Pith Number

pith:MX36LYH3

pith:2013:MX36LYH34W5G66UNSGT7RT5BYF

not attested not anchored not stored refs pending

KERT: Automatic Extraction and Ranking of Topical Keyphrases from Content-Representative Document Titles

Chi Wang, Jiawei Han, Jingyi Guo, Marina Danilevsky, Nihit Desai

arxiv:1306.0271 v1 · 2013-06-03 · cs.LG · cs.IR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MX36LYH34W5G66UNSGT7RT5BYF}

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	2026-05-18T03:21:55.646976Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

65f7e5e0fbe5ba6f7a8d91a7f8cfa1c15af1b9a2ebe4fe27898e86609e2cd731

Aliases

arxiv: 1306.0271 · arxiv_version: 1306.0271v1 · doi: 10.48550/arxiv.1306.0271 · pith_short_12: MX36LYH34W5G · pith_short_16: MX36LYH34W5G66UN · pith_short_8: MX36LYH3

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/MX36LYH34W5G66UNSGT7RT5BYF \
  | 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: 65f7e5e0fbe5ba6f7a8d91a7f8cfa1c15af1b9a2ebe4fe27898e86609e2cd731

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3b0346a045cd7eca844b6051bed960d8aff3cf8a4fa7768428fda990266a2c61",
    "cross_cats_sorted": [
      "cs.IR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2013-06-03T01:44:28Z",
    "title_canon_sha256": "5d8d85af499929be8ad55b7460674ae6c307e23779430960c937682e9b61521e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1306.0271",
    "kind": "arxiv",
    "version": 1
  }
}