Pith Number

pith:ILHP74PG

pith:2026:ILHP74PGQZOS4SYTST5X4FFPFB

not attested not anchored not stored refs pending

MMR-GRPO: Accelerating GRPO-Style Training through Diversity-Aware Reward Reweighting

Kangda Wei, Ruihong Huang

arxiv:2601.09085 v2 · 2026-01-14 · cs.LG · cs.AI · cs.CL · cs.IR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ILHP74PGQZOS4SYTST5X4FFPFB}

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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

Why Semantic Entropy Fails: Geometry-Aware and Calibrated Uncertainty for Policy Optimization

Leveraging Error Diversity in Group Rollouts for Reinforcement Learning

Receipt and verification

First computed	2026-06-09T01:05:12.603979Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

42cefff1e6865d2e4b1394fb7e14af284946465ef890543292792aa0c5bbd6d0

Aliases

arxiv: 2601.09085 · arxiv_version: 2601.09085v2 · doi: 10.48550/arxiv.2601.09085 · pith_short_12: ILHP74PGQZOS · pith_short_16: ILHP74PGQZOS4SYT · pith_short_8: ILHP74PG

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/ILHP74PGQZOS4SYTST5X4FFPFB \
  | 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: 42cefff1e6865d2e4b1394fb7e14af284946465ef890543292792aa0c5bbd6d0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2404a6976c56612648fbac1a774c415748f525bb59a70ab3994ea333fc14c44d",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.CL",
      "cs.IR"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-01-14T02:35:19Z",
    "title_canon_sha256": "6f520fcecbe667c45e4c757cea65e983242b195c1fb05ecf8f84113013888846"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2601.09085",
    "kind": "arxiv",
    "version": 2
  }
}