Pith Number

pith:FCLAKKAR

pith:2014:FCLAKKAR2KXPEMM4YF45NKGMQX

not attested not anchored not stored refs pending

A Joint Probabilistic Classification Model of Relevant and Irrelevant Sentences in Mathematical Word Problems

Dake Zhang, Joo Young Park, Luo Si, Ron Tzur, Suleyman Cetintas, Yan Ping Xin

arxiv:1411.5732 v1 · 2014-11-21 · cs.CL · cs.IR · cs.LG · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FCLAKKAR2KXPEMM4YF45NKGMQX}

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	2026-05-18T02:33:07.204168Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2896052811d2aef2319cc179d6a8cc85d810536ebcab96536071014e6a28387f

Aliases

arxiv: 1411.5732 · arxiv_version: 1411.5732v1 · doi: 10.48550/arxiv.1411.5732 · pith_short_12: FCLAKKAR2KXP · pith_short_16: FCLAKKAR2KXPEMM4 · pith_short_8: FCLAKKAR

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/FCLAKKAR2KXPEMM4YF45NKGMQX \
  | 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: 2896052811d2aef2319cc179d6a8cc85d810536ebcab96536071014e6a28387f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "370a669474f1e4222310d2b5c6fa4ef73f1e660432d3e996b2c4d6490b1a962e",
    "cross_cats_sorted": [
      "cs.IR",
      "cs.LG",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2014-11-21T00:53:02Z",
    "title_canon_sha256": "7597d42518b87949fc520165bc693a6d988593fbde96626cb9c47029a95b6532"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1411.5732",
    "kind": "arxiv",
    "version": 1
  }
}