Pith Number

pith:HTM7TSFL

pith:2014:HTM7TSFLPEERUWJKNQTDHKWR2I

not attested not anchored not stored refs pending

The Signless Laplacian Estrada Index of Unicyclic Graphs

Ahmad Gholami, Gholam Hossein Fath-Tabar, Hamid Reza Ellahi, Ramin Nasiri

arxiv:1412.2275 v1 · 2014-12-06 · 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{HTM7TSFLPEERUWJKNQTDHKWR2I}

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	2026-05-18T00:38:36.781933Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3cd9f9c8ab79091a592a6c2633aad1d2322ab8eb85f773a220a9f8ba3b3ead24

Aliases

arxiv: 1412.2275 · arxiv_version: 1412.2275v1 · doi: 10.48550/arxiv.1412.2275 · pith_short_12: HTM7TSFLPEER · pith_short_16: HTM7TSFLPEERUWJK · pith_short_8: HTM7TSFL

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/HTM7TSFLPEERUWJKNQTDHKWR2I \
  | 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: 3cd9f9c8ab79091a592a6c2633aad1d2322ab8eb85f773a220a9f8ba3b3ead24

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d99d4d99a2aa17a782e3fcc9d61023ee42be45432c5e92165f503baf385f708c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2014-12-06T20:23:52Z",
    "title_canon_sha256": "da042891725d76f8d58159959b17764707bfa98bd0c8090fe3b3ac5693ec9db3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1412.2275",
    "kind": "arxiv",
    "version": 1
  }
}