Pith Number

pith:262UVBSB

pith:2019:262UVBSBR7MXBZWD7L4KNPGJCB

not attested not anchored not stored refs pending

Open-Domain Targeted Sentiment Analysis via Span-Based Extraction and Classification

Dongsheng Li, Minghao Hu, Yiwei Lv, Yuxing Peng, Zhen Huang

arxiv:1906.03820 v1 · 2019-06-10 · 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{262UVBSBR7MXBZWD7L4KNPGJCB}

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	2026-05-17T23:43:44.860419Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d7b54a86418fd970e6c3faf8a6bcc91049b393ed39080c333e5a60d538fad955

Aliases

arxiv: 1906.03820 · arxiv_version: 1906.03820v1 · doi: 10.48550/arxiv.1906.03820 · pith_short_12: 262UVBSBR7MX · pith_short_16: 262UVBSBR7MXBZWD · pith_short_8: 262UVBSB

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/262UVBSBR7MXBZWD7L4KNPGJCB \
  | 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: d7b54a86418fd970e6c3faf8a6bcc91049b393ed39080c333e5a60d538fad955

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5b8927814d53a062a4950cb850c8ac635b2bf2745e4e7ad68a87e4eb75119a6e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2019-06-10T07:22:05Z",
    "title_canon_sha256": "578d6399b10fb221248d328ed4f4deae090c27f7687972dd8d3b9df13076db68"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.03820",
    "kind": "arxiv",
    "version": 1
  }
}