pith. sign in
Pith Number

pith:34VLYLEM

pith:2018:34VLYLEMHJ653MZUNY44FJ2AX3
not attested not anchored not stored refs pending

Analysis of directional antenna for railroad crossing safety applications

Carl Dietrich, Christopher R Anderson, Jared Withers, Jeffrey H Reed, Junsung Choi, Randall Nealy, Sayantan Guha, Xiaofu Ma

arxiv:1812.02146 v1 · 2018-12-04 · eess.SP

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{34VLYLEMHJ653MZUNY44FJ2AX3}

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 2026-05-17T23:58:59.629688Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

df2abc2c8c3a7dddb3346e39c2a740bee03a57f28f5a1ac75979c9a0cc643e05

Aliases

arxiv: 1812.02146 · arxiv_version: 1812.02146v1 · doi: 10.48550/arxiv.1812.02146 · pith_short_12: 34VLYLEMHJ65 · pith_short_16: 34VLYLEMHJ653MZU · pith_short_8: 34VLYLEM
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/34VLYLEMHJ653MZUNY44FJ2AX3 \
  | 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: df2abc2c8c3a7dddb3346e39c2a740bee03a57f28f5a1ac75979c9a0cc643e05
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "1149567005ba4ec8169b30b274343a42487d53a66056f0865c4966a3e846e556",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2018-12-04T07:13:12Z",
    "title_canon_sha256": "9858696fab3aa5bb29a4f1b6034183d44911a9114514803fceb646cd930dc7b2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.02146",
    "kind": "arxiv",
    "version": 1
  }
}