Pith Number

pith:HUQ3PKE2

pith:2026:HUQ3PKE2LCC2HKRNUDWICOMIV5

not attested not anchored not stored refs pending

Universal and Parameter-free Gradient Sliding for Composite Optimization

Qi Luo, Yan Wu, Yuyuan Ouyang, Zhe Zhang

arxiv:2603.23492 v2 · 2026-03-24 · 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{HUQ3PKE2LCC2HKRNUDWICOMIV5}

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	2026-05-20T00:03:09.233193Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3d21b7a89a5885a3aa2da0ec813988af63267e2b6596bc2db7394fe178d77916

Aliases

arxiv: 2603.23492 · arxiv_version: 2603.23492v2 · doi: 10.48550/arxiv.2603.23492 · pith_short_12: HUQ3PKE2LCC2 · pith_short_16: HUQ3PKE2LCC2HKRN · pith_short_8: HUQ3PKE2

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/HUQ3PKE2LCC2HKRNUDWICOMIV5 \
  | 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: 3d21b7a89a5885a3aa2da0ec813988af63267e2b6596bc2db7394fe178d77916

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bf432b71a2d0cfafbc0c63fa73fb6ccba53b2ae33d3e895e59da87c01d56f95f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2026-03-24T17:57:36Z",
    "title_canon_sha256": "d3a8e2bff0a46cf6603d9c58076f39748011137c4fb0f0d9fccd1711c6a64910"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2603.23492",
    "kind": "arxiv",
    "version": 2
  }
}