Pith Number

pith:POJTVQN4

pith:2014:POJTVQN4MOXLJV4FILTEMT5ZI7

not attested not anchored not stored refs pending

An Inexact Uzawa Algorithm for Generalized Saddle-Point Problems and Its Convergence

Hua Xiang, Jun Zou, Kazufumi Ito

arxiv:1408.5547 v1 · 2014-08-24 · math.NA

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{POJTVQN4MOXLJV4FILTEMT5ZI7}

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	2026-05-18T02:44:24.869473Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7b933ac1bc63aeb4d78542e6464fb947f3db236f669868420ecfdfea3a370cec

Aliases

arxiv: 1408.5547 · arxiv_version: 1408.5547v1 · doi: 10.48550/arxiv.1408.5547 · pith_short_12: POJTVQN4MOXL · pith_short_16: POJTVQN4MOXLJV4F · pith_short_8: POJTVQN4

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/POJTVQN4MOXLJV4FILTEMT5ZI7 \
  | 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: 7b933ac1bc63aeb4d78542e6464fb947f3db236f669868420ecfdfea3a370cec

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6ffcfe6cf1f6b3bcb076e470e4d363e0d674e6568ff0cfd4509e60e2aea00b03",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2014-08-24T03:25:12Z",
    "title_canon_sha256": "a0e35717c01123cfbf55e4b6e1aee33dbf5a8b19070054b9fb420ce6e6ff4dcc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1408.5547",
    "kind": "arxiv",
    "version": 1
  }
}