Pith Number

pith:UWTCHT2W

pith:2026:UWTCHT2WES2KIYALDQV3SAWGPH

not attested not anchored not stored refs pending

Distributed Gradient-Regularized Newton Method: Scheduled Consensus and O(epsilon^{-1}) Global Iteration Complexity

Li Zhang, Pengcheng Xie, Wei Hu, Ya-Xiang Yuan

arxiv:2605.19396 v1 · 2026-05-19 · 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{UWTCHT2WES2KIYALDQV3SAWGPH}

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	2026-05-20T01:05:43.570570Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a5a623cf5624b4a4600b1c2bb902c679f935634de92a521787dc408e96472036

Aliases

arxiv: 2605.19396 · arxiv_version: 2605.19396v1 · doi: 10.48550/arxiv.2605.19396 · pith_short_12: UWTCHT2WES2K · pith_short_16: UWTCHT2WES2KIYAL · pith_short_8: UWTCHT2W

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/UWTCHT2WES2KIYALDQV3SAWGPH \
  | 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: a5a623cf5624b4a4600b1c2bb902c679f935634de92a521787dc408e96472036

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "113437f8f790a874a43f36b984063081b89526f51e7c53601a0ec52078612f88",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2026-05-19T05:44:34Z",
    "title_canon_sha256": "f389bcca3c9211eb562814894c0c6e41e6eb0f0033e102915ed1fbfbea4c1280"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.19396",
    "kind": "arxiv",
    "version": 1
  }
}