Pith Number

pith:3OLTGDK6

pith:2022:3OLTGDK6BI3O64KFF3DI6DE3KS

not attested not anchored not stored refs pending

Simple and Effective Knowledge-Driven Query Expansion for QA-Based Product Attribute Extraction

Keiji Shinzato, Naoki Yoshinaga, Wei-Te Chen, Yandi Xia

arxiv:2206.14264 v1 · 2022-06-28 · cs.CL · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3OLTGDK6BI3O64KFF3DI6DE3KS}

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	2026-07-05T04:36:02.513377Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

db97330d5e0a36ef71452ec68f0c9b549caf9e65ff198fce62a4ffb066de05ce

Aliases

arxiv: 2206.14264 · arxiv_version: 2206.14264v1 · doi: 10.48550/arxiv.2206.14264 · pith_short_12: 3OLTGDK6BI3O · pith_short_16: 3OLTGDK6BI3O64KF · pith_short_8: 3OLTGDK6

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/3OLTGDK6BI3O64KFF3DI6DE3KS \
  | 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: db97330d5e0a36ef71452ec68f0c9b549caf9e65ff198fce62a4ffb066de05ce

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a6cf65dc3e5b2755ff289b83875b5e43e8c669680403becabf64846018858cf0",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2022-06-28T19:43:57Z",
    "title_canon_sha256": "421a50b2221bc181ac07ce1c902376abc4ec45718469489d66fb425028969846"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2206.14264",
    "kind": "arxiv",
    "version": 1
  }
}