Pith Number

pith:KZWLSFE7

pith:2025:KZWLSFE7BQ7TRYW5CQGAETVJPZ

not attested not anchored not stored refs pending

Efficient Primal Heuristics for Mixed Binary Quadratic Programs Using Suboptimal Rounding Guidance

Bistra Dilkina, Draguna L Vrabie, Jan Drgona, Natalie M. Isenberg, Weimin Huang

arxiv:2501.05052 v2 · 2025-01-09 · 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{KZWLSFE7BQ7TRYW5CQGAETVJPZ}

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	2026-07-05T11:39:47.121506Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

566cb9149f0c3f38e2dd140c024ea97e73c0c3689843ff474688c9d719dde189

Aliases

arxiv: 2501.05052 · arxiv_version: 2501.05052v2 · doi: 10.48550/arxiv.2501.05052 · pith_short_12: KZWLSFE7BQ7T · pith_short_16: KZWLSFE7BQ7TRYW5 · pith_short_8: KZWLSFE7

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/KZWLSFE7BQ7TRYW5CQGAETVJPZ \
  | 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: 566cb9149f0c3f38e2dd140c024ea97e73c0c3689843ff474688c9d719dde189

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "545c4f84f32caa8190fcc0f3c76a983fa54858aa908dea9a0619e95594d98fc3",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2025-01-09T08:20:43Z",
    "title_canon_sha256": "143e1ccad25a98b65ccffc8300f5b9e42122d5f93a76993f7474dba7702a89b1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2501.05052",
    "kind": "arxiv",
    "version": 2
  }
}