Pith Number

pith:HGVJ3LMR

pith:2012:HGVJ3LMRMOWOEJB7FGKWG5TN7Q

not attested not anchored not stored refs pending

Linear Programming Relaxations of Quadratically Constrained Quadratic Programs

Andrea Qualizza, Francois Margot, Pietro Belotti

arxiv:1206.1633 v1 · 2012-06-07 · math.CO · cs.DM · 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{HGVJ3LMRMOWOEJB7FGKWG5TN7Q}

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	2026-05-18T03:52:27.802529Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

39aa9dad9163ace2243f299563766dfc212ed10abf0537b48c99878c5958bb37

Aliases

arxiv: 1206.1633 · arxiv_version: 1206.1633v1 · doi: 10.48550/arxiv.1206.1633 · pith_short_12: HGVJ3LMRMOWO · pith_short_16: HGVJ3LMRMOWOEJB7 · pith_short_8: HGVJ3LMR

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/HGVJ3LMRMOWOEJB7FGKWG5TN7Q \
  | 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: 39aa9dad9163ace2243f299563766dfc212ed10abf0537b48c99878c5958bb37

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "aa12c1c5534a0ce5dcbff02341b59d4ac3969edeef2ca443cc9b8cde54d4cf83",
    "cross_cats_sorted": [
      "cs.DM",
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2012-06-07T22:07:25Z",
    "title_canon_sha256": "60e9ef1927462e7e625aaed228bdeaeeaf625f8af7a5e589e7a95ece441e80b7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1206.1633",
    "kind": "arxiv",
    "version": 1
  }
}