Pith Number

pith:Q35EBXAJ

pith:2017:Q35EBXAJM75NM33DYMYZD4UQ6S

not attested not anchored not stored refs pending

Local Word Vectors Guiding Keyphrase Extraction

Eirini Papagiannopoulou, Grigorios Tsoumakas

arxiv:1710.07503 v4 · 2017-10-20 · 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{Q35EBXAJM75NM33DYMYZD4UQ6S}

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	2026-05-18T00:18:35.928366Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

86fa40dc0967fad66f63c33191f290f4874a06253a68daebb892bb4b278f77b4

Aliases

arxiv: 1710.07503 · arxiv_version: 1710.07503v4 · doi: 10.48550/arxiv.1710.07503 · pith_short_12: Q35EBXAJM75N · pith_short_16: Q35EBXAJM75NM33D · pith_short_8: Q35EBXAJ

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/Q35EBXAJM75NM33DYMYZD4UQ6S \
  | 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: 86fa40dc0967fad66f63c33191f290f4874a06253a68daebb892bb4b278f77b4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dce1f85509c6cfc22c562b32fde7aa01f8d2cdbf78b7d89e34f4a497c7efc863",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2017-10-20T12:22:15Z",
    "title_canon_sha256": "0339c0a6752c1bb7e3c9b31958aa51d70632ed9ee60b412921a9831efd305eae"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1710.07503",
    "kind": "arxiv",
    "version": 4
  }
}