Pith Number

pith:VXV3Q6PM

pith:2014:VXV3Q6PMUIIS6YLVDYKLT72WFQ

not attested not anchored not stored refs pending

A survey on phrase structure learning methods for text classification

Mary Priya Sebastian, Reshma Prasad

arxiv:1406.5598 v1 · 2014-06-21 · 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{VXV3Q6PMUIIS6YLVDYKLT72WFQ}

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	2026-05-18T02:49:11.177896Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

adebb879eca2112f61751e14b9ff562c2e6c1445dc95656f852b8a18a19f92c3

Aliases

arxiv: 1406.5598 · arxiv_version: 1406.5598v1 · doi: 10.48550/arxiv.1406.5598 · pith_short_12: VXV3Q6PMUIIS · pith_short_16: VXV3Q6PMUIIS6YLV · pith_short_8: VXV3Q6PM

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/VXV3Q6PMUIIS6YLVDYKLT72WFQ \
  | 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: adebb879eca2112f61751e14b9ff562c2e6c1445dc95656f852b8a18a19f92c3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1cea93db6badf852edb28c19f521863baf14ec187f372fe8ef446116c1486c76",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2014-06-21T11:30:05Z",
    "title_canon_sha256": "d9dc2eb4f4c465b92f5d4a92d83cfd6a5f2112eb731d1d0e2d96101ba85981c8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1406.5598",
    "kind": "arxiv",
    "version": 1
  }
}