Pith Number

pith:X3YCNXYZ

pith:2026:X3YCNXYZ6AY2MCTTUEHWP5X6HS

not attested not anchored not stored refs pending

Optimizer Memory Makes Shuffle Order a First-Order Source of Fine-Tuning Noise

John Sweeney

arxiv:2606.29554 v1 · 2026-06-28 · cs.LG · cs.NA · math.NA · math.OC · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{X3YCNXYZ6AY2MCTTUEHWP5X6HS}

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	2026-06-30T01:18:11.763628Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bef026df19f031a60a73a10f67f6fe3cabef9e596d93e773c7c6bd255b22b3fa

Aliases

arxiv: 2606.29554 · arxiv_version: 2606.29554v1 · doi: 10.48550/arxiv.2606.29554 · pith_short_12: X3YCNXYZ6AY2 · pith_short_16: X3YCNXYZ6AY2MCTT · pith_short_8: X3YCNXYZ

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/X3YCNXYZ6AY2MCTTUEHWP5X6HS \
  | 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: bef026df19f031a60a73a10f67f6fe3cabef9e596d93e773c7c6bd255b22b3fa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1aac164232858b791529ac027e5219f477f1da3c2c782b7964f1df6c55d4db35",
    "cross_cats_sorted": [
      "cs.NA",
      "math.NA",
      "math.OC",
      "stat.ML"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-06-28T18:44:08Z",
    "title_canon_sha256": "1df97dd85af081967e10fa5e5ed5f7aa6660848e54e8e393a55eb9399fbb1aec"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.29554",
    "kind": "arxiv",
    "version": 1
  }
}