Pith Number

pith:D42YRUKW

pith:2025:D42YRUKWNSG75VNEUGE3BAGJKM

not attested not anchored not stored refs pending

Large Language Models Struggle to Describe the Haystack without Human Help: Human-in-the-loop Evaluation of Topic Models

Alden Dima, Alexander Hoyle, Jordan Boyd-Graber, Juan Francisco Fung, Lorena Calvo-Bartolom\'e, Paiheng Xu, Zongxia Li

arxiv:2502.14748 v2 · 2025-02-20 · 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{D42YRUKWNSG75VNEUGE3BAGJKM}

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	2026-07-05T11:15:43.098763Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1f3588d1566c8dfed5a4a189b080c9532b1b521adf82a5b5bcadd626a3820cc5

Aliases

arxiv: 2502.14748 · arxiv_version: 2502.14748v2 · doi: 10.48550/arxiv.2502.14748 · pith_short_12: D42YRUKWNSG7 · pith_short_16: D42YRUKWNSG75VNE · pith_short_8: D42YRUKW

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/D42YRUKWNSG75VNEUGE3BAGJKM \
  | 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: 1f3588d1566c8dfed5a4a189b080c9532b1b521adf82a5b5bcadd626a3820cc5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8e2ad141c8f4dee1209ad9e3dd0180e2a49d2ce7b4418ee0140a1ab56b909d79",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2025-02-20T17:19:41Z",
    "title_canon_sha256": "b795085fa91198dba6b975b25f68ebf4459a8826efb85f3322d36cc00272be1a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2502.14748",
    "kind": "arxiv",
    "version": 2
  }
}