Pith Number

pith:5SICW4MT

pith:2020:5SICW4MTVVCMAGXWU7XIP4FEEB

not attested not anchored not stored refs pending

Keyword Assisted Topic Models

Kosuke Imai, Shusei Eshima, Tomoya Sasaki

arxiv:2004.05964 v3 · 2020-04-13 · cs.CL · stat.AP · stat.ME

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5SICW4MTVVCMAGXWU7XIP4FEEB}

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	2026-07-05T05:38:25.516801Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ec902b7193ad44c01af6a7ee87f0a4204edb215fca7d3fdbca7df657b7279c8f

Aliases

arxiv: 2004.05964 · arxiv_version: 2004.05964v3 · doi: 10.48550/arxiv.2004.05964 · pith_short_12: 5SICW4MTVVCM · pith_short_16: 5SICW4MTVVCMAGXW · pith_short_8: 5SICW4MT

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/5SICW4MTVVCMAGXWU7XIP4FEEB \
  | 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: ec902b7193ad44c01af6a7ee87f0a4204edb215fca7d3fdbca7df657b7279c8f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "95804fb32ef871ee7f3dac93e2bf2ab542d981ca7113cdf32bc27c8732a35aec",
    "cross_cats_sorted": [
      "stat.AP",
      "stat.ME"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2020-04-13T14:35:28Z",
    "title_canon_sha256": "734aa3fe0c103e62fc49b0810eaabfffbd8c4a42758ff51cd89b53240dcf9d69"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2004.05964",
    "kind": "arxiv",
    "version": 3
  }
}