Pith Number

pith:EXT24CFT

pith:2019:EXT24CFTL7BTX7OR7RDPO3ZDTP

not attested not anchored not stored refs pending

Rods and Rings: Soft Subdivision Planner for R^3 x S^2

Chee Yap, Ching-Hsiang Hsu, Yi-Jen Chiang

arxiv:1903.09416 v3 · 2019-03-22 · 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{EXT24CFTL7BTX7OR7RDPO3ZDTP}

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	2026-05-17T23:44:00.002943Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

25e7ae08b35fc33bfdd1fc46f76f239bd059e82d717dae69eae5e2c9763e4390

Aliases

arxiv: 1903.09416 · arxiv_version: 1903.09416v3 · doi: 10.48550/arxiv.1903.09416 · pith_short_12: EXT24CFTL7BT · pith_short_16: EXT24CFTL7BTX7OR · pith_short_8: EXT24CFT

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/EXT24CFTL7BTX7OR7RDPO3ZDTP \
  | 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: 25e7ae08b35fc33bfdd1fc46f76f239bd059e82d717dae69eae5e2c9763e4390

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b4cb92cd9eb8d193b5f305eb8bfa9b69ce7f371cb4f6edb268de56dde3737ab0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CG",
    "submitted_at": "2019-03-22T09:28:08Z",
    "title_canon_sha256": "69818206076341eaccae386ccc7d087d2ede661de4719cb1ed078a262765c6af"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.09416",
    "kind": "arxiv",
    "version": 3
  }
}