Pith Number

pith:RFEJEBD6

pith:2012:RFEJEBD6KLZO25DLTL3TBYRMBS

not attested not anchored not stored refs pending

Sparsification of Motion-Planning Roadmaps by Edge Contraction

Dan Halperin, Doron Shaharabani, Oren Salzman, Pankaj K. Agarwal

arxiv:1209.4463 v1 · 2012-09-20 · cs.RO · cs.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RFEJEBD6KLZO25DLTL3TBYRMBS}

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	2026-05-18T03:45:11.635631Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

894892047e52f2ed746b9af730e22c0cba72e22108b512e9d6111ce289741235

Aliases

arxiv: 1209.4463 · arxiv_version: 1209.4463v1 · doi: 10.48550/arxiv.1209.4463 · pith_short_12: RFEJEBD6KLZO · pith_short_16: RFEJEBD6KLZO25DL · pith_short_8: RFEJEBD6

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/RFEJEBD6KLZO25DLTL3TBYRMBS \
  | 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: 894892047e52f2ed746b9af730e22c0cba72e22108b512e9d6111ce289741235

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4d6d7135e1700312d6839ebdc3df38a43e0605943da016316e923d69b2b3f065",
    "cross_cats_sorted": [
      "cs.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.RO",
    "submitted_at": "2012-09-20T09:07:47Z",
    "title_canon_sha256": "ed5b85395e075560b9eaae53b70c248bb21b14a39d9d55d2c7f4943e12a89b23"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1209.4463",
    "kind": "arxiv",
    "version": 1
  }
}