Pith Number

pith:UCKENEOX

pith:2025:UCKENEOX2NJKLQFFBKTTDZN5CK

not attested not anchored not stored refs pending

A Comparative Study of Specialized LLMs as Dense Retrievers

Hengran Zhang, Jiafeng Guo, Keping Bi

arxiv:2507.03958 v2 · 2025-07-05 · cs.IR · cs.AI · cs.CL · 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{UCKENEOX2NJKLQFFBKTTDZN5CK}

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	2026-07-05T11:49:11.169126Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a0944691d7d352a5c0a50aa731e5bd12bb1bf3d75fe21caedccb8138fc1d4985

Aliases

arxiv: 2507.03958 · arxiv_version: 2507.03958v2 · doi: 10.48550/arxiv.2507.03958 · pith_short_12: UCKENEOX2NJK · pith_short_16: UCKENEOX2NJKLQFF · pith_short_8: UCKENEOX

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/UCKENEOX2NJKLQFFBKTTDZN5CK \
  | 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: a0944691d7d352a5c0a50aa731e5bd12bb1bf3d75fe21caedccb8138fc1d4985

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "265d0dd1d1f02a5aeeebf25ad09e5b43a648587658985bfd21d18bd3daa8bcdd",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.CL",
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2025-07-05T08:50:29Z",
    "title_canon_sha256": "433683b3e6840ab6a0774f0cebe6ce65566af9c057d2a2b3894248c9eda10606"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.03958",
    "kind": "arxiv",
    "version": 2
  }
}