Pith Number

pith:DN4SJMFX

pith:2025:DN4SJMFXIV72MXJ6J5DOHJ4CCB

not attested not anchored not stored refs pending

An approach to the timetabling problem in deregulated railway markets based on metaheuristic algorithms

David Mu\~noz-Valero, Enrique Adrian Villarrubia-Martin, Juan Moreno-Garcia, Julio Alberto L\'opez-G\'omez, Luis Rodriguez-Benitez

arxiv:2504.17455 v2 · 2025-04-24 · cs.NE · cs.CE

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DN4SJMFXIV72MXJ6J5DOHJ4CCB}

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	2026-07-05T11:32:28.527223Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1b7924b0b7457fa65d3e4f46e3a7821054999741709a080bf7b963e8f62648eb

Aliases

arxiv: 2504.17455 · arxiv_version: 2504.17455v2 · doi: 10.48550/arxiv.2504.17455 · pith_short_12: DN4SJMFXIV72 · pith_short_16: DN4SJMFXIV72MXJ6 · pith_short_8: DN4SJMFX

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/DN4SJMFXIV72MXJ6J5DOHJ4CCB \
  | 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: 1b7924b0b7457fa65d3e4f46e3a7821054999741709a080bf7b963e8f62648eb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e01ed4bf83325ff7f20765e69f32851f2ca23d68de51d1acb8be876e4fcd592a",
    "cross_cats_sorted": [
      "cs.CE"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.NE",
    "submitted_at": "2025-04-24T11:36:39Z",
    "title_canon_sha256": "29f691de619bda5a668cb2a8b35b3f615fd8f8805259eb83a8d0700e1fcc41e5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2504.17455",
    "kind": "arxiv",
    "version": 2
  }
}