Pith Number

pith:AJ6SMGUX

pith:2014:AJ6SMGUXSLRR7GEXFYLMJGTWBF

not attested not anchored not stored refs pending

Eigenvalue, Quadratic Programming, and Semidefinite Programming Bounds for a Cut Minimization Problem

Hao Sun, Henry Wolkowicz, Ningchuan Wang, Ting Kei Pong

arxiv:1401.5170 v2 · 2014-01-21 · 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{AJ6SMGUXSLRR7GEXFYLMJGTWBF}

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	2026-05-18T02:34:45.010790Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

027d261a9792e31f98972e16c49a76097be1f18648b7caf47fe91ee2223d33d9

Aliases

arxiv: 1401.5170 · arxiv_version: 1401.5170v2 · doi: 10.48550/arxiv.1401.5170 · pith_short_12: AJ6SMGUXSLRR · pith_short_16: AJ6SMGUXSLRR7GEX · pith_short_8: AJ6SMGUX

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/AJ6SMGUXSLRR7GEXFYLMJGTWBF \
  | 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: 027d261a9792e31f98972e16c49a76097be1f18648b7caf47fe91ee2223d33d9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b5827ce260ae57fba33b0a6e481c165bc0259de96b0fd6d4aceb4a649cad28d5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2014-01-21T04:04:01Z",
    "title_canon_sha256": "a307b6fa3535c63308d818dc623307f7095646958ac9db72dbcab571d3c1288c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.5170",
    "kind": "arxiv",
    "version": 2
  }
}