Pith Number

pith:5PURD63E

pith:2025:5PURD63EOZSO3PBICFK5OKRFBN

not attested not anchored not stored refs pending

Efficient Long CoT Reasoning in Small Language Models

Huaxiu Yao, Hui Liu, Jinqi Jiang, Tian Qiu, Xianfeng Tang, Zhaoyang Wang

arxiv:2505.18440 v2 · 2025-05-24 · cs.CL · 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{5PURD63EOZSO3PBICFK5OKRFBN}

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	2026-07-05T11:23:28.513911Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ebe911fb647664edbc281155d72a250b5f963b35c9270b25a73604d178bdfca1

Aliases

arxiv: 2505.18440 · arxiv_version: 2505.18440v2 · doi: 10.48550/arxiv.2505.18440 · pith_short_12: 5PURD63EOZSO · pith_short_16: 5PURD63EOZSO3PBI · pith_short_8: 5PURD63E

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/5PURD63EOZSO3PBICFK5OKRFBN \
  | 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: ebe911fb647664edbc281155d72a250b5f963b35c9270b25a73604d178bdfca1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ad0d94543fc0400c5cb2ceaaec0584e15e1b4ab8b1eda2ff6a3a4dca69702146",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2025-05-24T00:22:52Z",
    "title_canon_sha256": "387f2e76ede752ab0cdb2a85e4df906c6096c978fb6378b3b452ed7b1d81477f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.18440",
    "kind": "arxiv",
    "version": 2
  }
}