Pith Number

pith:NTVMMRVN

pith:2018:NTVMMRVNNY7FYF6BAA35UDBCNV

not attested not anchored not stored refs pending

Unveiling the semantic structure of text documents using paragraph-aware Topic Models

Jer\'onimo Arenas-Garc\'ia, Sim\'on Roca-Sotelo

arxiv:1806.09827 v1 · 2018-06-26 · cs.CL · cs.IR · cs.LG · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NTVMMRVNNY7FYF6BAA35UDBCNV}

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	2026-05-18T00:12:23.215568Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6ceac646ad6e3e5c17c10037da0c226d5442d9c86d24997eea37f7865e6331f9

Aliases

arxiv: 1806.09827 · arxiv_version: 1806.09827v1 · doi: 10.48550/arxiv.1806.09827 · pith_short_12: NTVMMRVNNY7F · pith_short_16: NTVMMRVNNY7FYF6B · pith_short_8: NTVMMRVN

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/NTVMMRVNNY7FYF6BAA35UDBCNV \
  | 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: 6ceac646ad6e3e5c17c10037da0c226d5442d9c86d24997eea37f7865e6331f9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d4da676be7620c7b200b2ad4e7645082c49407134395aa13b56ffb36da9da573",
    "cross_cats_sorted": [
      "cs.IR",
      "cs.LG",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2018-06-26T07:50:37Z",
    "title_canon_sha256": "2b6c25c1713a05c7354b2691a1739616344573bb82dd1f0c044cd570fce9bc5b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.09827",
    "kind": "arxiv",
    "version": 1
  }
}