Pith Number

pith:WQIDCOUO

pith:2014:WQIDCOUOX5L6DHBRYEDMRDFQVR

not attested not anchored not stored refs pending

How to Convexify the Intersection of a Second Order Cone and a Nonconvex Quadratic

Fatma Kilinc-Karzan, Sam Burer

arxiv:1406.1031 v3 · 2014-06-04 · 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{WQIDCOUOX5L6DHBRYEDMRDFQVR}

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	2026-05-18T01:14:09.543890Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b410313a8ebf57e19c31c106c88cb0ac4f117e46f183d2e406d9f04883444857

Aliases

arxiv: 1406.1031 · arxiv_version: 1406.1031v3 · doi: 10.48550/arxiv.1406.1031 · pith_short_12: WQIDCOUOX5L6 · pith_short_16: WQIDCOUOX5L6DHBR · pith_short_8: WQIDCOUO

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/WQIDCOUOX5L6DHBRYEDMRDFQVR \
  | 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: b410313a8ebf57e19c31c106c88cb0ac4f117e46f183d2e406d9f04883444857

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4c531011ea3b0d548cd06ab214c870770294b2e119cf9380d6a582ba589b397f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2014-06-04T13:01:23Z",
    "title_canon_sha256": "7a78a69471659584b62c8382caffa795c155d782b54f1b698406da94266660c0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1406.1031",
    "kind": "arxiv",
    "version": 3
  }
}