Pith Number

pith:DV3RCMSG

pith:2026:DV3RCMSGJPFXENWOSOFM5K7UEV

not attested not anchored not stored refs pending

Hyperparameter Transfer with Mixture-of-Expert Layers

Blake Bordelon, Boris Hanin, Cengiz Pehlevan, Tianze Jiang

arxiv:2601.20205 v3 · 2026-01-28 · 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{DV3RCMSGJPFXENWOSOFM5K7UEV}

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

6 papers in Pith

Spectral Dynamics in Deep Networks: Feature Learning, Outlier Escape, and Learning Rate Transfer

Quantifying Hyperparameter Transfer and the Importance of Embedding Layer Learning Rate

How to Scale Mixture-of-Experts: From muP to the Maximally Scale-Stable Parameterization

Hyperparameter Transfer for Dense Associative Memories

There Will Be a Scientific Theory of Deep Learning

Receipt and verification

First computed	2026-05-22T02:04:39.100008Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1d771132464bcb7236ce938aceabf425740033f551ee3820ccbd0bc4cc2918e9

Aliases

arxiv: 2601.20205 · arxiv_version: 2601.20205v3 · doi: 10.48550/arxiv.2601.20205 · pith_short_12: DV3RCMSGJPFX · pith_short_16: DV3RCMSGJPFXENWO · pith_short_8: DV3RCMSG

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/DV3RCMSGJPFXENWOSOFM5K7UEV \
  | 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: 1d771132464bcb7236ce938aceabf425740033f551ee3820ccbd0bc4cc2918e9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dd4e3931644a53159d8803c5c0821ad39c48fd24b49896b0a3680f09928cc352",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-01-28T03:02:30Z",
    "title_canon_sha256": "03516cb2a06e1efcf98f2755ddb6a1be3492a907bd02395ab50aabca998a1df4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2601.20205",
    "kind": "arxiv",
    "version": 3
  }
}