Pith Number

pith:6WEZTCPM

pith:2013:6WEZTCPMWFVCA7NJMWS744FGTG

not attested not anchored not stored refs pending

A Revisit to Quadratic Programming with One Inequality Quadratic Constraint via Matrix Pencil

Gang-Xuan Lin, Ruey-Lin Sheu, Yong Hsia

arxiv:1312.1400 v1 · 2013-12-05 · 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{6WEZTCPMWFVCA7NJMWS744FGTG}

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	2026-05-18T00:56:53.393890Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f5899989ecb16a207da965a5fe70a69984b1ae9daaa68df8ac9be6f2c8767807

Aliases

arxiv: 1312.1400 · arxiv_version: 1312.1400v1 · doi: 10.48550/arxiv.1312.1400 · pith_short_12: 6WEZTCPMWFVC · pith_short_16: 6WEZTCPMWFVCA7NJ · pith_short_8: 6WEZTCPM

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/6WEZTCPMWFVCA7NJMWS744FGTG \
  | 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: f5899989ecb16a207da965a5fe70a69984b1ae9daaa68df8ac9be6f2c8767807

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "25218b9501940c38151583ab3aae8100930e398254cc92b47f94fa832fc61fac",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2013-12-05T00:55:24Z",
    "title_canon_sha256": "1f07510fb69c3a7edfe3f67786645a658058a829f06bc08eeecc4f33212a631f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1312.1400",
    "kind": "arxiv",
    "version": 1
  }
}