Pith Number

pith:LPCMNR4F

pith:2014:LPCMNR4FCS4QEVKJPD7RMCEUUF

not attested not anchored not stored refs pending

Bounds for the positive or negative inertia index of a graph

Long Wang, Yi-Zheng Fan

arxiv:1409.5328 v1 · 2014-09-18 · 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{LPCMNR4FCS4QEVKJPD7RMCEUUF}

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	2026-05-18T00:35:55.919647Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5bc4c6c78514b902554978ff160894a169928d4cdbcfa7925d3a339a4bbfa5a2

Aliases

arxiv: 1409.5328 · arxiv_version: 1409.5328v1 · doi: 10.48550/arxiv.1409.5328 · pith_short_12: LPCMNR4FCS4Q · pith_short_16: LPCMNR4FCS4QEVKJ · pith_short_8: LPCMNR4F

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/LPCMNR4FCS4QEVKJPD7RMCEUUF \
  | 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: 5bc4c6c78514b902554978ff160894a169928d4cdbcfa7925d3a339a4bbfa5a2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3fd7cc629aba44d8a95b623a1b0185ab74b58bcdb16835701e31935be6adf66a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2014-09-18T15:08:11Z",
    "title_canon_sha256": "0cc84dca811b7ac5167711edc7563b5b4bd9328931f3fbe2cd853ab6a2358ffc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1409.5328",
    "kind": "arxiv",
    "version": 1
  }
}