Pith Number

pith:JF4GQT4Q

pith:2019:JF4GQT4QH2DH6OAVI5CJNUIVVS

not attested not anchored not stored refs pending

Concept Discovery through Information Extraction in Restaurant Domain

Charith Chitraranjan, Nadeesha Pathirana, Rangika Samarawickrama, Sandaru Seneviratne, Shane Wolff, Tharindu Ranasinghe, Uthayasanker Thayasivam

arxiv:1906.05039 v1 · 2019-06-12 · 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{JF4GQT4QH2DH6OAVI5CJNUIVVS}

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	2026-05-17T23:43:29.663547Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4978684f903e867f3815474496d115ac8d041fb0df7e4a2420a968fc730df67c

Aliases

arxiv: 1906.05039 · arxiv_version: 1906.05039v1 · doi: 10.48550/arxiv.1906.05039 · pith_short_12: JF4GQT4QH2DH · pith_short_16: JF4GQT4QH2DH6OAV · pith_short_8: JF4GQT4Q

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/JF4GQT4QH2DH6OAVI5CJNUIVVS \
  | 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: 4978684f903e867f3815474496d115ac8d041fb0df7e4a2420a968fc730df67c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "89631d93ffff24d7cdc3033bc28561e9ff1437441388dcd083c907909ed800be",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2019-06-12T09:55:20Z",
    "title_canon_sha256": "27b48a47a8260121f0302d5de3afa8e3430961f3e0d0ff65a2765ef5a3c59247"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.05039",
    "kind": "arxiv",
    "version": 1
  }
}