Pith Number

pith:ICNGAHN4

pith:2025:ICNGAHN4XOWYNA5VHNRAPKSMRR

not attested not anchored not stored refs pending

A model for pricing freight rail transport access costs: economic and environmental perspectives

Esteve Codina, Jos\'e \'Angel Mart\'in-Baos, Luis Cadarso, Mar\'ia Luz L\'opez-Garc\'ia, Ricardo Garc\'ia-R\'odenas

arxiv:2504.04257 v1 · 2025-04-05 · 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{ICNGAHN4XOWYNA5VHNRAPKSMRR}

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	2026-07-05T10:44:56.561022Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

409a601dbcbbad8683b53b6207aa4c8c469922caa7af0c858f4f3b071b14c3b1

Aliases

arxiv: 2504.04257 · arxiv_version: 2504.04257v1 · doi: 10.48550/arxiv.2504.04257 · pith_short_12: ICNGAHN4XOWY · pith_short_16: ICNGAHN4XOWYNA5V · pith_short_8: ICNGAHN4

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/ICNGAHN4XOWYNA5VHNRAPKSMRR \
  | 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: 409a601dbcbbad8683b53b6207aa4c8c469922caa7af0c858f4f3b071b14c3b1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ad6ef21271b21c6f37c43a66849d001e607508f1b3f2f294e9e1bfff26d253e3",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2025-04-05T19:31:45Z",
    "title_canon_sha256": "842b885c20440efd3bd930cce40fbcb32c23d1ecf48ad5af7921bb4616a3b1f5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2504.04257",
    "kind": "arxiv",
    "version": 1
  }
}