Pith Number

pith:VH3DAJEL

pith:2017:VH3DAJELCRLRKA6LAIS7FNRFK4

not attested not anchored not stored refs pending

Dynamical systems on graphs through the signless Laplacian matrix

Barbara Giunti, Vincenzo Perri

arxiv:1703.04581 v1 · 2017-03-10 · math.CO · physics.comp-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VH3DAJELCRLRKA6LAIS7FNRFK4}

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	2026-05-18T00:45:25.613773Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a9f630248b14571503cb0225f2b625571d67ffb85bf6f8a8168f38d73a152c85

Aliases

arxiv: 1703.04581 · arxiv_version: 1703.04581v1 · doi: 10.48550/arxiv.1703.04581 · pith_short_12: VH3DAJELCRLR · pith_short_16: VH3DAJELCRLRKA6L · pith_short_8: VH3DAJEL

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/VH3DAJELCRLRKA6LAIS7FNRFK4 \
  | 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: a9f630248b14571503cb0225f2b625571d67ffb85bf6f8a8168f38d73a152c85

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3d98ea221f4b485b42e4e8f91d51602c2846e7dd07c75270d8a61447317d7d8a",
    "cross_cats_sorted": [
      "physics.comp-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2017-03-10T13:00:05Z",
    "title_canon_sha256": "bc99077d52fe32a3c6ce3acd9212ab3953fc2e3a49ca13b6a84a85b26a572232"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.04581",
    "kind": "arxiv",
    "version": 1
  }
}