Pith Number

pith:VWCU57U4

pith:2014:VWCU57U4HNPHFX2YVYBZD4CNPJ

not attested not anchored not stored refs pending

Penalized Estimation of Directed Acyclic Graphs From Discrete Data

Fei Fu, Jiaying Gu, Qing Zhou

arxiv:1403.2310 v4 · 2014-03-10 · stat.ME · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VWCU57U4HNPHFX2YVYBZD4CNPJ}

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	2026-05-18T00:24:32.163902Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ad854efe9c3b5e72df58ae0391f04d7a68181e5cfba6bfcb2e4e340b72434f74

Aliases

arxiv: 1403.2310 · arxiv_version: 1403.2310v4 · doi: 10.48550/arxiv.1403.2310 · pith_short_12: VWCU57U4HNPH · pith_short_16: VWCU57U4HNPHFX2Y · pith_short_8: VWCU57U4

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/VWCU57U4HNPHFX2YVYBZD4CNPJ \
  | 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: ad854efe9c3b5e72df58ae0391f04d7a68181e5cfba6bfcb2e4e340b72434f74

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5cb7a4a2fa282ab469fab6877abfe41ad127143f78e7e300de9cc100c689560e",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2014-03-10T17:26:40Z",
    "title_canon_sha256": "7632c1720945ccfb026a384f5199f3da0b0d7f60ea4a8fcf45847c5ab3fa43c3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1403.2310",
    "kind": "arxiv",
    "version": 4
  }
}