Pith Number

pith:NWOPEFVB

pith:2026:NWOPEFVBXJ5QRMEB5U2JNXP6VT

not attested not anchored not stored refs pending

SoftmaxGRPO: Learning to Reason using Softmax Advantage Group Estimation

Chen Wei, Jaywon Koo, Jefferson Hernandez, Vicente Ordonez, Zilin Xiao

arxiv:2608.09271 v1 · 2026-08-10 · cs.LG · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NWOPEFVBXJ5QRMEB5U2JNXP6VT}

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	2026-08-11T02:22:13.309017Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6d9cf216a1ba7b08b081ed3496ddfeacf8407e65a0e432382829e79d428ff7b9

Aliases

arxiv: 2608.09271 · arxiv_version: 2608.09271v1 · doi: 10.48550/arxiv.2608.09271 · pith_short_12: NWOPEFVBXJ5Q · pith_short_16: NWOPEFVBXJ5QRMEB · pith_short_8: NWOPEFVB

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/NWOPEFVBXJ5QRMEB5U2JNXP6VT \
  | 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: 6d9cf216a1ba7b08b081ed3496ddfeacf8407e65a0e432382829e79d428ff7b9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1c04c650fa271179d7c01f2932c5bc6126e608396c54fccd94cc7ac420079dbf",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-08-10T08:27:15Z",
    "title_canon_sha256": "1cee7d3be23b20fb83955e127cd12daa2b42a1b56f6574ca59d2fc7096c32f2a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2608.09271",
    "kind": "arxiv",
    "version": 1
  }
}