Pith Number

pith:3XZMI2FZ

pith:2026:3XZMI2FZWOJQOYKNFFGFQEYACH

not attested not anchored not stored refs pending

On the Optimal Reasoning Length for RL-Trained Language Models

Daisuke Nohara, Rio Yokota, Taishi Nakamura

arxiv:2602.09591 v3 · 2026-02-10 · 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{3XZMI2FZWOJQOYKNFFGFQEYACH}

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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

1 paper in Pith

Implicit Compression Regularization: Concise Reasoning via Internal Shorter Distributions in RL Post-Training

Receipt and verification

First computed	2026-06-11T01:09:30.337697Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ddf2c468b9b39307614d294c58130011f4ceb07a13721560fd185bf2825dd47e

Aliases

arxiv: 2602.09591 · arxiv_version: 2602.09591v3 · doi: 10.48550/arxiv.2602.09591 · pith_short_12: 3XZMI2FZWOJQ · pith_short_16: 3XZMI2FZWOJQOYKN · pith_short_8: 3XZMI2FZ

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/3XZMI2FZWOJQOYKNFFGFQEYACH \
  | 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: ddf2c468b9b39307614d294c58130011f4ceb07a13721560fd185bf2825dd47e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cd9f54ecae566997eb9cb39d76fa69fe6c8400fba578f1071ac1d2673ebe8445",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2026-02-10T09:45:42Z",
    "title_canon_sha256": "280c777ac32bd72e92d9acfb43bc8ea75b183a23537c4e7f0400805bb534c5cb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2602.09591",
    "kind": "arxiv",
    "version": 3
  }
}