Pith Number

pith:DFFUPBQS

pith:2026:DFFUPBQSFDD5OLPFSOWNEIXZCM

not attested not anchored not stored refs pending

RCEM: Embedder Equipped with Query Rewriting Skill for Robust Conversational Search in Distributional Shift

Cha Zhang, Dinei Florencio, Kilho Son, Paul Hsu

arxiv:2606.01697 v1 · 2026-06-01 · 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{DFFUPBQSFDD5OLPFSOWNEIXZCM}

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	2026-06-02T02:04:40.269925Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

194b47861228c7d72de593acd222f91305dc0b21bb3969c6bfc899d2d06e7543

Aliases

arxiv: 2606.01697 · arxiv_version: 2606.01697v1 · doi: 10.48550/arxiv.2606.01697 · pith_short_12: DFFUPBQSFDD5 · pith_short_16: DFFUPBQSFDD5OLPF · pith_short_8: DFFUPBQS

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/DFFUPBQSFDD5OLPFSOWNEIXZCM \
  | 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: 194b47861228c7d72de593acd222f91305dc0b21bb3969c6bfc899d2d06e7543

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d627b483c16d355fcdae318789c71a5f2f3d57970031353537ad6509b1a6b9db",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2026-06-01T05:04:17Z",
    "title_canon_sha256": "6c5807c54de9c16b2234604f3efaa67e5c5b65de6d97eef51d0f13c66961540e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.01697",
    "kind": "arxiv",
    "version": 1
  }
}