Pith Number

pith:H5ASHID7

pith:2020:H5ASHID7EHNFVAIK2A45537CEF

not attested not anchored not stored refs pending

Complexity of the Multilevel Critical Node Problem

Adel Nabli, Margarida Carvalho, Pierre Hosteins

arxiv:2007.02370 v2 · 2020-07-05 · cs.CC · cs.DM · cs.GT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{H5ASHID7EHNFVAIK2A45537CEF}

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	2026-07-05T01:39:44.310912Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3f4123a07f21da5a810ad039deefe2215f78300055b8ee0cc7c4ab0167a42c1f

Aliases

arxiv: 2007.02370 · arxiv_version: 2007.02370v2 · doi: 10.48550/arxiv.2007.02370 · pith_short_12: H5ASHID7EHNF · pith_short_16: H5ASHID7EHNFVAIK · pith_short_8: H5ASHID7

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/H5ASHID7EHNFVAIK2A45537CEF \
  | 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: 3f4123a07f21da5a810ad039deefe2215f78300055b8ee0cc7c4ab0167a42c1f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2f87bf1fa837bf8bd18da2df91bbfd6b7af1aab6dba9e5aeeaa627f6f2313aa9",
    "cross_cats_sorted": [
      "cs.DM",
      "cs.GT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CC",
    "submitted_at": "2020-07-05T15:54:53Z",
    "title_canon_sha256": "836cb7b3902b7a56bad3f625d0289e473fd61fd4a47a0c0f36cefe4a642f4053"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2007.02370",
    "kind": "arxiv",
    "version": 2
  }
}