Pith Number

pith:H62LFGP3

pith:2013:H62LFGP3HLP5YN5TKCT4UPZAMT

not attested not anchored not stored refs pending

Neural network spectral robustness under perturbations of the underlying graph

Anca Radulescu

arxiv:1304.5232 v2 · 2013-04-18 · q-bio.NC · cs.DM · 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{H62LFGP3HLP5YN5TKCT4UPZAMT}

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	2026-05-18T01:36:48.493307Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3fb4b299fb3adfdc37b350a7ca3f2064ed12390bdc0a4053cd035454e3261111

Aliases

arxiv: 1304.5232 · arxiv_version: 1304.5232v2 · doi: 10.48550/arxiv.1304.5232 · pith_short_12: H62LFGP3HLP5 · pith_short_16: H62LFGP3HLP5YN5T · pith_short_8: H62LFGP3

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/H62LFGP3HLP5YN5TKCT4UPZAMT \
  | 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: 3fb4b299fb3adfdc37b350a7ca3f2064ed12390bdc0a4053cd035454e3261111

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c07c9090105be65c0f6e2083c45494b270cac837c73e6a35be627a8f32382490",
    "cross_cats_sorted": [
      "cs.DM",
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.NC",
    "submitted_at": "2013-04-18T19:40:49Z",
    "title_canon_sha256": "969bcc83d65040ce94b7d4778810fe61126bd4d62d755cb69938e6f29029822d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.5232",
    "kind": "arxiv",
    "version": 2
  }
}