Pith Number

pith:IZOKGAXC

pith:2011:IZOKGAXCFQYJYA3BZ57UFA6MUF

not attested not anchored not stored refs pending

Searching Polyhedra by Rotating Half-Planes

Giovanni Viglietta

arxiv:1104.4137 v5 · 2011-04-20 · 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{IZOKGAXCFQYJYA3BZ57UFA6MUF}

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	2026-05-18T02:22:01.712637Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

465ca302e22c309c0361cf7f4283cca177ca7337d6da1e71d5092ce69ecd4024

Aliases

arxiv: 1104.4137 · arxiv_version: 1104.4137v5 · doi: 10.48550/arxiv.1104.4137 · pith_short_12: IZOKGAXCFQYJ · pith_short_16: IZOKGAXCFQYJYA3B · pith_short_8: IZOKGAXC

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/IZOKGAXCFQYJYA3BZ57UFA6MUF \
  | 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: 465ca302e22c309c0361cf7f4283cca177ca7337d6da1e71d5092ce69ecd4024

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cf17249f56b8ce1dc86d13ef3f998e782a4b764dde32bb556351c9b411812cf0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CG",
    "submitted_at": "2011-04-20T22:26:26Z",
    "title_canon_sha256": "fcf2a003cac221ddc054d9e8bbddfc460c3fb2655af80cdcb9ff2221aa9c128d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1104.4137",
    "kind": "arxiv",
    "version": 5
  }
}