Pith Number

pith:LNHECW35

pith:2018:LNHECW35L26ECODLAZKINRXMTO

not attested not anchored not stored refs pending

Improving Medical Short Text Classification with Semantic Expansion Using Word-Cluster Embedding

Jin Zhang, Jiyue Huang, Kai Lei, Qiang Zhang, Ying Shen, Yuming Lu

arxiv:1812.01885 v1 · 2018-12-05 · 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{LNHECW35L26ECODLAZKINRXMTO}

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	2026-05-17T23:59:00.335502Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5b4e415b7d5ebc41386b065486c6ec9b954b6a7ae38a98a37dc57907820cc0aa

Aliases

arxiv: 1812.01885 · arxiv_version: 1812.01885v1 · doi: 10.48550/arxiv.1812.01885 · pith_short_12: LNHECW35L26E · pith_short_16: LNHECW35L26ECODL · pith_short_8: LNHECW35

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/LNHECW35L26ECODLAZKINRXMTO \
  | 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: 5b4e415b7d5ebc41386b065486c6ec9b954b6a7ae38a98a37dc57907820cc0aa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b8b4d21a6b7b0e5144fb894b9c9aaaa409b4985f3cbc1e993c993b01c2710d29",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2018-12-05T10:02:59Z",
    "title_canon_sha256": "4e3b0c3997704169ff12fb0f4fcee8cc85acbad2aa0c9e9b45493bcaab3acb86"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.01885",
    "kind": "arxiv",
    "version": 1
  }
}