Pith Number

pith:GFJRHTTF

pith:2018:GFJRHTTFA47AA2KALH3XYWDN5Y

not attested not anchored not stored refs pending

A New Uzawa-exact Type Algorithm for Nonsymmetric Saddle Point Problems

Li Gao, Ting Jiang, Zhitao Xu

arxiv:1802.04135 v2 · 2018-02-12 · 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{GFJRHTTFA47AA2KALH3XYWDN5Y}

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	2026-05-18T00:23:04.667632Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

315313ce65073e00694059f77c586dee2d8fead7543da16fd160109b04d30b10

Aliases

arxiv: 1802.04135 · arxiv_version: 1802.04135v2 · doi: 10.48550/arxiv.1802.04135 · pith_short_12: GFJRHTTFA47A · pith_short_16: GFJRHTTFA47AA2KA · pith_short_8: GFJRHTTF

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/GFJRHTTFA47AA2KALH3XYWDN5Y \
  | 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: 315313ce65073e00694059f77c586dee2d8fead7543da16fd160109b04d30b10

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f9139dee4752c58aa5cd8b0e8faa870e2088c2cb57980c05502677569a53f396",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2018-02-12T15:46:53Z",
    "title_canon_sha256": "e367b7597b4ba4c1c3a8ef9e9dd114925695fdf15d5ece3631636d9a334a1ea3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.04135",
    "kind": "arxiv",
    "version": 2
  }
}