Pith Number

pith:IWJUMC5G

pith:2016:IWJUMC5G3XJQQISH3YWWZFSLCD

not attested not anchored not stored refs pending

An Adaptation of Topic Modeling to Sentences

Andrew S. Gordon, Reid Swanson, Ruey-Cheng Chen

arxiv:1607.05818 v1 · 2016-07-20 · 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{IWJUMC5G3XJQQISH3YWWZFSLCD}

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	2026-05-18T01:10:45.204723Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4593460ba6ddd3082247de2d6c964b10c983a4508165dd138ce20c8866795331

Aliases

arxiv: 1607.05818 · arxiv_version: 1607.05818v1 · doi: 10.48550/arxiv.1607.05818 · pith_short_12: IWJUMC5G3XJQ · pith_short_16: IWJUMC5G3XJQQISH · pith_short_8: IWJUMC5G

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/IWJUMC5G3XJQQISH3YWWZFSLCD \
  | 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: 4593460ba6ddd3082247de2d6c964b10c983a4508165dd138ce20c8866795331

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1f8a11880d74c1a9fc84b5175849f22ee3906306d04cf99736a55765ae3a1159",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2016-07-20T04:22:50Z",
    "title_canon_sha256": "377706338815432fbbb7e1846cca492ee59f87e4b8493d8a9e70b95d6d107bed"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1607.05818",
    "kind": "arxiv",
    "version": 1
  }
}