Pith Number

pith:GOO4FRZO

pith:2013:GOO4FRZO53XSSLEJSONIRSF2C7

not attested not anchored not stored refs pending

Diffuse Reflection Diameter in Simple Polygons

Andrew Winslow, Benjamin Hescott, Csaba D. T\'oth, Diane L. Souvaine, Eli Fox-Epstein, Gill Barequet, Sarah M. Cannon

arxiv:1302.2271 v2 · 2013-02-09 · 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{GOO4FRZO53XSSLEJSONIRSF2C7}

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	2026-05-18T02:17:22.401549Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

339dc2c72eeeef292c89939a88c8ba17de1a9164274b81e22fe98e6f1efb5fdc

Aliases

arxiv: 1302.2271 · arxiv_version: 1302.2271v2 · doi: 10.48550/arxiv.1302.2271 · pith_short_12: GOO4FRZO53XS · pith_short_16: GOO4FRZO53XSSLEJ · pith_short_8: GOO4FRZO

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/GOO4FRZO53XSSLEJSONIRSF2C7 \
  | 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: 339dc2c72eeeef292c89939a88c8ba17de1a9164274b81e22fe98e6f1efb5fdc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c9fb0e2ea250b0fff97240d557c19afb58e640645e8d36988136889d2739356f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CG",
    "submitted_at": "2013-02-09T21:13:22Z",
    "title_canon_sha256": "d1d191155aff75c2dee66a5e16e9a11168f6aa4ff2d328bf09c972ff7522501a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1302.2271",
    "kind": "arxiv",
    "version": 2
  }
}