Pith Number

pith:COBXU7BO

pith:2019:COBXU7BOWT7O6ZYYC4PTOUYLSH

not attested not anchored not stored refs pending

Selection of Exponential-Family Random Graph Models via Held-Out Predictive Evaluation (HOPE)

Carter T. Butts, Fan Yin, Nolan Edward Phillips

arxiv:1908.05873 v2 · 2019-08-16 · stat.ME · stat.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{COBXU7BOWT7O6ZYYC4PTOUYLSH}

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	2026-07-04T23:58:12.103768Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

13837a7c2eb4feef6718171f37530b91ed8c6e3a29628e364818c1940cbc37f4

Aliases

arxiv: 1908.05873 · arxiv_version: 1908.05873v2 · doi: 10.48550/arxiv.1908.05873 · pith_short_12: COBXU7BOWT7O · pith_short_16: COBXU7BOWT7O6ZYY · pith_short_8: COBXU7BO

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/COBXU7BOWT7O6ZYYC4PTOUYLSH \
  | 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: 13837a7c2eb4feef6718171f37530b91ed8c6e3a29628e364818c1940cbc37f4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "df40d7bb2b2ac27759ab37b56b71b20880b120ce3c4f9d4f73719ca11306d732",
    "cross_cats_sorted": [
      "stat.AP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2019-08-16T07:40:56Z",
    "title_canon_sha256": "6ecef57e258638b21b16c5e8ef347d5ac860127fa5fadbbc896edfb8d4932920"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.05873",
    "kind": "arxiv",
    "version": 2
  }
}