Pith Number

pith:4OLEO2A4

pith:2018:4OLEO2A4CSI2HLSO2VM6OWLYCE

not attested not anchored not stored refs pending

Convergence of a Solution Algorithm in Indefinite Quadratic Programming

Nguyen Dong Yen, Tran Hung Cuong, Yongdo Lim

arxiv:1810.02044 v1 · 2018-10-04 · 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{4OLEO2A4CSI2HLSO2VM6OWLYCE}

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	2026-05-18T00:04:06.481067Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e39647681c1491a3ae4ed559e75978110a801abdcccd9e370c09022f3d7cc2e9

Aliases

arxiv: 1810.02044 · arxiv_version: 1810.02044v1 · doi: 10.48550/arxiv.1810.02044 · pith_short_12: 4OLEO2A4CSI2 · pith_short_16: 4OLEO2A4CSI2HLSO · pith_short_8: 4OLEO2A4

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/4OLEO2A4CSI2HLSO2VM6OWLYCE \
  | 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: e39647681c1491a3ae4ed559e75978110a801abdcccd9e370c09022f3d7cc2e9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "87fd179366627e86bdc1584029d9d831b0d43e8b7f6f3481403e56dc77e3ba8e",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2018-10-04T03:52:40Z",
    "title_canon_sha256": "77d665607cc65f1ea8eb24548b57ccfbf43431b35530d6aedcdb92f7c52f9566"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.02044",
    "kind": "arxiv",
    "version": 1
  }
}