kind": "arxiv",
    "version": 2
  }
}