Pith Number

pith:UNP2ZHWD

pith:2017:UNP2ZHWDAIKZ3EPK2CKOFAP6QH

not attested not anchored not stored refs pending

PELESent: Cross-domain polarity classification using distant supervision

Edilson A. Corr\^ea Jr, Henrico B. Brum, Leandro B. dos Santos, Marcos V. Treviso, Thales F. C. Bertaglia, Vanessa Q. Marinho

arxiv:1707.02657 v1 · 2017-07-09 · cs.CL · cs.AI · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UNP2ZHWDAIKZ3EPK2CKOFAP6QH}

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	2026-05-18T00:40:36.206440Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a35fac9ec302159d91ead094e281fe81da9fd420462839499adea13b1ed1cb01

Aliases

arxiv: 1707.02657 · arxiv_version: 1707.02657v1 · doi: 10.48550/arxiv.1707.02657 · pith_short_12: UNP2ZHWDAIKZ · pith_short_16: UNP2ZHWDAIKZ3EPK · pith_short_8: UNP2ZHWD

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/UNP2ZHWDAIKZ3EPK2CKOFAP6QH \
  | 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: a35fac9ec302159d91ead094e281fe81da9fd420462839499adea13b1ed1cb01

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cbd4232023b388699452b425876168695aefe46bc1738e6e7ce3d87ba4a041d0",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2017-07-09T23:13:58Z",
    "title_canon_sha256": "84418477fa25cb9bf37b0bcd7e2583e0c766c3b6fa24676876704a43b5568fc9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1707.02657",
    "kind": "arxiv",
    "version": 1
  }
}