Pith Number

pith:Q2IRTFFE

pith:2017:Q2IRTFFEDEEKMRCJPZXLCZL2BQ

not attested not anchored not stored refs pending

A Globally Linearly Convergent Method for Pointwise Quadratically Supportable Convex-Concave Saddle Point Problems

D. Russell Luke, Ron Shefi

arxiv:1702.08770 v1 · 2017-02-28 · 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{Q2IRTFFEDEEKMRCJPZXLCZL2BQ}

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	2026-05-18T00:05:14.730482Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

86911994a41908a644497e6eb1657a0c341e7c42fa2fcc8a4c12bc1545c820cf

Aliases

arxiv: 1702.08770 · arxiv_version: 1702.08770v1 · doi: 10.48550/arxiv.1702.08770 · pith_short_12: Q2IRTFFEDEEK · pith_short_16: Q2IRTFFEDEEKMRCJ · pith_short_8: Q2IRTFFE

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/Q2IRTFFEDEEKMRCJPZXLCZL2BQ \
  | 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: 86911994a41908a644497e6eb1657a0c341e7c42fa2fcc8a4c12bc1545c820cf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "959bdcabc5cdfcbc6700eaa76afac1d35f14706c763d9275b32899bbee8fd45c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2017-02-28T12:50:46Z",
    "title_canon_sha256": "44cad6faf8a3d12ccbcbb07deab62dece82a60e62e86831bfb023e0bddad26b3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1702.08770",
    "kind": "arxiv",
    "version": 1
  }
}