Pith Number

pith:T3ZH7MLM

pith:2025:T3ZH7MLMLV4Q44VICALH5O7L62

not attested not anchored not stored refs pending

R2E-Gym: Procedural Environments and Hybrid Verifiers for Scaling Open-Weights SWE Agents

Ion Stoica, Jaskirat Singh, Koushik Sen, Liang Zheng, Manish Shetty, Naman Jain

arxiv:2504.07164 v1 · 2025-04-09 · cs.SE · cs.CL · 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{T3ZH7MLMLV4Q44VICALH5O7L62}

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

26 papers in Pith

SWE-Review: Closing the Loop on Issue Resolution with Agentic Code Review

LiteResearcher: A Scalable Agentic RL Training Framework for Deep Research Agent

Forget Without Compromise: Nexus Sampling for Streaming KV-Cache Eviction Under Fixed Budgets

StaminaBench: Stress-Testing Coding Agents over 100 Interaction Turns

From Question Answering to Task Completion: A Survey on Agent System and Harness Design

Receipt and verification

First computed	2026-07-05T10:47:04.458615Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9ef27fb16c5d790e72a810167ebbebf691be5ec383e4a458e0a2f5245efe7d0b

Aliases

arxiv: 2504.07164 · arxiv_version: 2504.07164v1 · doi: 10.48550/arxiv.2504.07164 · pith_short_12: T3ZH7MLMLV4Q · pith_short_16: T3ZH7MLMLV4Q44VI · pith_short_8: T3ZH7MLM

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/T3ZH7MLMLV4Q44VICALH5O7L62 \
  | 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: 9ef27fb16c5d790e72a810167ebbebf691be5ec383e4a458e0a2f5245efe7d0b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "294bcbb6cd841dd2cc410cfd316752427c0170b5de2ca9bd127c314c8670a96e",
    "cross_cats_sorted": [
      "cs.CL",
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2025-04-09T17:55:19Z",
    "title_canon_sha256": "70098fc4624de999c5f149328d433a6d363579285e9b244a7aaf326a47f6c794"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2504.07164",
    "kind": "arxiv",
    "version": 1
  }
}