Pith Number

pith:NNFT7OJJ

pith:2013:NNFT7OJJTJWLM57JCGC46M6JVQ

not attested not anchored not stored refs pending

A Faster Algorithm for Computing Motorcycle Graphs

Antoine Vigneron, Lie Yan

arxiv:1303.5958 v1 · 2013-03-24 · 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{NNFT7OJJTJWLM57JCGC46M6JVQ}

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	2026-05-18T03:29:52.386080Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6b4b3fb9299a6cb677e91185cf33c9ac1326ae4916ecdd0088bc05211a7aa308

Aliases

arxiv: 1303.5958 · arxiv_version: 1303.5958v1 · doi: 10.48550/arxiv.1303.5958 · pith_short_12: NNFT7OJJTJWL · pith_short_16: NNFT7OJJTJWLM57J · pith_short_8: NNFT7OJJ

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/NNFT7OJJTJWLM57JCGC46M6JVQ \
  | 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: 6b4b3fb9299a6cb677e91185cf33c9ac1326ae4916ecdd0088bc05211a7aa308

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ffc025087c6a66ba9eab090935c9116ea7e23be21012cfe3970e539f9cc636c3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CG",
    "submitted_at": "2013-03-24T15:12:27Z",
    "title_canon_sha256": "2be4b0aaebac2a3ae4c2733f2d3fcc4207be14c227f33f4eb9ba13fc75628d8d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1303.5958",
    "kind": "arxiv",
    "version": 1
  }
}