Pith Number

pith:EMDFIXXJ

pith:2015:EMDFIXXJJEBG2KNRLALDFYIVY6

not attested not anchored not stored refs pending

Tight MIQP Reformulations for Semi-Continuous Quadratic Programming: Lift-and-Convexification Approach

Baiyi Wu, Duan Li, Xiaojin Zheng, Xiaoling Sun

arxiv:1507.05708 v1 · 2015-07-21 · 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{EMDFIXXJJEBG2KNRLALDFYIVY6}

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	2026-05-18T00:38:40.167852Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2306545ee949026d29b1581632e115c783531949e7aa94eb3e9ac97a34dd9e42

Aliases

arxiv: 1507.05708 · arxiv_version: 1507.05708v1 · doi: 10.48550/arxiv.1507.05708 · pith_short_12: EMDFIXXJJEBG · pith_short_16: EMDFIXXJJEBG2KNR · pith_short_8: EMDFIXXJ

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/EMDFIXXJJEBG2KNRLALDFYIVY6 \
  | 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: 2306545ee949026d29b1581632e115c783531949e7aa94eb3e9ac97a34dd9e42

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "504c9fee24e4cb59c6fee2987e85feea1301b100c03a890f7f2b538ebcaef0c7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2015-07-21T04:52:09Z",
    "title_canon_sha256": "88a6f063e953ea13e7aff8e70e74e35d3245f07cd452c4f146dbc6a20646e389"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.05708",
    "kind": "arxiv",
    "version": 1
  }
}