Pith Number

pith:MQCIQAXF

pith:2018:MQCIQAXFJBAPP7P33KJ3B6VFPV

not attested not anchored not stored refs pending

The Algebraic Connectivity of a Graph and its Complement

B. Afshari, B. Mohar, M.J. Moghaddamzadeh, S. Akbari

arxiv:1806.06770 v1 · 2018-06-18 · 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{MQCIQAXFJBAPP7P33KJ3B6VFPV}

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	2026-05-18T00:12:59.139047Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

64048802e54840f7fdfbda93b0faa57d452f1372d7eb6fd7de2c9af7096a78af

Aliases

arxiv: 1806.06770 · arxiv_version: 1806.06770v1 · doi: 10.48550/arxiv.1806.06770 · pith_short_12: MQCIQAXFJBAP · pith_short_16: MQCIQAXFJBAPP7P3 · pith_short_8: MQCIQAXF

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/MQCIQAXFJBAPP7P33KJ3B6VFPV \
  | 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: 64048802e54840f7fdfbda93b0faa57d452f1372d7eb6fd7de2c9af7096a78af

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "893d5c1ce14453ccc6b9b3c9e7876ab0f954fc64487c1513e8664da448de8f4b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2018-06-18T15:27:18Z",
    "title_canon_sha256": "db7232b3eddc571cdb530fd777c87eba814aaa525597ff917824da20468f1a88"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.06770",
    "kind": "arxiv",
    "version": 1
  }
}