Pith Number

pith:UP5NKZWF

pith:2015:UP5NKZWFOMKTGTQYK6FYW5MKA2

not attested not anchored not stored refs pending

A semi-smooth Newton method for solving convex quadratic programming problem under simplicial cone constraint

J. G. Barrios, O. P. Ferreira, S. Z. N\'emeth

arxiv:1503.02753 v1 · 2015-03-10 · 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{UP5NKZWFOMKTGTQYK6FYW5MKA2}

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	2026-05-18T02:25:13.197971Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a3fad566c57315334e18578b8b758a06b824ec370b242f4aaec2f4d0463bd3e6

Aliases

arxiv: 1503.02753 · arxiv_version: 1503.02753v1 · doi: 10.48550/arxiv.1503.02753 · pith_short_12: UP5NKZWFOMKT · pith_short_16: UP5NKZWFOMKTGTQY · pith_short_8: UP5NKZWF

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/UP5NKZWFOMKTGTQYK6FYW5MKA2 \
  | 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: a3fad566c57315334e18578b8b758a06b824ec370b242f4aaec2f4d0463bd3e6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "49eb807645a3110edf3cdcc0e11d8e7209d814072008f1abbe158da152f5e2c1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2015-03-10T02:17:57Z",
    "title_canon_sha256": "1e2c8d5098256a673cac80a074347636320de8dfeff64efb4ec408aa9f47eea2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.02753",
    "kind": "arxiv",
    "version": 1
  }
}