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Pith Number

pith:HPRAMWRQ

pith:2019:HPRAMWRQS36GL6OIND23BWBVZH
not attested not anchored not stored refs pending

Improving Question Answering with External Knowledge

Claire Cardie, Dian Yu, Dong Yu, Heng Ji, Jianshu Chen, Kai Sun, Xiaoman Pan

arxiv:1902.00993 v3 · 2019-02-03 · cs.CL

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{HPRAMWRQS36GL6OIND23BWBVZH}

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.

Cited by

1 paper in Pith

Receipt and verification
First computed 2026-07-05T00:09:13.844023Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

3be2065a3096fc65f9c868f5b0d835c9c912ef2db8d56481fdaa95032e17a2bc

Aliases

arxiv: 1902.00993 · arxiv_version: 1902.00993v3 · doi: 10.48550/arxiv.1902.00993 · pith_short_12: HPRAMWRQS36G · pith_short_16: HPRAMWRQS36GL6OI · pith_short_8: HPRAMWRQ
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/HPRAMWRQS36GL6OIND23BWBVZH \
  | 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: 3be2065a3096fc65f9c868f5b0d835c9c912ef2db8d56481fdaa95032e17a2bc
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "7f2fba00d0595699abf0c668789b4b304723c2ebb815cf3564e0e47d883b0492",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2019-02-03T23:44:10Z",
    "title_canon_sha256": "e5a9e3c6e4168cdd312c0c541125729d8a61cd66888421b90189d2cc4f433f16"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.00993",
    "kind": "arxiv",
    "version": 3
  }
}