Pith Number

pith:4KUK6FHO

pith:2014:4KUK6FHOLIR52L6T5UVRPFI6MC

not attested not anchored not stored refs pending

The signless Laplacian Estrada index of tricyclic graphs

Ahmad Gholami, Gholam Hossein Fath-Tabar, Hamid Reza Ellahi, Ramin Nasiri, Tomislav Do\v{s}li\'c

arxiv:1412.2280 v2 · 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{4KUK6FHOLIR52L6T5UVRPFI6MC}

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	2026-05-18T00:35:05.805933Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e2a8af14ee5a23dd2fd3ed2b17951e60b4b1935418a3b756dfa1e9930c549b31

Aliases

arxiv: 1412.2280 · arxiv_version: 1412.2280v2 · doi: 10.48550/arxiv.1412.2280 · pith_short_12: 4KUK6FHOLIR5 · pith_short_16: 4KUK6FHOLIR52L6T · pith_short_8: 4KUK6FHO

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/4KUK6FHOLIR52L6T5UVRPFI6MC \
  | 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: e2a8af14ee5a23dd2fd3ed2b17951e60b4b1935418a3b756dfa1e9930c549b31

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2c24ce5165b91e2e727b52aa231fd554f9c7702af826e20df4d1a3e9780f5c3a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2014-12-06T20:51:59Z",
    "title_canon_sha256": "74fc1df519898cb6711ae13205a526b4ac30dc1c02cce095732f3ff8a766397d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1412.2280",
    "kind": "arxiv",
    "version": 2
  }
}