Pith Number

pith:6GQRXVQS

pith:2018:6GQRXVQS7LNAIDAUDDGOMVKD2N

not attested not anchored not stored refs pending

Unsupervised Keyphrase Extraction with Multipartite Graphs

Florian Boudin

arxiv:1803.08721 v2 · 2018-03-23 · cs.IR · 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{6GQRXVQS7LNAIDAUDDGOMVKD2N}

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	2026-05-18T00:18:30.831535Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f1a11bd612fada040c1418cce65543d35ecdd4c1eec27632dac9ee9101cddfc8

Aliases

arxiv: 1803.08721 · arxiv_version: 1803.08721v2 · doi: 10.48550/arxiv.1803.08721 · pith_short_12: 6GQRXVQS7LNA · pith_short_16: 6GQRXVQS7LNAIDAU · pith_short_8: 6GQRXVQS

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/6GQRXVQS7LNAIDAUDDGOMVKD2N \
  | 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: f1a11bd612fada040c1418cce65543d35ecdd4c1eec27632dac9ee9101cddfc8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b222539526c27f03ac325ef056321d970429b0c7223fcf488c4bb7db7b781782",
    "cross_cats_sorted": [
      "cs.CL"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2018-03-23T10:35:42Z",
    "title_canon_sha256": "0ee0c7ce081716de46894434c95b692c9599800855ee58878973e13f33e88895"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.08721",
    "kind": "arxiv",
    "version": 2
  }
}