Pith Number

pith:IZSJSVY5

pith:2025:IZSJSVY5LTCSAVDLBIUPRPNCXE

not attested not anchored not stored refs pending

Practice-Based Optimization for the Strategic Locomotive Assignment Problem

Amira Hijazi, Kevin Dalmeijer, Pascal Van Hentenryck, Yunji Kim

arxiv:2507.22235 v1 · 2025-07-29 · 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{IZSJSVY5LTCSAVDLBIUPRPNCXE}

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.

Cited by

2 papers in Pith

Fusing Backdoors, Machine Learning, and Optimization for Large-Scale Parametric Mixed-Integer Programs

ID-PaS+ : Identity-Aware Predict-and-Search for General Mixed-Integer Linear Programs

Receipt and verification

First computed	2026-07-05T11:45:18.950654Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

466499571d5cc520546b0a28f8bda2b93ca69aaf81fc2b80841951949f6ab5a4

Aliases

arxiv: 2507.22235 · arxiv_version: 2507.22235v1 · doi: 10.48550/arxiv.2507.22235 · pith_short_12: IZSJSVY5LTCS · pith_short_16: IZSJSVY5LTCSAVDL · pith_short_8: IZSJSVY5

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/IZSJSVY5LTCSAVDLBIUPRPNCXE \
  | 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: 466499571d5cc520546b0a28f8bda2b93ca69aaf81fc2b80841951949f6ab5a4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "459e76c4cccf08d752e52b47b8198a8eba3ce0157cf2957af50f92379b1de0a3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2025-07-29T21:07:36Z",
    "title_canon_sha256": "4011d26fb9a934632d7a7a9f90bc23ac8843a11509981c4dfe4ae6e6da1a9d5e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.22235",
    "kind": "arxiv",
    "version": 1
  }
}