Pith Number

pith:XX3DXP4R

pith:2018:XX3DXP4R5Z2XGMYRZATCZIHDGE

not attested not anchored not stored refs pending

Automatic Catchphrase Extraction from Legal Case Documents via Scoring using Deep Neural Networks

Ken Satoh, Minh Le Nguyen, Vu Tran

arxiv:1809.05219 v1 · 2018-09-14 · 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{XX3DXP4R5Z2XGMYRZATCZIHDGE}

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	2026-05-18T00:05:44.369156Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bdf63bbf91ee75733311c8262ca0e3313a04aba158bb15ab8b5c1b797e01a4f2

Aliases

arxiv: 1809.05219 · arxiv_version: 1809.05219v1 · doi: 10.48550/arxiv.1809.05219 · pith_short_12: XX3DXP4R5Z2X · pith_short_16: XX3DXP4R5Z2XGMYR · pith_short_8: XX3DXP4R

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/XX3DXP4R5Z2XGMYRZATCZIHDGE \
  | 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: bdf63bbf91ee75733311c8262ca0e3313a04aba158bb15ab8b5c1b797e01a4f2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e24f11e23127f6ac4071cdece7be15acc45b4104f48defdc73b197e75d5ba2f8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2018-09-14T01:48:46Z",
    "title_canon_sha256": "9f4302fb43b75e7b602d208af060210383ee18a638353dd4058d05254898768e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.05219",
    "kind": "arxiv",
    "version": 1
  }
}