Pith Number

pith:FO7GBFUM

pith:2025:FO7GBFUMUULPL56Z2JHE573NVX

not attested not anchored not stored refs pending

Efficient Computation of the Directional Extremal Boundary of a Union of Equal-Radius Circles

Alexander Gribov

arxiv:2503.21711 v1 · 2025-03-27 · cs.CG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FO7GBFUMUULPL56Z2JHE573NVX}

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.

Cited by

1 paper in Pith

Rail Track Extraction from Rasterized Classified Point Clouds Using a Full-Resolution, Fully Convolutional Recurrent Neural Network

Receipt and verification

First computed	2026-07-05T10:40:29.283636Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2bbe60968ca516f5f7d9d24e4eff6daddfb46fb43231b5d78053ee041b851733

Aliases

arxiv: 2503.21711 · arxiv_version: 2503.21711v1 · doi: 10.48550/arxiv.2503.21711 · pith_short_12: FO7GBFUMUULP · pith_short_16: FO7GBFUMUULPL56Z · pith_short_8: FO7GBFUM

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/FO7GBFUMUULPL56Z2JHE573NVX \
  | 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: 2bbe60968ca516f5f7d9d24e4eff6daddfb46fb43231b5d78053ee041b851733

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d5eff7b79a9165154dc295bbb530100c5eb05312abf884befa2dbcd99b534d81",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CG",
    "submitted_at": "2025-03-27T17:22:14Z",
    "title_canon_sha256": "84e2fe62d61ea5fc0de226bedcac5c171b815242e674947f6dabe3e36c471fe4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2503.21711",
    "kind": "arxiv",
    "version": 1
  }
}