Pith Number

pith:3HYJMPUY

pith:2019:3HYJMPUYY4CZNTQPFVQ5GC6RHT

not attested not anchored not stored refs pending

Query Expansion for Cross-Language Question Re-Ranking

Kevin Duh, Muhammad Mahbubur Rahman, Sorami Hisamoto

arxiv:1904.07982 v1 · 2019-04-16 · cs.IR · 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{3HYJMPUYY4CZNTQPFVQ5GC6RHT}

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

Query Expansion in the Age of Pre-trained and Large Language Models: A Comprehensive Survey

Receipt and verification

First computed	2026-05-17T23:48:19.158434Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d9f0963e98c70596ce0f2d61d30bd13ceb187c10893b2ea9482075eb8b64c4c9

Aliases

arxiv: 1904.07982 · arxiv_version: 1904.07982v1 · doi: 10.48550/arxiv.1904.07982 · pith_short_12: 3HYJMPUYY4CZ · pith_short_16: 3HYJMPUYY4CZNTQP · pith_short_8: 3HYJMPUY

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/3HYJMPUYY4CZNTQPFVQ5GC6RHT \
  | 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: d9f0963e98c70596ce0f2d61d30bd13ceb187c10893b2ea9482075eb8b64c4c9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1ca3907d68505445b3479a2fd0f8af80a93f190a0a6e31f635b6658f75f2ba01",
    "cross_cats_sorted": [
      "cs.CL"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2019-04-16T20:55:59Z",
    "title_canon_sha256": "54446d2bfc62837e28382493696009f52f093cbb1470be77769925aede5d53dc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.07982",
    "kind": "arxiv",
    "version": 1
  }
}