Pith Number

pith:HUE2GVVT

pith:2025:HUE2GVVTUWXKDBWEYSYJE5Q3SQ

not attested not anchored not stored refs pending

Efficient Optimization with Orthogonality Constraint: a Randomized Riemannian Submanifold Method

Akiko Takeda, Andi Han, Pierre-Louis Poirion

arxiv:2505.12378 v1 · 2025-05-18 · math.OC · cs.LG · 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{HUE2GVVTUWXKDBWEYSYJE5Q3SQ}

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

1 paper in Pith

LOFT: Low-Rank Orthogonal Fine-Tuning via Task-Aware Support Selection

Receipt and verification

First computed	2026-07-05T11:05:03.327756Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3d09a356b3a5aea186c4c4b092761b942f5d76cafcac893461197759be738830

Aliases

arxiv: 2505.12378 · arxiv_version: 2505.12378v1 · doi: 10.48550/arxiv.2505.12378 · pith_short_12: HUE2GVVTUWXK · pith_short_16: HUE2GVVTUWXKDBWE · pith_short_8: HUE2GVVT

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/HUE2GVVTUWXKDBWEYSYJE5Q3SQ \
  | 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: 3d09a356b3a5aea186c4c4b092761b942f5d76cafcac893461197759be738830

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "170505979eaebcd6014633415b3a70aa434ad69457935cf3f142e1f1a25abd35",
    "cross_cats_sorted": [
      "cs.LG",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2025-05-18T11:46:44Z",
    "title_canon_sha256": "58fb62bbf03b0fec3e2a9f4f943774fdd9ce8658e6c73fb59a797226c6f503e6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.12378",
    "kind": "arxiv",
    "version": 1
  }
}