Pith Number

pith:TTWJ3XTA

pith:2025:TTWJ3XTA4UJANH7CXAHT5FNIYO

not attested not anchored not stored refs pending

Optimizing Test-Time Compute via Meta Reinforcement Fine-Tuning

Amrith Setlur, Aviral Kumar, Edward Emanuel Beeching, Lewis Tunstall, Matthew Y. R. Yang, Ruslan Salakhutdinov, Yuxiao Qu

arxiv:2503.07572 v1 · 2025-03-10 · cs.LG · cs.AI · 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{TTWJ3XTA4UJANH7CXAHT5FNIYO}

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

16 papers in Pith

Learning Process Rewards via Success Visitation Matching for Efficient RL

Modularized Reinforcement Learning on LLMs: From MDP Creation to Exploration and Learning

Addressing Over-Refusal in LLMs with Competing Rewards

Hint Tuning: Less Data Makes Better Reasoners

Understanding and Mitigating Premature Confidence for Better LLM Reasoning

Receipt and verification

First computed	2026-07-05T10:28:07.323637Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9cec9dde60e512069fe2b80f3e95a8c3a82dc7784ec333f3533c5f14ed1b2957

Aliases

arxiv: 2503.07572 · arxiv_version: 2503.07572v1 · doi: 10.48550/arxiv.2503.07572 · pith_short_12: TTWJ3XTA4UJA · pith_short_16: TTWJ3XTA4UJANH7C · pith_short_8: TTWJ3XTA

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/TTWJ3XTA4UJANH7CXAHT5FNIYO \
  | 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: 9cec9dde60e512069fe2b80f3e95a8c3a82dc7784ec333f3533c5f14ed1b2957

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c596a5a41de87c46792daa7150fb271a5dba4714fdf8c016fd0eaecc7e53a997",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.CL"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2025-03-10T17:40:43Z",
    "title_canon_sha256": "ba21c14a13242817fd97b1d13d9e755bb0bb5cbe71627ec5b825eb564d60b7a0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2503.07572",
    "kind": "arxiv",
    "version": 1
  }
}