Pith Number

pith:MBCAV6GV

pith:2026:MBCAV6GVEXG5YEA7RHPRVRTCCI

not attested not anchored not stored refs pending

PoLoRA: A Preconditioned Orthogonalized LoRA Optimizer

Nikhil Ghosh, Robert M. Gower, Tetiana Parshakova

arxiv:2607.17620 v1 · 2026-07-20 · cs.LG · cs.CL · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MBCAV6GVEXG5YEA7RHPRVRTCCI}

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	2026-07-21T01:21:55.542738Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

60440af8d525cddc101f89df1ac662123b23c9232ede9876e795b2a3cdf175bc

Aliases

arxiv: 2607.17620 · arxiv_version: 2607.17620v1 · doi: 10.48550/arxiv.2607.17620 · pith_short_12: MBCAV6GVEXG5 · pith_short_16: MBCAV6GVEXG5YEA7 · pith_short_8: MBCAV6GV

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/MBCAV6GVEXG5YEA7RHPRVRTCCI \
  | 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: 60440af8d525cddc101f89df1ac662123b23c9232ede9876e795b2a3cdf175bc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6da4deaa8f6c6b5ac84856625759d596b8874d430aab09e3e18249ce09860af0",
    "cross_cats_sorted": [
      "cs.CL",
      "math.OC"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-07-20T07:16:31Z",
    "title_canon_sha256": "03b536de34a54d9a1bfacdab8299e443c2296c08c0779f1a5db0f303a1b46e57"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.17620",
    "kind": "arxiv",
    "version": 1
  }
}