Pith Number

pith:I4QUDRMX

pith:2021:I4QUDRMXYZBDPHZYDDHW3PRVCC

not attested not anchored not stored refs pending

A LP relaxation based matheuristic for multi-objective integer programming

Duleabom An, Fabien Tricoire, Markus Sinnl, Sophie N. Parragh

arxiv:2102.03582 v1 · 2021-02-06 · 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{I4QUDRMXYZBDPHZYDDHW3PRVCC}

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	2026-07-05T02:13:25.239823Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

472141c597c642379f3818cf6dbe3510ab88a646c7a70b168bf8215c1a1cd922

Aliases

arxiv: 2102.03582 · arxiv_version: 2102.03582v1 · doi: 10.48550/arxiv.2102.03582 · pith_short_12: I4QUDRMXYZBD · pith_short_16: I4QUDRMXYZBDPHZY · pith_short_8: I4QUDRMX

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/I4QUDRMXYZBDPHZYDDHW3PRVCC \
  | 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: 472141c597c642379f3818cf6dbe3510ab88a646c7a70b168bf8215c1a1cd922

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "81323b7c10f9f2677fc37d8e28754cbc93dc34cbcc1da58a643827435aed36e1",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2021-02-06T13:18:13Z",
    "title_canon_sha256": "b853aa8c3013dbc4aec659604badcd48f2b721117fb8769da013bd1880a62312"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2102.03582",
    "kind": "arxiv",
    "version": 1
  }
}