Pith Number

pith:FPJXY2UN

pith:2010:FPJXY2UNZRVJCAKTADK4GV4H4Q

not attested not anchored not stored refs pending

Text Classification using Data Mining

Ahmed Ryadh Hasan, Farhana Haider, S. M. Kamruzzaman

arxiv:1009.4987 v1 · 2010-09-25 · cs.IR · cs.DB

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FPJXY2UNZRVJCAKTADK4GV4H4Q}

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	2026-05-18T04:40:19.525691Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2bd37c6a8dcc6a91015300d5c35787e42f4ab23764431bea1503b3d2d49170a7

Aliases

arxiv: 1009.4987 · arxiv_version: 1009.4987v1 · doi: 10.48550/arxiv.1009.4987 · pith_short_12: FPJXY2UNZRVJ · pith_short_16: FPJXY2UNZRVJCAKT · pith_short_8: FPJXY2UN

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/FPJXY2UNZRVJCAKTADK4GV4H4Q \
  | 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: 2bd37c6a8dcc6a91015300d5c35787e42f4ab23764431bea1503b3d2d49170a7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "91334d6be52f084ec18c9ee065f82f6177522a75cc20602dacebe753ba59852f",
    "cross_cats_sorted": [
      "cs.DB"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2010-09-25T07:27:46Z",
    "title_canon_sha256": "63cda964c81427d21aaf801898561a89a17e43832afb6bd09f6294078f584843"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1009.4987",
    "kind": "arxiv",
    "version": 1
  }
}