Pith Number

pith:SMSSSSHW

pith:2026:SMSSSSHWPSXPMOERH7BY6BLJ2G

not attested not anchored not stored refs pending

When Hard Negatives Hurt: Bridging the Generative-Discriminative Gap in Hard Negative Synthesis for Retrieval

Fengyuan Lu, Gang Wang, Hai-Tao Zheng, Jieming Zhu, Jingyu Li, Jiwei Tang, Kuicai Dong, Qianhui Zhu, Wang Jiaheng, Xiaopeng Li, Zhaocheng Du, Zhicheng Zhang

arxiv:2606.01304 v1 · 2026-05-31 · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SMSSSSHWPSXPMOERH7BY6BLJ2G}

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	2026-06-02T02:04:29.603905Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

93252948f67caef638913fc38f0569d1b03a14b50d21f4807a7a522a284b21b3

Aliases

arxiv: 2606.01304 · arxiv_version: 2606.01304v1 · doi: 10.48550/arxiv.2606.01304 · pith_short_12: SMSSSSHWPSXP · pith_short_16: SMSSSSHWPSXPMOER · pith_short_8: SMSSSSHW

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/SMSSSSHWPSXPMOERH7BY6BLJ2G \
  | 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: 93252948f67caef638913fc38f0569d1b03a14b50d21f4807a7a522a284b21b3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eaf3171053492740462d262da45cf20df6ee12f3f74da64938d384f099b3d5df",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-05-31T15:48:30Z",
    "title_canon_sha256": "7abba1768d83521b12c6db5d87ea6e5e90b64ad0e350ab110fb0915c4de14cfa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.01304",
    "kind": "arxiv",
    "version": 1
  }
}