Pith Number

pith:KNKP5M4Z

pith:2009:KNKP5M4ZQSMLOMR24HGPO7XQ7X

not attested not anchored not stored refs pending

Containment and inscribed simplices

Daniel A. Klain

arxiv:0905.3514 v2 · 2009-05-21 · math.MG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KNKP5M4ZQSMLOMR24HGPO7XQ7X}

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	2026-05-18T04:38:58.336656Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5354feb3998498b7323ae1ccf77ef0fdee85b6bb2993e72fc2de8e24b4c0a323

Aliases

arxiv: 0905.3514 · arxiv_version: 0905.3514v2 · doi: 10.48550/arxiv.0905.3514 · pith_short_12: KNKP5M4ZQSML · pith_short_16: KNKP5M4ZQSMLOMR2 · pith_short_8: KNKP5M4Z

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/KNKP5M4ZQSMLOMR24HGPO7XQ7X \
  | 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: 5354feb3998498b7323ae1ccf77ef0fdee85b6bb2993e72fc2de8e24b4c0a323

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bbc7758665dff3ff9bce0e9c3f848603e036d25304cdd84042e46c7ff7db7900",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.MG",
    "submitted_at": "2009-05-21T15:59:47Z",
    "title_canon_sha256": "fcf0e61764a694166e8445cbf0d648e43762689b414c33c8ba5937b0e88fc8d2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0905.3514",
    "kind": "arxiv",
    "version": 2
  }
}