Pith Number

pith:7TXIHIW4

pith:2017:7TXIHIW47AK2B2NE75DO5LECKF

not attested not anchored not stored refs pending

Spectral Bounds for the Connectivity of Regular Graphs with Given Order

Aida Abiad, Boris Brimkov, Jingmei Zhang, O Suil, Xavier Martinez-Rivera

arxiv:1703.02748 v2 · 2017-03-08 · 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{7TXIHIW47AK2B2NE75DO5LECKF}

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	2026-05-18T00:10:24.527688Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fcee83a2dcf815a0e9a4ff46eeac82517b71737665e72d323f3c5b99a24e032c

Aliases

arxiv: 1703.02748 · arxiv_version: 1703.02748v2 · doi: 10.48550/arxiv.1703.02748 · pith_short_12: 7TXIHIW47AK2 · pith_short_16: 7TXIHIW47AK2B2NE · pith_short_8: 7TXIHIW4

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/7TXIHIW47AK2B2NE75DO5LECKF \
  | 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: fcee83a2dcf815a0e9a4ff46eeac82517b71737665e72d323f3c5b99a24e032c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "73ef5a7ec5f8e33aaf500867e9105e08e5194fd68763a2ae093d8bcc9770ef9b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2017-03-08T08:39:53Z",
    "title_canon_sha256": "1f55d9267d75dda81fe28eb16374180e445a0024833d6b797f45c49756bfa5e2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.02748",
    "kind": "arxiv",
    "version": 2
  }
}