Pith Number

pith:QNQM2PDL

pith:2012:QNQM2PDLW3TBE7XWMDE7BDUBHW

not attested not anchored not stored refs pending

Clustering based approach extracting collocations

Mohamed Achraf Ben Mohamed, Mohsen Maraoui, Mounir Zrigui

arxiv:1207.2714 v1 · 2012-07-11 · 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{QNQM2PDLW3TBE7XWMDE7BDUBHW}

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	2026-05-18T03:51:14.719401Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8360cd3c6bb6e6127ef660c9f08e813db7e1207067e63edae6ae8494816557e3

Aliases

arxiv: 1207.2714 · arxiv_version: 1207.2714v1 · doi: 10.48550/arxiv.1207.2714 · pith_short_12: QNQM2PDLW3TB · pith_short_16: QNQM2PDLW3TBE7XW · pith_short_8: QNQM2PDL

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/QNQM2PDLW3TBE7XWMDE7BDUBHW \
  | 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: 8360cd3c6bb6e6127ef660c9f08e813db7e1207067e63edae6ae8494816557e3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cdfa21672c671f7e41718143307fabf1e0e7fb8f05314387012f26a6f808d3b0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2012-07-11T17:31:11Z",
    "title_canon_sha256": "610cfe3ee31f5bf10de33905258b9d70b994152f58a5f8c6ec23bd58a8f1e4ae"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.2714",
    "kind": "arxiv",
    "version": 1
  }
}