Pith Number

pith:XXPQF4VZ

pith:2013:XXPQF4VZRUSMUIE6GHCTHZZOEX

not attested not anchored not stored refs pending

Rule Based Stemmer in Urdu

Iti Mathur, Nisheeth Joshi, Vaishali Gupta

arxiv:1310.0581 v1 · 2013-10-02 · 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{XXPQF4VZRUSMUIE6GHCTHZZOEX}

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	2026-05-18T03:11:34.788050Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bddf02f2b98d24ca209e31c533e72e25c4be12991ceddf937dd1adf6511c022b

Aliases

arxiv: 1310.0581 · arxiv_version: 1310.0581v1 · doi: 10.48550/arxiv.1310.0581 · pith_short_12: XXPQF4VZRUSM · pith_short_16: XXPQF4VZRUSMUIE6 · pith_short_8: XXPQF4VZ

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/XXPQF4VZRUSMUIE6GHCTHZZOEX \
  | 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: bddf02f2b98d24ca209e31c533e72e25c4be12991ceddf937dd1adf6511c022b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9562b486306f47bc4221beda0ac5ae5207cb720c7336b07299d66218dff966b6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2013-10-02T06:15:03Z",
    "title_canon_sha256": "0a1635fd4eb0eee8920ac706ce1e965ef175f94c0751e32d6c2889a2160c33b1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1310.0581",
    "kind": "arxiv",
    "version": 1
  }
}