Pith Number

pith:XLXJZ6AY

pith:2022:XLXJZ6AYCMTKVUGFWYIUT5NLIC

not attested not anchored not stored refs pending

Tightening Quadratic Convex Relaxations for the AC Optimal Transmission Switching Problem

Cheng Guo, Harsha Nagarajan, Merve Bodur

arxiv:2212.12097 v3 · 2022-12-23 · math.OC · cs.SY · eess.SY

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XLXJZ6AYCMTKVUGFWYIUT5NLIC}

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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.

Cited by

1 paper in Pith

Copositive Matrices with Ordered Off-Diagonal Entries

Receipt and verification

First computed	2026-07-05T11:16:47.044930Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

baee9cf8181326aad0c5b61149f5ab40a45e28949ccb142d3e41662ab6c12e6a

Aliases

arxiv: 2212.12097 · arxiv_version: 2212.12097v3 · doi: 10.48550/arxiv.2212.12097 · pith_short_12: XLXJZ6AYCMTK · pith_short_16: XLXJZ6AYCMTKVUGF · pith_short_8: XLXJZ6AY

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/XLXJZ6AYCMTKVUGFWYIUT5NLIC \
  | 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: baee9cf8181326aad0c5b61149f5ab40a45e28949ccb142d3e41662ab6c12e6a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8399239b7df60b8cd2bdc42e50482bb46f1cdd1c8a8ca1d6cb82654702825eed",
    "cross_cats_sorted": [
      "cs.SY",
      "eess.SY"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2022-12-23T01:08:06Z",
    "title_canon_sha256": "95d38db874b4bd01f220ffb6dba71eadf1e59570f688b51f682cb0c7f145c070"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2212.12097",
    "kind": "arxiv",
    "version": 3
  }
}