Pith Number

pith:XSA2KYMT

pith:2021:XSA2KYMTEG3ONCHLMQPDPAG3UT

not attested not anchored not stored refs pending

DSRC-Enabled Train Safety Communication System at Unmanned Crossings

Carl B. Dietrich, Junsung Choi, Seungyoung Ahn, Vuk Marojevic

arxiv:2104.01727 v1 · 2021-04-05 · eess.SY · cs.SY

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XSA2KYMTEG3ONCHLMQPDPAG3UT}

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	2026-07-05T02:29:02.950741Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bc81a5619321b6e688eb641e3780dba4f788e42645882b9da2be872fd01ea7b1

Aliases

arxiv: 2104.01727 · arxiv_version: 2104.01727v1 · doi: 10.48550/arxiv.2104.01727 · pith_short_12: XSA2KYMTEG3O · pith_short_16: XSA2KYMTEG3ONCHL · pith_short_8: XSA2KYMT

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/XSA2KYMTEG3ONCHLMQPDPAG3UT \
  | 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: bc81a5619321b6e688eb641e3780dba4f788e42645882b9da2be872fd01ea7b1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "aa6bc569f7a99d2e3ad8e0f659d836e56967184158c728e6cbc09db63ae769cb",
    "cross_cats_sorted": [
      "cs.SY"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.SY",
    "submitted_at": "2021-04-05T00:31:05Z",
    "title_canon_sha256": "6dd85bf3cfbe5f0928c9d498c97b1dd2b047705405deccb331ab208ba44052f3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2104.01727",
    "kind": "arxiv",
    "version": 1
  }
}