Pith Number

pith:KHEKWTNY

pith:2017:KHEKWTNYNEJUJZXR5RTCQSERWB

not attested not anchored not stored refs pending

On the multiplicity of Laplacian eigenvalues and Fiedler partitions

Armando Bazzani, Daniel Remondini, Eleonora Andreotti, Graziano Servizi

arxiv:1707.04204 v2 · 2017-07-13 · math.NA

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KHEKWTNYNEJUJZXR5RTCQSERWB}

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	2026-05-18T00:26:36.751408Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

51c8ab4db8691344e6f1ec66284891b07903d8fb630533053389c46de49a9823

Aliases

arxiv: 1707.04204 · arxiv_version: 1707.04204v2 · doi: 10.48550/arxiv.1707.04204 · pith_short_12: KHEKWTNYNEJU · pith_short_16: KHEKWTNYNEJUJZXR · pith_short_8: KHEKWTNY

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/KHEKWTNYNEJUJZXR5RTCQSERWB \
  | 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: 51c8ab4db8691344e6f1ec66284891b07903d8fb630533053389c46de49a9823

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ec507e66705c4841e84e264b66be7bfbeb0e36161c674ae921b3c06532b2e5ac",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2017-07-13T16:26:39Z",
    "title_canon_sha256": "8a44fd46c7dd169acd091c112896f2bd024679419c05c5ecc422a1ca2b23af42"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1707.04204",
    "kind": "arxiv",
    "version": 2
  }
}