Pith Number

pith:YNVPWPSD

pith:2013:YNVPWPSD75U3WG4R7RR76HDUSU

not attested not anchored not stored refs pending

On the Randi\'{c} index and conditional parameters of a graph

J. A. Rodr\'iguez, J. M. Sigarreta

arxiv:1311.7316 v1 · 2013-11-28 · 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{YNVPWPSD75U3WG4R7RR76HDUSU}

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	2026-05-18T03:05:56.614222Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c36afb3e43ff69bb1b91fc63ff1c749531cfdaf2b0942f309fb83aacaf7919d2

Aliases

arxiv: 1311.7316 · arxiv_version: 1311.7316v1 · doi: 10.48550/arxiv.1311.7316 · pith_short_12: YNVPWPSD75U3 · pith_short_16: YNVPWPSD75U3WG4R · pith_short_8: YNVPWPSD

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/YNVPWPSD75U3WG4R7RR76HDUSU \
  | 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: c36afb3e43ff69bb1b91fc63ff1c749531cfdaf2b0942f309fb83aacaf7919d2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8891e5d6c481e85add8986a26a827e22e162859dba338ca222d9107fe60246ad",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2013-11-28T13:44:02Z",
    "title_canon_sha256": "40b9f8f132d1d7c715b958fec8b3efcd1829ef01631209cd96fb9473bd211712"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1311.7316",
    "kind": "arxiv",
    "version": 1
  }
}