Pith Number

pith:IS5OW2CE

pith:2014:IS5OW2CERQ6FRTLDX7NKL5GRII

not attested not anchored not stored refs pending

An SDP Approach For Solving Quadratic Fractional Programming Problems

Ruey-Lin Sheu, Van-Bong Nguyen, Yong Xia

arxiv:1402.4198 v1 · 2014-02-18 · 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{IS5OW2CERQ6FRTLDX7NKL5GRII}

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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	2026-05-18T02:58:44.555763Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

44baeb68448c3c58cd63bfdaa5f4d142290f61b646a66b94480c8a42b2a04457

Aliases

arxiv: 1402.4198 · arxiv_version: 1402.4198v1 · doi: 10.48550/arxiv.1402.4198 · pith_short_12: IS5OW2CERQ6F · pith_short_16: IS5OW2CERQ6FRTLD · pith_short_8: IS5OW2CE

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/IS5OW2CERQ6FRTLDX7NKL5GRII \
  | 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: 44baeb68448c3c58cd63bfdaa5f4d142290f61b646a66b94480c8a42b2a04457

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0c6a0dac4315f41f183f071440b91fdb27363cb9aa22ad70e9e2815fd08adf81",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2014-02-18T01:07:23Z",
    "title_canon_sha256": "d10e2a865ad85d2721faf4a497366b626253f7c74b273f24a4ed8dd1659f1e07"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1402.4198",
    "kind": "arxiv",
    "version": 1
  }
}