Pith Number

pith:KKUM4SAK

pith:2018:KKUM4SAKP3GUMUBCU3ZHGVY6GG

not attested not anchored not stored refs pending

Efficient treatment of bilinear forms in global optimization

Jon Lee, Marcia Fampa

arxiv:1803.07625 v1 · 2018-03-20 · 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{KKUM4SAKP3GUMUBCU3ZHGVY6GG}

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	2026-05-18T00:20:29.399954Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

52a8ce480a7ecd465022a6f273571e31a29e5f613aa12f9c46123d9cfca771f4

Aliases

arxiv: 1803.07625 · arxiv_version: 1803.07625v1 · doi: 10.48550/arxiv.1803.07625 · pith_short_12: KKUM4SAKP3GU · pith_short_16: KKUM4SAKP3GUMUBC · pith_short_8: KKUM4SAK

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/KKUM4SAKP3GUMUBCU3ZHGVY6GG \
  | 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: 52a8ce480a7ecd465022a6f273571e31a29e5f613aa12f9c46123d9cfca771f4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8bf0c835a7b425ac95553b1e233502db93613b7f187b5cd9518664e1e7aa1b6e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2018-03-20T19:53:03Z",
    "title_canon_sha256": "f7f043dd5b682f023d7335268a57c8308856f2d0f9f7169a43dbde18e297f529"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.07625",
    "kind": "arxiv",
    "version": 1
  }
}