Pith Number

pith:BQKGC6LZ

pith:2017:BQKGC6LZT7JLHDVIMTVQQKM5ZD

not attested not anchored not stored refs pending

A hybrid Lagrangean metaheuristic for the two-machine cross-docking flow shop scheduling problem

Gabriela B. Fonseca, Martin G. Ravetti, Thiago H. Nogueira

arxiv:1702.05603 v3 · 2017-02-18 · 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{BQKGC6LZT7JLHDVIMTVQQKM5ZD}

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	2026-05-17T23:49:12.168401Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0c146179799fd2b38ea864eb08299dc8c3cd810912bbf45c3805bb9a65550f56

Aliases

arxiv: 1702.05603 · arxiv_version: 1702.05603v3 · doi: 10.48550/arxiv.1702.05603 · pith_short_12: BQKGC6LZT7JL · pith_short_16: BQKGC6LZT7JLHDVI · pith_short_8: BQKGC6LZ

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/BQKGC6LZT7JLHDVIMTVQQKM5ZD \
  | 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: 0c146179799fd2b38ea864eb08299dc8c3cd810912bbf45c3805bb9a65550f56

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "16690dc89f1d2174725b984b7f190699ccaa95011a39c5875bce61ed67bd7e50",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2017-02-18T12:01:23Z",
    "title_canon_sha256": "f6693b81945d10d4ace699fb55f6d0fa725ec59a55225f67a1268fd865ea0c6e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1702.05603",
    "kind": "arxiv",
    "version": 3
  }
}