Pith Number

pith:GIKSL5R7

pith:2025:GIKSL5R7OXS2E5PBS2Z6E3GVGT

not attested not anchored not stored refs pending

LiMuon: Light and Fast Muon Optimizer for Large Models

Feihu Huang, Songcan Chen, Yuning Luo

arxiv:2509.14562 v3 · 2025-09-18 · cs.LG · math.OC

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Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GIKSL5R7OXS2E5PBS2Z6E3GVGT}

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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

6 papers in Pith

Symmetry-Compatible Principle for Optimizer Design: Embeddings, LM Heads, SwiGLU MLPs, and MoE Routers

MiMuon: Mixed Muon Optimizer with Improved Generalization for Large Models

LionMuon: Alternating Spectral and Sign Descent for Efficient Training

MuonEq: Balancing Before Orthogonalization with Lightweight Equilibration

When and Why SignSGD Outperforms SGD: A Theoretical Study Based on $\ell_1$-norm Lower Bounds

Receipt and verification

First computed	2026-06-01T01:02:20.746492Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

321525f63f75e5a275e196b3e26cd534c6013047fe667098875dd736cb24cce8

Aliases

arxiv: 2509.14562 · arxiv_version: 2509.14562v3 · doi: 10.48550/arxiv.2509.14562 · pith_short_12: GIKSL5R7OXS2 · pith_short_16: GIKSL5R7OXS2E5PB · pith_short_8: GIKSL5R7

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/GIKSL5R7OXS2E5PBS2Z6E3GVGT \
  | 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: 321525f63f75e5a275e196b3e26cd534c6013047fe667098875dd736cb24cce8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1e3b8bedc5c9fcc2fd7f63c7704ffcde1879750904718ab6339ff20adb575169",
    "cross_cats_sorted": [
      "math.OC"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2025-09-18T02:49:27Z",
    "title_canon_sha256": "b41447fb80b2283531571d91210766eb11eab7326b8834fcf0cdc0ad65d692d7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2509.14562",
    "kind": "arxiv",
    "version": 3
  }
}