Pith Number

pith:ZPPMOARH

pith:2013:ZPPMOARHPF3RUGE3T2ECFEEGE3

not attested not anchored not stored refs pending

Probabilistic Topic and Syntax Modeling with Part-of-Speech LDA

Fei Song, William M. Darling

arxiv:1303.2826 v1 · 2013-03-12 · 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{ZPPMOARHPF3RUGE3T2ECFEEGE3}

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	2026-05-18T03:31:07.913205Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cbdec7022779771a189b9e8822908626c9ff0d924f59868a898c99de5741a5f3

Aliases

arxiv: 1303.2826 · arxiv_version: 1303.2826v1 · doi: 10.48550/arxiv.1303.2826 · pith_short_12: ZPPMOARHPF3R · pith_short_16: ZPPMOARHPF3RUGE3 · pith_short_8: ZPPMOARH

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/ZPPMOARHPF3RUGE3T2ECFEEGE3 \
  | 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: cbdec7022779771a189b9e8822908626c9ff0d924f59868a898c99de5741a5f3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fcf2b0c298d2ca98ea588f2ff73ee763c8efbaf10df77b08c394a526de455045",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2013-03-12T10:20:50Z",
    "title_canon_sha256": "da4ee8e1e86a09206151f57a39ac39d47fac83d50f3380ea50b7f5a1a92e689a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1303.2826",
    "kind": "arxiv",
    "version": 1
  }
}