Pith Number

pith:UVI3NZ6J

pith:2019:UVI3NZ6JNB4EK425TNSEFORB6I

not attested not anchored not stored refs pending

Subcubic Equivalences Between Graph Centrality Measures and Complementary Problems

Mahdi Boroujeni, MohammadTaghi Hajiaghayi, Saeed Seddighin, Sina Dehghani, Soheil Ehsani

arxiv:1905.08127 v1 · 2019-05-20 · cs.CC · cs.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UVI3NZ6JNB4EK425TNSEFORB6I}

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	2026-05-17T23:45:47.496959Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a551b6e7c9687845735d9b6442ba21f221739b25f12ec5499f4480a2cd6c9d74

Aliases

arxiv: 1905.08127 · arxiv_version: 1905.08127v1 · doi: 10.48550/arxiv.1905.08127 · pith_short_12: UVI3NZ6JNB4E · pith_short_16: UVI3NZ6JNB4EK425 · pith_short_8: UVI3NZ6J

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/UVI3NZ6JNB4EK425TNSEFORB6I \
  | 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: a551b6e7c9687845735d9b6442ba21f221739b25f12ec5499f4480a2cd6c9d74

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d001ef3189e7e2ac48d53f690961175da3523fe8ce71c5be5c1c133e959f91e3",
    "cross_cats_sorted": [
      "cs.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CC",
    "submitted_at": "2019-05-20T14:08:12Z",
    "title_canon_sha256": "c794446f3e943396ede412cf47930765145639e7d632aa19b69b48ede21fe5cb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.08127",
    "kind": "arxiv",
    "version": 1
  }
}