Pith Number

pith:CKRUK4WF

pith:2014:CKRUK4WFQYU5BRB3Z3QFLY7ETA

not attested not anchored not stored refs pending

Diffuse Reflection Radius in a Simple Polygon

Andrew Winslow, Csaba T\'oth, Eli Fox-Epstein

arxiv:1402.5303 v3 · 2014-02-21 · 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{CKRUK4WFQYU5BRB3Z3QFLY7ETA}

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	2026-05-18T02:07:32.082073Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

12a34572c58629d0c43bcee055e3e498285aadcf4ca84a874685e7f61e2dd4ff

Aliases

arxiv: 1402.5303 · arxiv_version: 1402.5303v3 · doi: 10.48550/arxiv.1402.5303 · pith_short_12: CKRUK4WFQYU5 · pith_short_16: CKRUK4WFQYU5BRB3 · pith_short_8: CKRUK4WF

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/CKRUK4WFQYU5BRB3Z3QFLY7ETA \
  | 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: 12a34572c58629d0c43bcee055e3e498285aadcf4ca84a874685e7f61e2dd4ff

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b390323c461ab648df98dd3395c60e16fa6e7b040fd9f2244e04a1050a116788",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CG",
    "submitted_at": "2014-02-21T14:33:25Z",
    "title_canon_sha256": "1a40ae2e985574f2c9177569b31269a68f53033d023d25dd788d2c85c4a47a0b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1402.5303",
    "kind": "arxiv",
    "version": 3
  }
}