Pith Number

pith:T52OKJOW

pith:2013:T52OKJOW4GICFPCAQFPN6KJPNF

not attested not anchored not stored refs pending

Improving the methods of email classification based on words ontology

Foruzan Kiamarzpour, Mehdi Sadeghzadeh, Mohammad Bahrani, Rouhollah Dianat

arxiv:1310.5963 v1 · 2013-10-22 · 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{T52OKJOW4GICFPCAQFPN6KJPNF}

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	2026-05-18T03:09:21.631437Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9f74e525d6e19022bc40815edf292f69726fe3ba758f48c4580be1fc16419003

Aliases

arxiv: 1310.5963 · arxiv_version: 1310.5963v1 · doi: 10.48550/arxiv.1310.5963 · pith_short_12: T52OKJOW4GIC · pith_short_16: T52OKJOW4GICFPCA · pith_short_8: T52OKJOW

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/T52OKJOW4GICFPCAQFPN6KJPNF \
  | 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: 9f74e525d6e19022bc40815edf292f69726fe3ba758f48c4580be1fc16419003

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b157ab7bf54da13d78695216cf1d8205be9d01126937b3ccededeb5de2b78c40",
    "cross_cats_sorted": [
      "cs.CL"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2013-10-22T15:35:46Z",
    "title_canon_sha256": "a2724222333ccac1bc68781790f6b7cf43eec451ac02efc35dd632dec10308cc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1310.5963",
    "kind": "arxiv",
    "version": 1
  }
}