Pith Number

pith:4VV4O2XC

pith:2026:4VV4O2XCSASKLCDWQICMNPZEL3

not attested not anchored not stored refs pending

N-GRPO: Embedding-Level Neighbor Mixing for Enhanced Policy Optimization

Hang Yu, Linchao Zhu, Peng Di, Xukun Zhu

arxiv:2606.10768 v1 · 2026-06-09 · cs.LG · 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{4VV4O2XCSASKLCDWQICMNPZEL3}

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	2026-06-10T01:10:39.549840Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e56bc76ae29024a588768204c6bf245eee47ef87f98ce475fcb21c32bee10fdd

Aliases

arxiv: 2606.10768 · arxiv_version: 2606.10768v1 · doi: 10.48550/arxiv.2606.10768 · pith_short_12: 4VV4O2XCSASK · pith_short_16: 4VV4O2XCSASKLCDW · pith_short_8: 4VV4O2XC

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/4VV4O2XCSASKLCDWQICMNPZEL3 \
  | 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: e56bc76ae29024a588768204c6bf245eee47ef87f98ce475fcb21c32bee10fdd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3fb22966397eed8205841b285770cb14e8022a4bd6e5342e925c56ae7e24da92",
    "cross_cats_sorted": [
      "cs.CL"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-06-09T12:21:27Z",
    "title_canon_sha256": "6f348922b1e442f7f4f0ce163e541259b9f9f6e026a1421eacb1c7b5c1f0530d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.10768",
    "kind": "arxiv",
    "version": 1
  }
}