Pith Number

pith:RLEAZWBE

pith:2023:RLEAZWBEEWAXFN32WPFBKHGKV2

not attested not anchored not stored refs pending

A squared smoothing Newton method for semidefinite programming

Defeng Sun, Kim-Chuan Toh, Ling Liang

arxiv:2303.05825 v4 · 2023-03-10 · 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{RLEAZWBEEWAXFN32WPFBKHGKV2}

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	2026-07-05T09:17:10.054610Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8ac80cd824258172b77ab3ca151ccaae85de5b7922afcead4241bb4252a29592

Aliases

arxiv: 2303.05825 · arxiv_version: 2303.05825v4 · doi: 10.48550/arxiv.2303.05825 · pith_short_12: RLEAZWBEEWAX · pith_short_16: RLEAZWBEEWAXFN32 · pith_short_8: RLEAZWBE

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/RLEAZWBEEWAXFN32WPFBKHGKV2 \
  | 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: 8ac80cd824258172b77ab3ca151ccaae85de5b7922afcead4241bb4252a29592

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "005b92af4192bfe8161ceadd3c0f9872fdc31c14792d8eecc09766869a161f91",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2023-03-10T10:01:00Z",
    "title_canon_sha256": "383b42f11b32c59b90732f0c4b792938679f4c4d8ac37f5dfcb213ac3ffb1a44"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2303.05825",
    "kind": "arxiv",
    "version": 4
  }
}