Pith Number

pith:XYSPJAIA

pith:2021:XYSPJAIAXQUN6TF5TECGYAMB5W

not attested not anchored not stored refs pending

A sparse $p_0$ model with covariates for directed networks

Qiuping Wang

arxiv:2106.03285 v1 · 2021-06-07 · math.ST · stat.TH

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XYSPJAIAXQUN6TF5TECGYAMB5W}

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	2026-07-05T02:46:48.228101Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

be24f48100bc28df4cbd99046c0181ed9de04722a335e166c8d51b512742fce5

Aliases

arxiv: 2106.03285 · arxiv_version: 2106.03285v1 · doi: 10.48550/arxiv.2106.03285 · pith_short_12: XYSPJAIAXQUN · pith_short_16: XYSPJAIAXQUN6TF5 · pith_short_8: XYSPJAIA

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/XYSPJAIAXQUN6TF5TECGYAMB5W \
  | 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: be24f48100bc28df4cbd99046c0181ed9de04722a335e166c8d51b512742fce5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "60ced9d5bd81a47ec7ede0dffd8d165c37c1ca7e2d7090000ca3d40fa48fe8be",
    "cross_cats_sorted": [
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.ST",
    "submitted_at": "2021-06-07T00:48:39Z",
    "title_canon_sha256": "821c353ea3c7952b8dd0f94bf19cc8c6eae0908bc91e27d9a3f2f99a6b298380"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2106.03285",
    "kind": "arxiv",
    "version": 1
  }
}