Pith Number

pith:ZI6OYC7N

pith:2025:ZI6OYC7NICAW3QOIKV2KDOD5LR

not attested not anchored not stored refs pending

ExpandR: Teaching Dense Retrievers Beyond Queries with LLM Guidance

Ge Yu, Pengcheng Huang, Shi Yu, Sijia Yao, Yu Gu, Yukun Yan, Zhenghao Liu

arxiv:2502.17057 v3 · 2025-02-24 · cs.IR · 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{ZI6OYC7NICAW3QOIKV2KDOD5LR}

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	2026-07-05T11:11:42.441674Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ca3cec0bed40816dc1c85574a1b87d5c471b2a96df2aae6aad0126bb4cabe765

Aliases

arxiv: 2502.17057 · arxiv_version: 2502.17057v3 · doi: 10.48550/arxiv.2502.17057 · pith_short_12: ZI6OYC7NICAW · pith_short_16: ZI6OYC7NICAW3QOI · pith_short_8: ZI6OYC7N

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/ZI6OYC7NICAW3QOIKV2KDOD5LR \
  | 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: ca3cec0bed40816dc1c85574a1b87d5c471b2a96df2aae6aad0126bb4cabe765

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "907b1106b3c12a3fb7cc51bf91e97e729dc3bdbbe533999b8f519452fba815a4",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2025-02-24T11:15:41Z",
    "title_canon_sha256": "06971e45521c31902f6db5e7cf16151f79cef67c2040c05e59d68b533e2e4deb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2502.17057",
    "kind": "arxiv",
    "version": 3
  }
}