Pith Number

pith:FCCT4KQI

pith:2014:FCCT4KQIBMUMG6L7JCLHJJCHZ4

not attested not anchored not stored refs pending

On the icosahedron inequality of L\'aszl\'o Fejes-T\'oth

\'Akos G.Horv\'ath

arxiv:1411.5819 v1 · 2014-11-21 · 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{FCCT4KQIBMUMG6L7JCLHJJCHZ4}

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	2026-05-18T02:33:02.140468Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

28853e2a080b28c3797f489674a447cf107592d3499f2b885771b3f562479c0d

Aliases

arxiv: 1411.5819 · arxiv_version: 1411.5819v1 · doi: 10.48550/arxiv.1411.5819 · pith_short_12: FCCT4KQIBMUM · pith_short_16: FCCT4KQIBMUMG6L7 · pith_short_8: FCCT4KQI

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/FCCT4KQIBMUMG6L7JCLHJJCHZ4 \
  | 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: 28853e2a080b28c3797f489674a447cf107592d3499f2b885771b3f562479c0d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7ac4f46a448d33e401bfcf78046a3b4c86cb8c55ec414a2e1401ea5ca702990f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.MG",
    "submitted_at": "2014-11-21T10:40:49Z",
    "title_canon_sha256": "9f695ba1e31ba2a7db11ff644f0eadbf584f8b35c21c7b11e22c5b26d094859d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1411.5819",
    "kind": "arxiv",
    "version": 1
  }
}