Pith Number

pith:QWWIGDUQ

pith:2015:QWWIGDUQ23VOGQ3XNGWFTFKL6U

not attested not anchored not stored refs pending

Learning Document Embeddings by Predicting N-grams for Sentiment Classification of Long Movie Reviews

Bofang Li, Deyuan Zhang, Tao Liu, Xiaoyong Du, Zhe Zhao

arxiv:1512.08183 v5 · 2015-12-27 · 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{QWWIGDUQ23VOGQ3XNGWFTFKL6U}

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	2026-05-18T01:16:24.416162Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

85ac830e90d6eae3437769ac59954bf513966891869cbba6f89b9fbf66e53239

Aliases

arxiv: 1512.08183 · arxiv_version: 1512.08183v5 · doi: 10.48550/arxiv.1512.08183 · pith_short_12: QWWIGDUQ23VO · pith_short_16: QWWIGDUQ23VOGQ3X · pith_short_8: QWWIGDUQ

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/QWWIGDUQ23VOGQ3XNGWFTFKL6U \
  | 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: 85ac830e90d6eae3437769ac59954bf513966891869cbba6f89b9fbf66e53239

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "de48e26e764d205e9657f58ce3bf9f47c9f82285e437a12d3829fe0d765e2cb3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2015-12-27T08:12:53Z",
    "title_canon_sha256": "5b78c48173a77e8a007f75f6646c9e2cf0d6664395cd2a8db3b23bb0692cd5e7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1512.08183",
    "kind": "arxiv",
    "version": 5
  }
}