Pith Number

pith:LD4XZDQW

pith:2023:LD4XZDQWDPVA5OUNKYDUOH6RON

not attested not anchored not stored refs pending

Pre-training with Large Language Model-based Document Expansion for Dense Passage Retrieval

Guangyuan Ma, Peng Wang, Songlin Hu, Xing Wu, Zijia Lin

arxiv:2308.08285 v1 · 2023-08-16 · cs.IR · cs.CL

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Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LD4XZDQWDPVA5OUNKYDUOH6RON}

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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

SyNeg: LLM-Driven Synthetic Hard-Negatives for Dense Retrieval

Receipt and verification

First computed	2026-07-05T06:41:57.356142Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

58f97c8e161bea0eba8d5607471fd17346b3ec2ea6f98eaf40b42c80d24c57fc

Aliases

arxiv: 2308.08285 · arxiv_version: 2308.08285v1 · doi: 10.48550/arxiv.2308.08285 · pith_short_12: LD4XZDQWDPVA · pith_short_16: LD4XZDQWDPVA5OUN · pith_short_8: LD4XZDQW

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/LD4XZDQWDPVA5OUNKYDUOH6RON \
  | 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: 58f97c8e161bea0eba8d5607471fd17346b3ec2ea6f98eaf40b42c80d24c57fc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7b2e73203147776b9567701f7d17cbb7521fa74faccfafb6baba2f5172c85e35",
    "cross_cats_sorted": [
      "cs.CL"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2023-08-16T11:10:43Z",
    "title_canon_sha256": "d13815c489fcc4ddcb217ddf8712ea470b9527ecd30ba6ab8e8b584632bcaf16"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2308.08285",
    "kind": "arxiv",
    "version": 1
  }
}