Pith Number

pith:LL4NGOVZ

pith:2021:LL4NGOVZCGJISMZSC443ZWIGOO

not attested not anchored not stored refs pending

Hough2Map -- Iterative Event-based Hough Transform for High-Speed Railway Mapping

Andrei Cramariuc, Andrew William Palmer, Cornelius von Einem, David Hug, Florian Tschopp, Juan Nieto, Margarita Chli, Roland Siegwart

arxiv:2102.08145 v2 · 2021-02-16 · cs.RO · cs.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LL4NGOVZCGJISMZSC443ZWIGOO}

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	2026-07-05T02:26:55.816413Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5af8d33ab911928933321739bcd90673a43993d4d8deb71181e9ba4481b3e03b

Aliases

arxiv: 2102.08145 · arxiv_version: 2102.08145v2 · doi: 10.48550/arxiv.2102.08145 · pith_short_12: LL4NGOVZCGJI · pith_short_16: LL4NGOVZCGJISMZS · pith_short_8: LL4NGOVZ

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/LL4NGOVZCGJISMZSC443ZWIGOO \
  | 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: 5af8d33ab911928933321739bcd90673a43993d4d8deb71181e9ba4481b3e03b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4929461e364a4aeed71f224feba2a004be5de024e8d77c80a3b1d0ce00fca953",
    "cross_cats_sorted": [
      "cs.CV"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.RO",
    "submitted_at": "2021-02-16T13:36:07Z",
    "title_canon_sha256": "1687dcf30333d4cb51cafb87436aa5dd5791214c622b70ae78833e837f5a3913"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2102.08145",
    "kind": "arxiv",
    "version": 2
  }
}