Pith Number

pith:EEN43BBD

pith:2021:EEN43BBD2NDGCNEUK5X24ZFHRB

not attested not anchored not stored refs pending

Keyphrase Extraction Using Neighborhood Knowledge Based on Word Embeddings

Mohammed J. Zaki, Yuchen Liang

arxiv:2111.07198 v1 · 2021-11-13 · cs.CL · cs.IR · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EEN43BBD2NDGCNEUK5X24ZFHRB}

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	2026-07-05T03:31:37.347945Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

211bcd8423d346613494576fae64a7884f06b6ed626ac5b397cd4cf5f192cade

Aliases

arxiv: 2111.07198 · arxiv_version: 2111.07198v1 · doi: 10.48550/arxiv.2111.07198 · pith_short_12: EEN43BBD2NDG · pith_short_16: EEN43BBD2NDGCNEU · pith_short_8: EEN43BBD

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/EEN43BBD2NDGCNEUK5X24ZFHRB \
  | 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: 211bcd8423d346613494576fae64a7884f06b6ed626ac5b397cd4cf5f192cade

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b7dddae28b700d52ad38a31718d3d3296ba2abe9ed8872aa7eb3a1b8f2baaea8",
    "cross_cats_sorted": [
      "cs.IR",
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2021-11-13T21:48:18Z",
    "title_canon_sha256": "c4c0bb4d04ebc261be3552e3993e6d78a9327f3822c2a4d62400586ac2b663c0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2111.07198",
    "kind": "arxiv",
    "version": 1
  }
}