Pith Number

pith:HIYK3XBV

pith:2015:HIYK3XBVMV554Y4MZM5ES3B726

not attested not anchored not stored refs pending

A Historical Analysis of the Field of OR/MS using Topic Models

Christopher J. Gatti, James D. Brooks, Sarah G. Nurre

arxiv:1510.05154 v1 · 2015-10-17 · stat.ML · cs.DL · 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{HIYK3XBVMV554Y4MZM5ES3B726}

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	2026-05-18T01:29:53.002618Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3a30addc35657bde638ccb3a496c3fd7b3a33589063b6f9a98c7366addcd0ae2

Aliases

arxiv: 1510.05154 · arxiv_version: 1510.05154v1 · doi: 10.48550/arxiv.1510.05154 · pith_short_12: HIYK3XBVMV55 · pith_short_16: HIYK3XBVMV554Y4M · pith_short_8: HIYK3XBV

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/HIYK3XBVMV554Y4MZM5ES3B726 \
  | 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: 3a30addc35657bde638ccb3a496c3fd7b3a33589063b6f9a98c7366addcd0ae2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7eb8d94390d25a1d66fa13548fba3a04d2bba4cc3182d25f027a34719b3d4386",
    "cross_cats_sorted": [
      "cs.DL",
      "stat.AP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2015-10-17T18:52:24Z",
    "title_canon_sha256": "59dd8fcfc554dfd7845049cc2688c7290af4906cc4087e1b44467ad8b9f56835"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1510.05154",
    "kind": "arxiv",
    "version": 1
  }
}