Pith Number

pith:2FK6UD6N

pith:2014:2FK6UD6NJ2SJBDXTLR33XWBHOH

not attested not anchored not stored refs pending

Plank theorems via successive inradii

Karoly Bezdek

arxiv:1402.0538 v1 · 2014-02-03 · 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{2FK6UD6NJ2SJBDXTLR33XWBHOH}

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	2026-05-18T02:43:02.406911Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d155ea0fcd4ea4908ef35c77bbd82771f658ca26b7998dc567708afe2ec81a31

Aliases

arxiv: 1402.0538 · arxiv_version: 1402.0538v1 · doi: 10.48550/arxiv.1402.0538 · pith_short_12: 2FK6UD6NJ2SJ · pith_short_16: 2FK6UD6NJ2SJBDXT · pith_short_8: 2FK6UD6N

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/2FK6UD6NJ2SJBDXTLR33XWBHOH \
  | 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: d155ea0fcd4ea4908ef35c77bbd82771f658ca26b7998dc567708afe2ec81a31

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "40f72f0fef2603d05be2fe350051aaade7dad9e9c23806f8a50144e0f23dbd78",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.MG",
    "submitted_at": "2014-02-03T22:44:15Z",
    "title_canon_sha256": "14614aa4157a270eeae4bbc3277dd22e5e4599a804d9912375283137363090b0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1402.0538",
    "kind": "arxiv",
    "version": 1
  }
}