Pith Number

pith:4N5DHTUH

pith:2025:4N5DHTUHPZXD6W3UZHQN3KTFQZ

not attested not anchored not stored refs pending

The Price of Format: Diversity Collapse in LLMs

Chenyang An, Jingbo Shang, Letian Peng, Longfei Yun, Zilong Wang

arxiv:2505.18949 v1 · 2025-05-25 · cs.CL · cs.AI · 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{4N5DHTUHPZXD6W3UZHQN3KTFQZ}

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.

Cited by

7 papers in Pith

Lost in Sampling: Assessing Lexical Reachability in LLMs via the Word Coverage Score (WCS)

Unlocking LLM Creativity in Science through Analogical Reasoning

The Extrapolation Cliff in On-Policy Distillation of Near-Deterministic Structured Outputs

Annotations Mitigate Post-Training Mode Collapse

Ex Ante Evaluation of AI-Induced Idea Diversity Collapse

Receipt and verification

First computed	2026-07-05T11:09:22.480219Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e37a33ce877e6e3f5b74c9e0ddaa6586431feb5f37827b626f6e4adc829db52a

Aliases

arxiv: 2505.18949 · arxiv_version: 2505.18949v1 · doi: 10.48550/arxiv.2505.18949 · pith_short_12: 4N5DHTUHPZXD · pith_short_16: 4N5DHTUHPZXD6W3U · pith_short_8: 4N5DHTUH

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/4N5DHTUHPZXD6W3UZHQN3KTFQZ \
  | 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: e37a33ce877e6e3f5b74c9e0ddaa6586431feb5f37827b626f6e4adc829db52a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ffbb766816df2fc0b28dfaa56f1e359953891651d6837b91a6331ad8102ed2ca",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2025-05-25T02:52:35Z",
    "title_canon_sha256": "a9df32aab10d3746e0aa65eae428604ac15b1b8f57c462036422bfaa087ac41e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.18949",
    "kind": "arxiv",
    "version": 1
  }
}