Pith Number

pith:A4QEXNMA

pith:2022:A4QEXNMAOPAJLAST4GP562EMLC

not attested not anchored not stored refs pending

Training Entire-Space Models for Target-oriented Opinion Words Extraction

Fang Wang, Sheng-hua Zhong, Yuncong Li

arxiv:2204.07337 v1 · 2022-04-15 · 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{A4QEXNMAOPAJLAST4GP562EMLC}

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	2026-07-05T04:15:02.793984Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

07204bb58073c0958253e19fdf688c58adf35b5ea2701f7a288f720f3e4bdfa7

Aliases

arxiv: 2204.07337 · arxiv_version: 2204.07337v1 · doi: 10.48550/arxiv.2204.07337 · pith_short_12: A4QEXNMAOPAJ · pith_short_16: A4QEXNMAOPAJLAST · pith_short_8: A4QEXNMA

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/A4QEXNMAOPAJLAST4GP562EMLC \
  | 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: 07204bb58073c0958253e19fdf688c58adf35b5ea2701f7a288f720f3e4bdfa7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "17b485fddcaef43e63d2d95eab74e328cc4dc3d262bb2caf2cd4801c497f38a8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2022-04-15T05:39:25Z",
    "title_canon_sha256": "42ff28db7315df1ceef110ac4ac1cb9b0d89369cca29b72af0a19332a2677ac9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2204.07337",
    "kind": "arxiv",
    "version": 1
  }
}