Pith Number

pith:OOJLQ7RE

pith:2019:OOJLQ7REYFA7SBC5NNBCUUT2RN

not attested not anchored not stored refs pending

A framework for streamlined statistical prediction using topic models

Jonathan Tuke, Lewis Mitchell, Nigel Bean, Vanessa Glenny

arxiv:1904.06941 v1 · 2019-04-15 · stat.AP · 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{OOJLQ7REYFA7SBC5NNBCUUT2RN}

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	2026-05-17T23:48:35.694244Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7392b87e24c141f9045d6b422a527a8b4de26ef89ccdedc0c8dfdb5ee914d00c

Aliases

arxiv: 1904.06941 · arxiv_version: 1904.06941v1 · doi: 10.48550/arxiv.1904.06941 · pith_short_12: OOJLQ7REYFA7 · pith_short_16: OOJLQ7REYFA7SBC5 · pith_short_8: OOJLQ7RE

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/OOJLQ7REYFA7SBC5NNBCUUT2RN \
  | 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: 7392b87e24c141f9045d6b422a527a8b4de26ef89ccdedc0c8dfdb5ee914d00c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b769b4413f0d1a44f6903f9933797a747b26257fe7dc1191ea90d8abc95e0544",
    "cross_cats_sorted": [
      "cs.CL"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.AP",
    "submitted_at": "2019-04-15T10:06:47Z",
    "title_canon_sha256": "1679f9249a6e542edd52cef724b262312ff51315daf064ca64546c677634b9d8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.06941",
    "kind": "arxiv",
    "version": 1
  }
}