Pith Number

pith:UJLUIU44

pith:2014:UJLUIU445GVHSCEPXTEFN75DRF

not attested not anchored not stored refs pending

A Study on the Sparing Number of the Corona of Certain Graphs

K. A. Germina, K. P. Chithra, N. K. Sudev

arxiv:1407.5092 v2 · 2014-07-18 · math.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UJLUIU445GVHSCEPXTEFN75DRF}

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	2026-05-18T02:43:18.641411Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a25744539ce9aa79088fbcc856ffa3895e8abd88d9b7ff8c6f1192d69ce4ee99

Aliases

arxiv: 1407.5092 · arxiv_version: 1407.5092v2 · doi: 10.48550/arxiv.1407.5092 · pith_short_12: UJLUIU445GVH · pith_short_16: UJLUIU445GVHSCEP · pith_short_8: UJLUIU44

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/UJLUIU445GVHSCEPXTEFN75DRF \
  | 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: a25744539ce9aa79088fbcc856ffa3895e8abd88d9b7ff8c6f1192d69ce4ee99

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fd38b251e8e82260641da3a1029014a89f0010750f59594406557d7d55fc38ec",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2014-07-18T02:04:03Z",
    "title_canon_sha256": "f2566652d00cb9e05d8549e43e622c96e36b34271c0b1267d7a1e07275718695"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1407.5092",
    "kind": "arxiv",
    "version": 2
  }
}