Pith Number

pith:SOAZCI25

pith:2018:SOAZCI254WIEBSIFLHI7VTXLCD

not attested not anchored not stored refs pending

Computer-Assisted Text Analysis for Social Science: Topic Models and Beyond

Ryan Wesslen

arxiv:1803.11045 v2 · 2018-03-29 · cs.CL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SOAZCI254WIEBSIFLHI7VTXLCD}

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	2026-05-18T00:19:32.594538Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

938191235de59040c90559d1faceeb10f90f050f25abb2dc0c170bc6d9e81533

Aliases

arxiv: 1803.11045 · arxiv_version: 1803.11045v2 · doi: 10.48550/arxiv.1803.11045 · pith_short_12: SOAZCI254WIE · pith_short_16: SOAZCI254WIEBSIF · pith_short_8: SOAZCI25

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/SOAZCI254WIEBSIFLHI7VTXLCD \
  | 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: 938191235de59040c90559d1faceeb10f90f050f25abb2dc0c170bc6d9e81533

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ef3c509c052f55f17ad09010bce2bd03f6e0d2bbead20f24ebedc0577d5d52df",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2018-03-29T13:11:32Z",
    "title_canon_sha256": "8f141628d2480356ee147348a58a7093d1ad4af87dd77cc6edad6c4257899323"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.11045",
    "kind": "arxiv",
    "version": 2
  }
}