Pith Number

pith:7EZP2N2S

pith:2014:7EZP2N2SSC3P5UACCORNC3Z5V6

not attested not anchored not stored refs pending

A Study on Topological Integer Additive Set-Labeling of Graphs

K. A. Germina, N. K. Sudev

arxiv:1407.4533 v2 · 2014-07-17 · 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{7EZP2N2SSC3P5UACCORNC3Z5V6}

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	2026-05-18T02:21:51.770737Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f932fd375290b6fed00213a2d16f3daf8d455a9604fb76a684477c57d1b15490

Aliases

arxiv: 1407.4533 · arxiv_version: 1407.4533v2 · doi: 10.48550/arxiv.1407.4533 · pith_short_12: 7EZP2N2SSC3P · pith_short_16: 7EZP2N2SSC3P5UAC · pith_short_8: 7EZP2N2S

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/7EZP2N2SSC3P5UACCORNC3Z5V6 \
  | 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: f932fd375290b6fed00213a2d16f3daf8d455a9604fb76a684477c57d1b15490

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7223bd10d834c02d5124886ebdaac622428c7290be55a40ee13db0f59db0464f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2014-07-17T01:17:31Z",
    "title_canon_sha256": "a6b55104a6c14cb4f5c00b879c497e26294901c2ab40b2a61bb8bef6654c30ac"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1407.4533",
    "kind": "arxiv",
    "version": 2
  }
}