Pith Number

pith:XHEFZWLE

pith:2025:XHEFZWLEIA7NC4NL4XWJGAA35K

not attested not anchored not stored refs pending

When Fewer Layers Break More Chains: Layer Pruning Harms Test-Time Scaling in LLMs

Guinan Su, Jonas Geiping, Keyu Wang, Lu Yin, Marco Canini, Shiwei Liu, Tian Lyu

arxiv:2510.22228 v2 · 2025-10-25 · cs.LG · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XHEFZWLEIA7NC4NL4XWJGAA35K}

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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

2 papers in Pith

Fragile Knowledge, Robust Instruction-Following: The Width Pruning Dichotomy in Llama-3.2

On the Limits of Layer Pruning for Generative Reasoning in Large Language Models

Receipt and verification

First computed	2026-07-21T02:22:24.379114Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b9c85cd964403ed171abe5ec93001beaa6e54d8c071c8962b3950142f71cde49

Aliases

arxiv: 2510.22228 · arxiv_version: 2510.22228v2 · doi: 10.48550/arxiv.2510.22228 · pith_short_12: XHEFZWLEIA7N · pith_short_16: XHEFZWLEIA7NC4NL · pith_short_8: XHEFZWLE

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/XHEFZWLEIA7NC4NL4XWJGAA35K \
  | 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: b9c85cd964403ed171abe5ec93001beaa6e54d8c071c8962b3950142f71cde49

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "01963ad4537f83ee348a972241c463822ae557f04feb19f77277012c22904619",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2025-10-25T09:22:22Z",
    "title_canon_sha256": "44d7d3bd2416fc43643483d52cb853a4622b8b246aedbfdc4a20b8dbcfa1df21"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2510.22228",
    "kind": "arxiv",
    "version": 2
  }
}